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DRB 3 PHASE SERIES

The DRB3 Phase Series of power supplies
CE mark UKCA mark IECEE CB Scheme UL listed UL recognition mark China RoHS 10 years Products available in EPLAN data portal

The DIN-Rail power supplies in the DRB series are part of TDK-Lambda's industrial heritage. They can be used in many applications, ranging from conventional switch cabinets and decentralised machinery and systems, to renewable energy and charging solutions. The series covers the popular output voltages of 12, 24, 48 and 72 volts, and users can operate them, both with AC or DC voltage.

The DRB's high operating efficiencies, the use of high-quality electrolytic capacitors and the integration of a gas discharge tube provide maximum system up-time. Special models featuring conformal coating are available for use in challenging environments containing corrosive gases. Overall the DRB 3 phase series offer an excellent balance between functionality and price.

Circuit breaker nuisance tripping? Don't worry!

A very short inrush current AC combined with very low switch-on energy prevents nuisance tripping of circuit breakers. This reduces disturbances during commissioning and system restarts.

Powerful with capacitive loads

Starting into a capacitive load poses a challenge for many power supplies. Thanks to comprehensive boost power capability of 150 percent for several seconds, these applications get reliably started.

Distributing load current, enhancing reliability

DRB models of the same voltage and current can be connected in parallel to provide higher power. Activating the parallel mode will distribute the load current between the power supplies. This reduces thermal stress and increases the longevity in the field.

Equipped for tough conditions

Special models with coated circuit boards are suitable for use in polluted environments containing corrosive gases, dust or salt mist. This makes them a reliable and long-lasting source of power.

FEATURES AND BENEFITS

  • Operation with AC or DC voltage for a wide range of applications
  • Parallel mode switch to activate load balancing behaviour
  • Integrated GDT for ultimate process stability
  • Very low inrush energy peak (I2t) saves cost for input line protection
  • Screw or push-in terminals available to serve individual application needs
  • High efficiency contributes to an eco-friendly energy footprint
  • DC-OK and inhibit relay contacts for professional integration into applications control architecture
  • Comprehensive boost power capabilities support start-up into heavy loads
  • Exceeds regulatory EMC standards on radiated emission (Class B), surge immunity and fast transients

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All products are available as -A0 (screw terminal) and -A1 (push-in terminal) versions.

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TECHNICAL DATA

DRB120-12-3-XX DRB120-24-3-XX DRB240-24-3-XX DRB240-48-3-XX
Output voltage nom. 12VDC 24VDC 24VDC 48VDC
Adjustment range nom. 11.4.. 15VDC 22.5.. 29VDC 22.5.. 29VDC 45.. 56VDC
Output current nom. 10A 5A 10A 5A
Boost current 1 max. 12A / continous 6A / continuous 12A / 300s 6A / 300s
Boost current 2 max. 14.5A / 600s 7.5A / 600s 15A / 60s 7.5A / 60s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 25 / 30A <2ms 25 / 30A <3ms
Inrush energy AC 1 max. 0.3 / 0.6A2s 0.3 / 0.8A2s
Inrush current DC 2 max. 38 / 41 / 53A <2ms 39 / 47 / 60A <3ms
Inrush energy DC 2 max. 0.7 / 0.8 / 1.3A2s 1.1 / 1.5 / 2.3A2s
Output power nom. 120W 240W
Boost power 1 max. 144W / continuous 288W / 300s
Boost power 2 max. 174W / 600s 360W / 60s
Power factor typ. 0.50 0.60
Conversion efficiency AC 1 min. 89.4 / 89.1% 91.3 / 91.2% 93.1 / 93.2% 93.8 / 94%
Power losses AC 1 max. 14.2 / 14.7W 11.4 / 11.6W 17.8 / 17.5W 15.9 / 15.3W
No-load consumption AC 1 max. 1.7 / 2.1W 1.7 / 2.1W 1.6 / 2.0W 1.9 / 2.3W
Conversion efficiency DC 2 typ. 92.1 / 92.0 / 90.9% 92.4 / 92.2 / 91.4% 94.7 / 94.8 / 94.5% 95.1 / 95.1 / 94.9%
Power losses DC 2 typ. 10.3 / 10.4 / 12.0W 9.9 / 10.2 / 11.3W 13.4 / 13.2 / 14.0W 12.4 / 12.4 / 12.9W
No-load consumption DC 2 max. 1.8 / 2.2 / 2.8W 1.8 / 2.2 / 2.6W 2.0 / 2.3 / 3.0W 1.9 / 2.3 / 3.0W
Service lifetime 1 min. 162,000 / 142,000hrs 184,000 / 162,000hrs 82,000 / 78,000hrs 94,000 / 90,000hrs
Service / Early life MTBF 3 min. 1.8M / 0.79M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 2.0W/°Camb
(1.11W/°Famb)		 0.8W/°Camb
(0.44W/°Famb)		 2.4W/°Camb
(1.33W/°Famb)		 2.6W/°Camb
(1.44W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 55 x 129 x 138.2mm
(2 11/64 x 5 5/64 x 5 7/16 inch)
Weight 660g (1.46lb) 780g (1.72lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB120-12-3-XX
Output voltage nom. 12VDC
Adjustment range nom. 11.4.. 15VDC
Output current nom. 10A
Boost current 1 max. 12A / continuous
Boost current 2 max. 14.5A / 600s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 25 / 30A <2ms
Inrush energy AC 1 max. 0.3 / 0.6A2s
Inrush current DC 2 max. 38 / 41 / 53A <2ms
Inrush energy DC 2 max. 0.7 / 0.8 / 1.3A2s
Output power nom. 120W
Boost power 1 max. 144W / continuous
Boost power 2 max. 174W / 600s
Power factor typ. 0.50
Conversion efficiency AC 1 min. 89.4 / 89.1%
Power losses AC 1 max. 14.2 / 14.7W
No-load consumption AC 1 max. 1.7 / 2.1W
Conversion efficiency DC 2 typ. 92.1 / 92.0 / 90.9%
Power losses DC 2 typ. 10.3 / 10.4 / 12.0W
No-load consumption DC 2 max. 1.8 / 2.2 / 2.8W
Service lifetime 1 min. 162,000 / 142,000hrs
Service / Early life MTBF 3 min. 1.8M / 0.79M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 2.0W/°Camb
(1.11W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 55 x 129 x 138.2mm
(2 11/64 x 5 5/64 x 5 7/16 inch)
Weight 660g (1.46lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.2)
DRB120-24-3-XX
Output voltage nom. 24VDC
Adjustment range nom. 22.5.. 29VDC
Output current nom. 5A
Boost current 1 max. 6A / continuous
Boost current 2 max. 7.5A / 600s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 25 / 30A <2ms
Inrush energy AC 1 max. 0.3 / 0.6A2s
Inrush current DC 2 max. 38 / 41 / 53A <2ms
Inrush energy DC 2 max. 0.7 / 0.8 / 1.3A2s
Output power nom. 120W
Boost power 1 max. 144W / continuous
Boost power 2 max. 174W / 600s
Power factor typ. 0.50
Conversion efficiency AC 1 min. 91.3 / 91.2%
Power losses AC 1 max. 11.4 / 11.6W
No-load consumption AC 1 max. 1.7 / 2.1W
Conversion efficiency DC 2 typ. 92.4 / 92.2 / 91.4%
Power losses DC 2 typ. 9.9 / 10.2 / 11.3W
No-load consumption DC 2 max. 1.8 / 2.2 / 2.6W
Service lifetime 1 min. 184,000 / 162,000hrs
Service / Early life MTBF 3 min. 1.8M / 0.79M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 0.8W/°Camb
(0.44W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 55 x 129 x 138.2mm
(2 11/64 x 5 5/64 x 5 7/16 inch)
Weight 660g (1.46lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB240-24-3-XX
Output voltage nom. 24VDC
Adjustment range nom. 22.5.. 29VDC
Output current nom. 10A
Boost current 1 max. 12A / 300s
Boost current 2 max. 15A / 60s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 25 / 30A <3ms
Inrush energy AC 1 max. 0.3 / 0.8A2s
Inrush current DC 2 max. 39 / 47 / 60A <3ms
Inrush energy DC 2 max. 1.1 / 1.5 / 2.3A2s
Output power nom. 240W
Boost power 1 max. 288W / 300s
Boost power 2 max. 360W / 60s
Power factor typ. 0.60
Conversion efficiency AC 1 min. 93.1 / 93.2%
Power losses AC 1 max. 17.8 / 17.5W
No-load consumption AC 1 max. 1.6 / 2.0W
Conversion efficiency DC 2 typ. 94.7 / 94.8 / 94.5%
Power losses DC 2 typ. 13.4 / 13.2 / 14.0W
No-load consumption DC 2 max. 2.0 / 2.3 / 3.0W
Service lifetime 1 min. 82,000 / 78,000hrs
Service / Early life MTBF 3 min. 1.8M / 0.79M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 2.4W/°Camb
(1.33W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 55 x 129 x 138.2mm
(2 11/64 x 5 5/64 x 5 7/16 inch)
Weight 780g (1.72lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB240-48-3-XX
Output voltage nom. 48VDC
Adjustment range nom. 45.. 56VDC
Output current nom. 5A
Boost current 1 max. 6A / 300s
Boost current 2 max. 7.5A / 60s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 25 / 30A <3ms
Inrush energy AC 1 max. 0.3 / 0.8A2s
Inrush current DC 2 max. 39 / 47 / 60A <3ms
Inrush energy DC 2 max. 1.1 / 1.5 / 2.3A2s
Output power nom. 240W
Boost power 1 max. 288W / 300s
Boost power 2 max. 360W / 60s
Power factor typ. 0.60
Conversion efficiency AC 1 min. 93.8 / 94%
Power losses AC 1 max. 15.9 / 15.3W
No-load consumption AC 1 max. 1.9 / 2.3W
Conversion efficiency DC 2 typ. 95.1 / 95.1 / 94.9%
Power losses DC 2 typ. 12.4 / 12.4 / 12.9W
No-load consumption DC 2 max. 1.9 / 2.3 / 3.0W
Service lifetime 1 min. 94,000 / 90,000hrs
Service / Early life MTBF 3 min. 1.8M / 0.79M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 2.6W/°Camb
(1.44W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 55 x 129 x 138.2mm
(2 11/64 x 5 5/64 x 5 7/16 inch)
Weight 780g (1.72lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB480-24-3-XX DRB480-48-3-XX DRB480-72-3-XX
Output voltage nom. 24VDC 48VDC 72VDC
Adjustment range nom. 22.5.. 29VDC 45.. 56VDC 70.. 85VDC
Output current nom. 20A 10A 6.7A
Boost current max. 30A / 7s 15A / 7s 10A / 7s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 12A <2ms
Inrush energy AC 1 max. 0.1A2s
Inrush current DC 2 max. 12A <2ms
Inrush energy DC 2 max. 0.1A2s
Output power nom. 480W
Boost power max. 720W / 7s
Power factor typ. 0.92
Conversion efficiency AC 1 min. 95.1 / 94.9% 95.3 / 95.1% 95.7 / 95.6%
Power losses AC 1 max. 24.7 / 25.8W 23.7 / 24.7W 21.6 / 22.1W
No-load consumption AC 1 max. 3.0 / 3.2W 3.0 / 3.3W 3.0 / 3.3W
Conversion efficiency DC 2 typ. 95.7 / 95.5 / 95.3% 95.9 / 95.8 / 95.6% 95.7 / 95.5 / 95.3%
Power losses DC 2 typ. 21.6 / 22.6 / 23.7W 20.5 / 21.0 / 22.1W 21.6 / 22.6 / 23.7W
No-load consumption DC 2 max. 3.1 / 3.3 / 3.8W 3.0 / 3.3 / 3.9W 3.1 / 3.4 / 4.0W
Service lifetime 1 min. 148,000 / 124,000hrs 157,000 / 119,000hrs 137,000 / 123,000hrs
Service / Early life MTBF 3 min. 0.86M / 0.48M hrs 0.86M / 0.45M hrs 0.86M / 0.45M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 12W/°Camb
(6.67W/°Famb)		 9.6W/°Camb
(5.33W/°Famb)		 8.0W/°Camb
(4.44W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 65 x 129 x 159.3mm
(2 9/16 x 5 5/64 x 6 17/64 inch)
Weight 1050g (2.31lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB480-24-3-XX
Output voltage nom. 24VDC
Adjustment range nom. 22.5.. 29VDC
Output current nom. 20A
Boost current max. 30A / 7s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 12A <2ms
Inrush energy AC 1 max. 0.1A2s
Inrush current DC 2 max. 12A <2ms
Inrush energy DC 2 max. 0.1A2s
Output power nom. 480W
Boost power max. 720W / 7s
Power factor typ. 0.92
Conversion efficiency AC 1 min. 95.1 / 94.9%
Power losses AC 1 max. 24.7 / 25.8W
No-load consumption AC 1 max. 3.0 / 3.2W
Conversion efficiency DC 2 typ. 95.7 / 95.5 / 95.3%
Power losses DC 2 typ. 21.6 / 22.6 / 23.7W
No-load consumption DC 2 max. 3.1 / 3.3 / 3.8W
Service lifetime 1 min. 148,000 / 124,000hrs
Service / Early life MTBF 3 min. 0.86M / 0.48M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 12W/°Camb
(6.67W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 65 x 129 x 159.3mm
(2 9/16 x 5 5/64 x 6 17/64 inch)
Weight 1050g (2.31lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB480-48-3-XX
Output voltage nom. 48VDC
Adjustment range nom. 45.. 56VDC
Output current nom. 10A
Boost current max. 15A / 7s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 12A <2ms
Inrush energy AC 1 max. 0.1A2s
Inrush current DC 2 max. 12A <2ms
Inrush energy DC 2 max. 0.1A2s
Output power nom. 480W
Boost power max. 720W / 7s
Power factor typ. 0.92
Conversion efficiency AC 1 min. 95.3 / 95.1%
Power losses AC 1 max. 23.7 / 24.7W
No-load consumption AC 1 max. 3.0 / 3.3W
Conversion efficiency DC 2 typ. 95.9 / 95.8 / 95.6%
Power losses DC 2 typ. 20.5 / 21.0 / 22.1W
No-load consumption DC 2 max. 3.0 / 3.3 / 3.9W
Service lifetime 1 min. 157,000 / 119,000hrs
Service / Early life MTBF 3 min. 0.86M / 0.45M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 9.6W/°Camb
(5.33W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 65 x 129 x 159.3mm
(2 9/16 x 5 5/64 x 6 17/64 inch)
Weight 1050g (2.31lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB480-72-3-XX
Output voltage nom. 72VDC
Adjustment range nom. 70.. 85VDC
Output current nom. 6.7A
Boost current max. 10A / 7s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 12A <2ms
Inrush energy AC 1 max. 0.1A2s
Inrush current DC 2 max. 12A <2ms
Inrush energy DC 2 max. 0.1A2s
Output power nom. 480W
Boost power max. 720W / 7s
Power factor typ. 0.92
Conversion efficiency AC 1 min. 95.7 / 95.6%
Power losses AC 1 max. 21.6 / 22.1W
No-load consumption AC 1 max. 3.0 / 3.3W
Conversion efficiency DC 2 typ. 95.7 / 95.5 / 95.3%
Power losses DC 2 typ. 21.6 / 22.6 / 23.7W
No-load consumption DC 2 max. 3.1 / 3.4 / 4.0W
Service lifetime 1 min. 137,000 / 123,000hrs
Service / Early life MTBF 3 min. 0.86M / 0.45M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 8.0W/°Camb
(4.44W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 65 x 129 x 159.3mm
(2 9/16 x 5 5/64 x 6 17/64 inch)
Weight 1050g (2.31lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB960-24-3-XX DRB960-48-3-XX DRB960-72-3-XX
Output voltage nom. 24VDC 48VDC 72VDC
Adjustment range nom. 22.5.. 29VDC 45.. 56VDC 70.. 85VDC
Output current nom. 40A 20A 13.3A
Boost current max. 60A / 7s 30A / 7s 20A / 7s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 13A <2ms
Inrush energy AC 1 max. 0.1A2s
Inrush current DC 2 max. 13A <2ms
Inrush energy DC 2 max. 0.1A2s
Output power nom. 960W
Boost power max. 1440W / 7s
Power factor typ. 0.94
Conversion efficiency AC 1 min. 95.2 / 95.1% 95.9 / 95.8% 96.3 / 96.2%
Power losses AC 1 max. 48.4 / 49.5W 41.0 / 42.1W 36.9 / 37.9W
No-load consumption AC 1 max. 6.1 / 6.0W 6.2 / 6.1W 5.6 / 5.6W
Conversion efficiency DC 2 typ. 97.4 / 97.3 / 96.8% 96.9 / 96.8 / 96.2% 97.2 / 96.8 / 96.5%
Power losses DC 2 typ. 25.6 / 26.6 / 31.7W 30.7 / 31.7 / 37.9W 27.7 / 31.7 / 34.8W
No-load consumption DC 2 max. 6.1 / 6.9 / 6.8W 5.8 / 7.0 / 6.6W 5.6 / 6.5 / 6.4W
Service lifetime 1 min. 117,000 / 113,000hrs 130,000 / 128,000hrs 130,000 / 124,000hrs
Service / Early life MTBF 3 min. 0.97M / 0.39M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 16W/°Camb
(8.89W/°Famb)		 16W/°Camb
(8.89W/°Famb)		 6.24W/°Camb
(3.47W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 100 x 129 x 171.9mm
(315/16 x 5 5/64 x 6 49/64 inch)
Weight 1750g (3.86lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB960-24-3-XX
Output voltage nom. 24VDC
Adjustment range nom. 22.5.. 29VDC
Output current nom. 40A
Boost current max. 60A / 7s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 13A <2ms
Inrush energy AC 1 max. 0.1A2s
Inrush current DC 2 max. 13A <2ms
Inrush energy DC 2 max. 0.1A2s
Output power nom. 960W
Boost power max. 1440W / 7s
Power factor typ. 0.94
Conversion efficiency AC 1 min. 95.2 / 95.1%
Power losses AC 1 max. 48.4 / 49.5W
No-load consumption AC 1 max. 6.1 / 6.0W
Conversion efficiency DC 2 typ. 97.4 / 97.3 / 96.8%
Power losses DC 2 typ. 25.6 / 26.6 / 31.7W
No-load consumption DC 2 max. 6.1 / 6.9 / 6.8W
Service lifetime 1 min. 117,000 / 113,000hrs
Service / Early life MTBF 3 min. 0.97M / 0.39M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 16W/°Camb
(8.89W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 100 x 129 x 171.9mm
(315/16 x 5 5/64 x 6 49/64 inch)
Weight 1750g (3.86lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB960-48-3-XX
Output voltage nom. 48VDC
Adjustment range nom. 45.. 56VDC
Output current nom. 20A
Boost current max. 30A / 7s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 13A <2ms
Inrush energy AC 1 max. 0.1A2s
Inrush current DC 2 max. 13A <2ms
Inrush energy DC 2 max. 0.1A2s
Output power nom. 960W
Boost power max. 1440W / 7s
Power factor typ. 0.94
Conversion efficiency AC 1 min. 95.9 / 95.8%
Power losses AC 1 max. 41.0 / 42.1W
No-load consumption AC 1 max. 6.2 / 6.1W
Conversion efficiency DC 2 typ. 96.9 / 96.8 / 96.2%
Power losses DC 2 typ. 30.7 / 31.7 / 37.9W
No-load consumption DC 2 max. 5.8 / 7.0 / 6.6W
Service lifetime 1 min. 130,000 / 128,000hrs
Service / Early life MTBF 3 min. 0.97M / 0.39M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 16W/°Camb
(8.89W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 100 x 129 x 171.9mm
(315/16 x 5 5/64 x 6 49/64 inch)
Weight 1750g (3.86lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)
DRB960-72-3-XX
Output voltage nom. 72VDC
Adjustment range nom. 70.. 85VDC
Output current nom. 13.3A
Boost current max. 20A / 7s
Overload behaviour Constant current + Intermittent mode (Hiccup)
Mains frequency nom. 50/60Hz
Input voltage AC nom. 3x380 .. 500VAC (-10/+15%)
Input voltage DC nom. 530 .. 675VDC (-15/+20%)
Inrush current AC 1 max. 13A <2ms
Inrush energy AC 1 max. 0.1A2s
Inrush current DC 2 max. 13A <2ms
Inrush energy DC 2 max. 0.1A2s
Output power nom. 960W
Boost power max. 1440W / 7s
Power factor typ. 0.94
Conversion efficiency AC 1 min. 96.3 / 96.2%
Power losses AC 1 max. 36.9 / 37.9W
No-load consumption AC 1 max. 5.6 / 5.6W
Conversion efficiency DC 2 typ. 97.2 / 96.8 / 96.5%
Power losses DC 2 typ. 27.7 / 31.7 / 34.8W
No-load consumption DC 2 max. 5.6 / 6.5 / 6.4W
Service lifetime 1 min. 130,000 / 124,000hrs
Service / Early life MTBF 3 min. 0.97M / 0.39M hrs
Ambient operating temperature max. -25 .. +70°Camb (-13 .. +158°Famb)
Ambient operating temperature nom. -25 .. +55°Camb (-13 .. +131°Famb)
Power derating min. 6.24W/°Camb
(3.47W/°Famb)
Operating altitude nom. 3000mASL (9842ftASL)
Operating altitude max. 6000mASL (19685ftASL) 4
Ingress protection degree IP 20
Radiated noise emission Class B
Conducted noise emission Class B
Width x Height x Depth max. 100 x 129 x 171.9mm
(315/16 x 5 5/64 x 6 49/64 inch)
Weight 1750g (3.86lb)
Certifications (CB, UL, UR) IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1 (Ed.3)

All products are available as -A0 (screw terminal) and -A1 (push-in terminal) versions.

Unless otherwise stated, all values are specified in normal mounting position, at full load, nominal input and output voltages, 25°C ambient temperature and a run-in time of 5 minutes.

1 400 / 500VAC
2 540 / 650 / 800VDC
3 Telcordia SR-332 Issue 4
4 not UL approved, reduced OVC

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Technical Documents

Technical Specification Safety & installation sheet
DRB120-12-3-XX follow link follow link
DRB120-24-3-XX follow link follow link
DRB240-24-3-XX follow link follow link
DRB240-48-3-XX follow link follow link
DRB480-24-3-XX follow link follow link
DRB480-48-3-XX follow link follow link
DRB480-72-3-XX follow link follow link
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DRB960-72-3-XX follow link follow link

Marketing Documents

Product Brochure follow link
DIN-Rail Power Solutions Brochure follow link
2D outline drawing PDF 2D outline drawing DXF 3D drawing STEP
Screw version Push-in version Screw version Push-in version Screw version Push-in version
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EU & UK Declaration of Conformity follow link
EU RoHS Declaration of Conformity follow link
EAC Registration follow link
TSCA follow link
California Proposition 65 follow link
REACH China RoHS
DRB120-12-3-XX follow link follow link
DRB120-24-3-XX follow link follow link
DRB240-24-3-XX follow link follow link
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DRB480-24-3-XX follow link follow link
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DRB960-24-3-XX follow link follow link
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61010-1 Documentation

61010 Certificate 61010 Report
UL CB UL CB
DRB120-XX-3-XX follow link follow link follow link follow link
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62368-1 Documentation

62368 Certificate 62368 Report
UL CB UL CB
DRB120-XX-3-XX follow link follow link follow link follow link
DRB240-XX-3-XX follow link follow link follow link follow link
DRB480-XX-3-XX follow link follow link follow link follow link
DRB960-XX-3-XX follow link follow link follow link follow link
DUSH DC-UPS In mission critical applications, the DUSH serves as a backup solution to deliver power from a battery. follow link
DBM20 20A buffer module for short-term hold-up or peak power in 24VDC load systems. follow link
DRM40B 40A redundancy module for creating redundant power supply systems up to 2x 20A. follow link
DRM40 40A redundancy module with additional signalling features for creating redundant power supply systems up to 2x 20A. follow link
DDA250N 250W non-isolated step-down DC-DC converter for creating additonal DC bus voltages from a single DC input source. follow link
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