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EMC Filters, EMI Filters & Accessories

AC-DC Power Supplies

DBM20

NEW RANGE 24Vdc 20A DIN rail mount buffer module

The DBM module is ideal for providing short term hold-up or peak power for loads connected to a 24Vdc output AC-DC power supply. It can supply an additional 250ms hold-up at 448W output power.

During normal operation, energy is stored in the DBM20’s electrolytic capacitors. When the AC power is interrupted for a short period of time, the DBM20 continues to power the load, allowing equipment to shut-down in a safe and controlled manner. The DBM20 can be set to fixed or variable buffer mode. In fixed mode it will provide power when the input voltage drops to 22.4V, in variable mode when the input decreases by 1V. Multiple buffer modules can be paralleled for additional hold-up time. Product status can be accessed remotely via a DC OK relay, or locally using the LED indicators. The output voltage can also be inhibited to avoid an unsafe discharge of the stored energy.
 

Features

  • Provides 250ms Additional Hold-Up Time at 448W
  • Utilizes Electrolytic Capacitors to Store Energy
  • Narrow 49mm Width
  • Parallel Capable
  • Output Remote On/Off Function

Product Range Information

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Part number Additional Information Status View PDF datasheet
DBM20 24V 20A Buffer Module New product View PDF datasheet
DBM20/E 24V 20A Buffer Module New product View PDF datasheet
Key : New product

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In the TDK-Lambda Newsroom

24Vdc 20A DIN rail mount buffer (hold-up) module has a narrow 49mm width
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The DBM module is ideal for providing short term hold-up or peak power for loads connected to a 24Vdc output AC-DC power supply. It can supply an additional 250ms hold-up at 448W output power.

During normal operation, energy is stored in the DBM20’s electrolytic capacitors. When the AC power is interrupted for a short period of time, the DBM20 continues to power the load, allowing equipment to shut-down in a safe and controlled manner. The DBM20 can be set to fixed or variable buffer mode. In fixed mode it will provide power when the input voltage drops to 22.4V, in variable mode when the input decreases by 1V. Multiple buffer modules can be paralleled for additional hold-up time. Product status can be accessed remotely via a DC OK relay, or locally using the LED indicators. The output voltage can also be inhibited to avoid an unsafe discharge of the stored energy.
 

Further Resources

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