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Netzgeräte von A bis Z

Wir haben dieses praktische Glossar aufgenommen, um Sie bei Terminologie und Abkürzungen in Bezug auf Stromprodukte zu unterstützen. Wählen Sie einen der folgenden Buchstaben aus.

A Von 'A' zu 'AWG'
B Von 'Back Electromotive Force (Back EMF)' zu 'Bus Converter '
C Von 'C' zu 'Curve B (or Class B)'
D Von 'dB' zu 'Dynamic Load'
E Von 'Earth' zu 'External Fusing'
F Von 'F' zu 'Fusible Link'
G Von 'Galvanic' zu 'Grounded'
H Von 'H' zu 'Hz'
I Von 'I ' zu 'Isolation Voltage'
J Von 'J ' zu 'Junction Field Effect Transistor (JFET)'
K Von 'K' zu 'kWh'
L Von 'L ' zu 'LVD'
M Von 'Magnetic Amplifier (Mag Amp)' zu 'Multi-Resonant Topology (MRT)'
N Von 'Nano ' zu 'NTC'
O Von 'OCV' zu 'OVP'
P Von 'P' zu 'PWM '
Q Von 'Quarter Brick ' zu 'Quarter Brick '
R Von 'R' zu 'RS485'
S Von 'S' zu 'System International d’Unites (SI)'
T Von 't' zu 'TUV '
U Von 'U' zu 'USB'
V Von 'V' zu 'Vss'
W Von 'W' zu 'Working Voltage'
X-Z Von 'X ' zu 'Zetta '
# Von '°C ' zu '°F '

Begriff des Tages : 'Safety Extra Low Voltage (SELV)'

Internationally recognised safe voltage level which can be touched by a user.

IEC define it as “voltage which does not exceed 50Vac or 120V ripple-free dc between conductors, or between any conductor and earth, in a circuit which is isolated from the supply mains by such means as a safety isolating transformer”. However, different safety standards have different names and values for "safe voltage" and some of the most common standards are as follows :

IEC60950-1 - 42.4 V pk or 60Vdc (SELV)
IEC61010-1 - 33 Vac or 46.7V pk or 70Vdc (not called SELV - called LIMIT VOLTAGES FOR ACCESSIBLE PARTS)
IEC60601-1 Ed 2 - 25Vac or 60Vdc (SELV)
IEC60601-1 Ed 3 - Same as IEC60950-1. (not called SELV though, it is just described as VOLTAGE LIMITS FOR CERTAIN ACCESSIBLE PARTS)
IEC62368-1 - 30Vac or 42.4 V pk or 60Vdc (called ES1)

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