Glossary
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01
353
HS
Auxiliary switches
Hysteresis
Continuation of an effect after removal of the cause.
I
Instantaneous (instantaneous short-circuit protection)
INST (instantaneous)
Instantaneous short circuit
IP (International Protection)
International degree of protection
L
Long-time delay (overload protection)
LCD (liquid crystal display)
Liquid crystal display
LCD ETU
Electronic trip unit with LCD display
LED (light emitting diode)
Light emitting diode
Limit monitoring
Checking of measured values for violation of defined upper or lower limits.
Load management
Control of energy consumption through selective connection, disconnection and regulation of
loads.
LTD (long-time delay)
Long-time delay
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