2nd October 2019

schneider-electric
15

What does SWD stand for on a circuit breaker?

SWD – 15- or 20-A circuit breakers rated 347 V or less may be marked “SWD,” meaning that they are suitable for switching fluorescent lighting loads on a regular basis (NEC 240.83(D)).

Just so, what does the abbreviation SWD mean?

SWD
AcronymDefinition
SWDSerial Wire Debug
SWDShift Work Disorder (circadian rhythm disorder)
SWDSolid Waste Disposal
SWDShort Wave Diathermy

Can you use a circuit breaker as an on off switch?

Circuit breakers are not designed as replacements for relays, operating controls. When a circuit breaker is designed to also be routinely used as an on-off switch to control 277 volt florescent luminaires they are marked SWD, for switch duty.

Is a circuit breaker a switch?

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit.
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