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Last Modified: Jul 12, 2020

Part Number ET74433 Circuit Breaker

National Stock Number: 5925-00-014-6540

ET74433 Cross Reference Parts

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ETN277200S41

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ET74433

2 2 3 A

ETN277210S41

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Summary Information (click on this NSN number for detailed information: 5925-00-014-6540)

Definition: Circuit Breaker, also referenced with federal logistics item name code 136: A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. may include provisions for manual operation. at least one set of contacts must be in series with the actuating element(s). a combination of semiconductor and passive devices may be used in lieu of contacts. for automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). for items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. excludes circuit breaker box and magneto "breaker" assemblies. see also switch (as modified); and controller.
Federal Supply Class (FSC): 5925
NIIN: 00-014-6540 (000146540)
NMF Description: CIRCUIT BREAKER/SWITCH NOI
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