SM33-3-5 — CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

SM33-3-5: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include body_style: MULTIPOLE-SINGLE ACTUATOR TYPE, body_width: 1.250 INCHES MAXIMUM IN, body_length: 1.500 INCHES MAXIMUM IN, reset_method: MANUAL, storage_type: GENERAL PURPOSE WAREHOUSE, bushing_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5925-00-978-9303, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

MRO→ MRO_GENERAL→ SM33-3-5

NSN: 5925-00-978-9303
FSC: 5925 — Circuit Breakers
CAGE: 74193 — EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV (USA)

SPECIFICATIONS

body_style	MULTIPOLE-SINGLE ACTUATOR TYPE
body_width	1.250 INCHES MAXIMUM IN
body_length	1.500 INCHES MAXIMUM IN
reset_method	MANUAL
storage_type	GENERAL PURPOSE WAREHOUSE
pole_quantity	2
bushing_length	0.375 INCHES NOMINAL IN
fragility_factor	MODERATELY RUGGED
actuator_function	TRIP-RESET
frequency_in_hertz	400.0 ALL LOCATIONS
nominal_thread_size	0.375 INCHES IN
trip_release_method	MAGNETIC-HYDRAULIC ALL LOCATIONS
NSN	5925-00-978-9303

COMPONENT DIAGRAM

KEY FEATURES

•

BUSHING LENGTH: 0.375 INCHES NOMINAL IN

•

RESET METHOD: MANUAL

•

INTERNAL TRIP RELEASE CONFIGURATION: SERIES TRIP ALL LOCATIONS

•

OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 115.0 AC ALL LOCATIONS

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING WITH PANEL SEAL

•

ACTUATOR POSITION DESIGNATION: BETWEEN POLE ONE AND TWO

•

ULTIMATE TRIP TIME PER POLE IN SECONDS: 0.800 MINIMUM AND 7.900 MAXIMUM ALL LOCATIONS

•

FREQUENCY IN HERTZ: 400.0 ALL LOCATIONS

TECHNICAL CHARACTERISTICS

BUSHING LENGTH	0.375 INCHES NOMINAL IN
RESET METHOD	MANUAL
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	115.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING WITH PANEL SEAL
ACTUATOR POSITION DESIGNATION	BETWEEN POLE ONE AND TWO
ULTIMATE TRIP TIME PER POLE IN SECONDS	0.800 MINIMUM AND 7.900 MAXIMUM ALL LOCATIONS
FREQUENCY IN HERTZ	400.0 ALL LOCATIONS
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.625 INCHES NOMINAL IN
FRAGILITY FACTOR	MODERATELY RUGGED

OTHER ITEMS IN FSC 5925 — Circuit Breakers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5925-00-001-1277 5925-00-001-2809 5925-00-001-3838 5925-00-001-5748 5925-00-001-5926 5925-00-001-5938 5925-00-001-5942 5925-00-001-5977

SUBSTITUTES & CROSS-REFERENCES 3

SM33-3-5-115VAC400C1Reference document

Same NSN cross-reference

Reference document — Secondary reference

HE2-C3-3-5-250VAC-1-400Reference document

Same NSN cross-reference

Reference document — Secondary reference

65A139D91Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SM33-3-5?

SM33-3-5 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace SM33-3-5?

There are 3 known substitutes for SM33-3-5: SM33-3-5-115VAC400C1, HE2-C3-3-5-250VAC-1-400, 65A139D91. Substitute compatibility should be verified for your specific system.

What is the NSN for SM33-3-5?

SM33-3-5 is cataloged in the U.S. Government catalog under NSN 5925-00-978-9303. This indicates validated use in U.S. government and defense supply chains.

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