S0B37171 — CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

S0B37171: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include reset_method: MANUAL, trip_release_method: MAGNETIC ALL LOCATIONS, circuit_protection_type: OVERCURRENT ALL LOCATIONS, trip_release_characteristic: INSTANTANEOUS AND TIME DELAY ALL LOCATIONS, manual_actuator_type_and_quantity: 1 ROTARY, unthreaded_mounting_hole_diameter: 0.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5925-00-643-9234, 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→ S0B37171

NSN: 5925-00-643-9234
FSC: 5925 — Circuit Breakers
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)

SPECIFICATIONS

reset_method	MANUAL
pole_quantity	2
trip_release_method	MAGNETIC ALL LOCATIONS
circuit_protection_type	OVERCURRENT ALL LOCATIONS
trip_release_characteristic	INSTANTANEOUS AND TIME DELAY ALL LOCATIONS
manual_actuator_type_and_quantity	1 ROTARY
unthreaded_mounting_hole_diameter	0.562 INCHES NOMINAL IN
mounting_facility_type_and_quantity	6 UNTHREADED HOLE(S)
main_contact_tripping_mechanism_type	TRIP FREE
maximum_continuous_load_current_rating_per_pole	600.0 AMPERES DC ALL LOCATIONS
operating_voltage_type_and_rating_per_pole_in_volts	250.0 DC ALL LOCATIONS
ultimate_trip_rating_of_continuous_current_rating_per_pole_in_percent	400.0 ALL LOCATIONS
NSN	5925-00-643-9234

COMPONENT DIAGRAM

KEY FEATURES

•

RESET METHOD: MANUAL

•

OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 250.0 DC ALL LOCATIONS

•

MOUNTING FACILITY TYPE AND QUANTITY: 6 UNTHREADED HOLE(S)

•

ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT: 400.0 ALL LOCATIONS

•

CIRCUIT PROTECTION TYPE: OVERCURRENT ALL LOCATIONS

•

UNTHREADED MOUNTING HOLE DIAMETER: 0.562 INCHES NOMINAL IN

•

POLE QUANTITY: 2

•

MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE: 600.0 AMPERES DC ALL LOCATIONS

TECHNICAL CHARACTERISTICS

RESET METHOD	MANUAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	6 UNTHREADED HOLE(S)
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	400.0 ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER	0.562 INCHES NOMINAL IN
POLE QUANTITY	2
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	600.0 AMPERES DC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND TIME DELAY ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	25000.0 DC ALL LOCATIONS

SUBSTITUTES & CROSS-REFERENCES 2

B37171Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

176399AND176652Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is S0B37171?

S0B37171 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace S0B37171?

There are 2 known substitutes for S0B37171: B37171, 176399AND176652. Substitute compatibility should be verified for your specific system.

What is the NSN for S0B37171?

S0B37171 is cataloged in the U.S. Government catalog under NSN 5925-00-643-9234. This indicates validated use in U.S. government and defense supply chains.

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