124B20-B2M — CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

124B20-B2M: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, body_style: SINGLE POLE TYPE, body_width: 0.780 INCHES NOMINAL IN, reset_method: AUTOMATIC, storage_type: GENERAL PURPOSE WAREHOUSE, overall_length: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-179-4772, 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→ 124B20-B2M

NSN: 5925-01-179-4772
FSC: 5925 — Circuit Breakers
CAGE: 1UW16 — COOPER BUSSMANN (USA)

SPECIFICATIONS

material	PLASTIC CASE
body_style	SINGLE POLE TYPE
body_width	0.780 INCHES NOMINAL IN
reset_method	AUTOMATIC
storage_type	GENERAL PURPOSE WAREHOUSE
pole_quantity	1
overall_length	1.750 INCHES NOMINAL IN
fragility_factor	MODERATELY RUGGED
trip_release_method	MAGNETIC SINGLE LOCATION
circuit_protection_type	OVERCURRENT SINGLE LOCATION
special_handling_feature	MAGNETIC
terminal_type_and_quantity	2 THREADED STUD
NSN	5925-01-179-4772

COMPONENT DIAGRAM

KEY FEATURES

•

RESET METHOD: AUTOMATIC

•

INTERNAL TRIP RELEASE CONFIGURATION: SERIES TRIP SINGLE LOCATION

•

OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 32.0 DC SINGLE LOCATION

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)

•

FRAGILITY FACTOR: MODERATELY RUGGED

•

BODY STYLE: SINGLE POLE TYPE

•

ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT: 125.0 SINGLE LOCATION

•

DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.560 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

RESET METHOD	AUTOMATIC
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	32.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 UNTHREADED HOLE(S)
FRAGILITY FACTOR	MODERATELY RUGGED
BODY STYLE	SINGLE POLE TYPE
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	1.560 INCHES NOMINAL IN
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
BODY WIDTH	0.780 INCHES NOMINAL IN

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 2

24B20-B0Reference document

Same NSN cross-reference

Reference document — Secondary reference

1449730Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 124B20-B2M?

124B20-B2M is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace 124B20-B2M?

There are 2 known substitutes for 124B20-B2M: 24B20-B0, 1449730. Substitute compatibility should be verified for your specific system.

What is the NSN for 124B20-B2M?

124B20-B2M is cataloged in the U.S. Government catalog under NSN 5925-01-179-4772. This indicates validated use in U.S. government and defense supply chains.

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