MIL-PRF-55629/21 — CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

MIL-PRF-55629/21: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, body_style: MULTIPOLE-MULTIPLE ACTUATOR TYPE, body_width: 38.48 MILLIMETERS MAXIMUM MM, body_length: 51.59 MILLIMETERS MAXIMUM MM, reset_method: MANUAL, storage_type: GENERAL PURPOSE WAREHOUSE. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-226-5636, 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→ MIL-PRF-55629/21

NSN: 5925-01-226-5636
NIINs: 012265636, 012452276, 012647809, 012647810, 012740277, 012754555, 012950612, 013037504, 013046753, 013056193, 013097358, 013458536, 013577024, 013599585, 013626653, 014144671, 014290392, 014851442, 014851443, 015453501, 015453504, 015454606, 015467914, 015504206, 015504208, 015504209, 015689515, 015987114, 016063848, 016166475, 016419448
FSC: 5925 — Circuit Breakers
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	PLASTIC CASE
body_style	MULTIPOLE-MULTIPLE ACTUATOR TYPE
body_width	38.48 MILLIMETERS MAXIMUM MM
body_length	51.59 MILLIMETERS MAXIMUM MM
reset_method	MANUAL
storage_type	GENERAL PURPOSE WAREHOUSE
pole_quantity	2
bushing_length	16.66 MILLIMETERS MAXIMUM MM
fragility_factor	MODERATELY RUGGED
special_features	2 POLE TRIP-FREE
actuator_function	TRIP-RESET
features_provided	HIGH INRUSH PROTECTION
NSN	5925-01-226-5636

COMPONENT DIAGRAM

KEY FEATURES

•

BUSHING LENGTH: 0.464 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN

•

RESET METHOD: MANUAL

•

INTERNAL TRIP RELEASE CONFIGURATION: SERIES TRIP ALL LOCATIONS

•

OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 50.0 DC ALL LOCATIONS

•

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

•

ACTUATOR POSITION DESIGNATION: AT POLE TWO

•

SWITCH TERMINAL TYPE: TAB, SOLDER LUG

•

CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

BUSHING LENGTH	0.464 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN
RESET METHOD	MANUAL
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	50.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING WITH PANEL SEAL
ACTUATOR POSITION DESIGNATION	AT POLE TWO
SWITCH TERMINAL TYPE	TAB, SOLDER LUG
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
NONTURN DEVICE RADIUS	0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
FRAGILITY FACTOR	MODERATELY RUGGED

SUBSTITUTES & CROSS-REFERENCES 3

MIL-C-55629/21Reference document

Same NSN cross-reference

Reference document — Secondary reference

M55629/21LLLLSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

976277-3Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 MIL-PRF-55629/21?

MIL-PRF-55629/21 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace MIL-PRF-55629/21?

There are 3 known substitutes for MIL-PRF-55629/21: MIL-C-55629/21, M55629/21LLLL, 976277-3. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-PRF-55629/21?

MIL-PRF-55629/21 is cataloged in the U.S. Government catalog under NSN 5925-01-226-5636. This indicates validated use in U.S. government and defense supply chains.

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