299-4-5055-21 — CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

299-4-5055-21: 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: 4.144 INCHES MAXIMUM IN, body_length: 4.740 INCHES MINIMUM AND 4.760 INCHES MAXIMUM IN, boss_height: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, reset_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-259-7785, 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→ 299-4-5055-21

NSN: 5925-01-259-7785
FSC: 5925 — Circuit Breakers
CAGE: 81541 — SENSATA TECHNOLOGIES MARYLAND, INC (USA)

SPECIFICATIONS

material	PLASTIC CASE
body_style	MULTIPOLE-MULTIPLE ACTUATOR TYPE
body_width	4.144 INCHES MAXIMUM IN
body_length	4.740 INCHES MINIMUM AND 4.760 INCHES MAXIMUM IN
boss_height	0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
reset_method	MANUAL
storage_type	GENERAL PURPOSE WAREHOUSE
pole_quantity	4
fragility_factor	MODERATELY RUGGED
actuator_function	TRIP-RESET
frequency_in_hertz	400.0 FIRST LOCATION
nominal_thread_size	0.138 INCHES IN
NSN	5925-01-259-7785

COMPONENT DIAGRAM

KEY FEATURES

•

RESET METHOD: MANUAL

•

INTERNAL TRIP RELEASE CONFIGURATION: SERIES TRIP ALL LOCATIONS

•

OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 277.0 AC FIRST LOCATION

•

MOUNTING FACILITY TYPE AND QUANTITY: 8 THREADED HOLE(S)

•

ACTUATOR POSITION DESIGNATION: AT EACH POLE

TECHNICAL CHARACTERISTICS

RESET METHOD	MANUAL
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	277.0 AC FIRST LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 DC FOURTH LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	277.0 AC SECOND LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	277.0 AC THIRD LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	8 THREADED HOLE(S)
ACTUATOR POSITION DESIGNATION	AT EACH POLE
FREQUENCY IN HERTZ	400.0 FIRST LOCATION
FREQUENCY IN HERTZ	400.0 THIRD LOCATION

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 1

6010632-021Reference 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 299-4-5055-21?

299-4-5055-21 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace 299-4-5055-21?

There is 1 known substitute for 299-4-5055-21: 6010632-021. Substitute compatibility should be verified for your specific system.

What is the NSN for 299-4-5055-21?

299-4-5055-21 is cataloged in the U.S. Government catalog under NSN 5925-01-259-7785. This indicates validated use in U.S. government and defense supply chains.

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