7277-2-1 — available from 1 supplier

SupplierConditionQtyLocationPrice
Leading Edge Group, LLCVERIFIED

Broker · Seller since 2024

AUTHORIZED SOURCETrace: New - authorized distributor stock1 photoDatasheet
NE - New408 EABeaufort, South CarolinaRequest priceSign in to contact

Product details

KLIXON · Install Supplies › Electrical Interconnect

7277-2 Series Circuit Breaker | 0.5 Amp Rating

Klixon 7277-2 series circuit breakers are meant for use in applications that do not require military approvals. The trip-free 7277 was originally developed as an alternative to slow blow fuses and is used extensively as primary electrical circuit protection on general aviation aircraft. The military grade version of this circuit breaker is physically and electrically identical to the Klixon 7277, which has wider calibration limits.

Includes hardware.

Features

This 7277 series circuit breaker (EDMO# 7277-2-1/2) is rated for 0.5 amps.

  • Miniature size
  • Light weight
  • Trip free design
  • Current ratings (0.5 to 20 amps)
  • High vibration resistance
  • Electrical circuit protection on general aviation aircraft

Specifications

Weight:
28 grams, maximum

Current Rating:
0.5 Amps

Vibrations:
10G minimum, 50–500 Hz

Mechanical shock:
35G

Acceleration:
10G

Interrupt Current:
0.50–5 amps: unlimited at 28 VDC
7.50–15 amps: 2,000 amps at 28 VDC
0.50–1.50 amps: unlimited at 120 VAC, 400 Hz
2–5 amps: 800 amps at 120 VAC 
400 Hz 7.50–20 amps: 500 amps at 120 VAC, 400 Hz

Endurance:
2,500 cycles: 120 VAC, 400 Hz inductive
2,500 cycles: 30 VDC inductive 
5,000 cycles: 120 VAC, 400 Hz resistive
5,000 cycles: 30 VDC resistive 10,000 cycles: Mechanical, no load

Product content supplied by Leading Edge Group, LLC. Every listing is dated.

Watch part 7277-2-1: an email the morning the government solicits or buys it, or an AD names it. Free.
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7277-2-1 — CIRCUIT BREAKER

7277-2-1 is cataloged as CIRCUIT BREAKER. It carries 2 NSN identities and cross-references to 15 related part numbers. The part appears on MCRL cross-reference data. PartsAndPlanes currently shows 2 active listings from 1 seller across the part family.

NSN identities

Approved sources (CAGE)

Government purchase history

Distinct Vendors
0
Total
$0.00
Total Amount
$0.00

Government pricing & management

Aac
D
Aac Label
Stocked and issued (DoD managed)
Effective Date
2026-10-01
Moe
DA
Niin
009297716
Qup
1
Rep Rec Code
Z
Slc
0
Sos
SMS
Sos Label
DLA
Ui
EA
Unit Price
$28.09

Demand

Buyer Requests 90d
0
Buyer Requests All
0
Open Solicitations
0

Market on PartsAndPlanes

Active Listings
2
Avg Price
$0.00
Max Price
$0.00
Min Price
0
Sellers
1
Total Quantity
506

Availability

Band
Limited

Ships from Beaufort, South Carolina

Beaufort, South CarolinaSee in Google Maps

Verified Seller

Documents

  • 7277-2...d1b4997.pdfUploaded 06 October 2026

Part # 7277-2-1

Traceability:New - authorized distributor stockManufacturer:KLIXON
Alt Part #:7277-2-1UOM:EA - Each
Services:NASeller:
Quantity:408NSN:NA
CC:NE - New

7277-2 Series Circuit Breaker | 0.5 Amp Rating


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