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Home / Electrical / Circuit Breakers / Push-Pull / MS3320 / MS25244 /7274-2-2 Circuit Breakers
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7274-2-2 Circuit Breakers

10 Reviews 2 Answered Questions
$42.50/Each
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Part# 11-08354
MFR Model# 7274-2-2

Overview

7274 series are small, lightweight, low amperage devices that are specifically designed to protect aircraft/aerospace cable and components in airborne vehicles and equipment.

Trip–Free
The 7274 features a trip–free, indicating reset button and is available in standard ratings from ˝ to 20 amps.

Wiping Action
A "wiping action" contact design assures low voltage drop, faster trip time and high reliability in low voltage applications. They are available in standard ratings from ˝ to 20 amps.

Water Resistant Panel
A water resistant panel seal designed to fit over the push button actuator is available for applications that require this type of protection.

Features

  • Uses minimum space
  • Light weight
  • Trip–free
  • MIL-C-5809 qualified
  • Current rating: 2 amp
  • Low amp
  • High vibration resistance
  • Typical use: Military airborne vehicle and equipment protection

Specifications

  • Amp: 2
  • MS#: MS26574-2
  • Vibration: 10G minimum, 50–500 Hz (other vibration levels available)
  • Mechanical Shock: 35G
  • Acceleration: 10G
  • Weight: 7274-2 (MS 26574): 28 grams maximum; 7274-4 (MS 26574 A): 28 grams maximum; 7274-11 (MS 22073): 33 grams maximum; 7274-69 (MS 22073V): 33 grams; 7274-70 (MS 26474L): 33 grams
  • 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; 5,000 cycles: 120 VAC, 400 Hz resistive; 2,500 cycles: 30 VDC inductive; 5,000 cycles: 30 VDC resistive; 10,000 cycles: Mechanical, no load
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Reviews

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Appears to work as advertised

Duane Verified Purchase

Circuit Breaker 7274-2-2
June 5, 2024

Dan B Verified Purchase

Circuit Breaker 7274-2-2
April 5, 2023

Michael S Verified Purchase

Circuit Breaker 7274-2-2
November 26, 2022

Small footprint, fits really well on the panel.

William H Verified Purchase

Circuit Breaker 7274-2-2
November 9, 2022

Work

Mike L Verified Purchase

Circuit Breaker 7274-2-2
November 2, 2022

Works great!

Lee L Verified Purchase

Circuit Breaker 7274-2-2
March 10, 2022

So far, so good

Craig K Verified Purchase

Circuit Breaker 7274-2-2
February 18, 2022

Perfect as advertised -

Seagull A Verified Purchase

Circuit Breaker 7274-2-2
November 11, 2021

Gennady G Verified Purchase

Circuit Breaker 7274-2-2
August 1, 2021

Good quality compact circuit breaker.

Gary K
October 9, 2020

Q&A

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are these Klixon 7274-2 circuit breakers FAA PMA and TSO approved for certified airplanes?

These are not FAA PMA / TSO Approved but they do meet a Mil spec. Mil spec # MIL-C-5809.

Q: Do they come with the terminal screws? If not, what size screw should I order? What size ring terminal fits?

The terminal screws are included.

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