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Home / Electrical / Circuit Breakers / Push-Pull / MS3320 / MS25244 /7274-2-7.5 Circuit Breakers
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7274-2-7.5 Circuit Breakers

9 Reviews 2 Answered Questions
$26.50/Each
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Part# 11-08359
MFR Model# 7274-2-7.5

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.
   
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Features

  • Uses minimum space
  • Light weight
  • Trip–free
  • MIL-C-5809 qualified
  • Current rating: 7.5 amp
  • Low amp
  • High vibration resistance
  • Typical use: Military airborne vehicle and equipment protection

Specifications

  • Amp: 7.5
  • MS#: MS26574-7.5
  • 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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Like this configuration for setting up a avionics buss

Tom D Verified Purchase

CIRCUIT BREAKER 7274-2-7.5
November 12, 2023

Gibbs S Verified Purchase

CIRCUIT BREAKER 7274-2-7.5
October 25, 2023

As advertised.Good

Mike F Verified Purchase

CIRCUIT BREAKER 7274-2-7.5
May 2, 2023

Direct F Verified Purchase

CIRCUIT BREAKER 7274-2-7.5
March 21, 2023

Joseph H Verified Purchase

CIRCUIT BREAKER 7274-2-7.5
May 5, 2022

So far, so good

Craig K Verified Purchase

CIRCUIT BREAKER 7274-2-7.5
February 18, 2022

Thierry H Verified Purchase

CIRCUIT BREAKER 7274-2-7.5
September 12, 2021

Seems to be a good product. I like the size, fit, and availability for my application. Aircraft Spruce took my order and gave me quick delivery.

Dale T
May 9, 2020

Works as advertized. So happy to find a 7.5 amp breaker for my Collins VHF-250. Kind of an odd size and Im happy Klixon supports it.

Nathan M
April 13, 2020

Q&A

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Please note, Aircraft Spruce'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 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: Do these come with the amp rating printed or labeled on the pull switch?

The klixon breakers are stamped by the manufacturer.

Q: Is there a specific line side or can the power pass through in either direction?

Either side can be used on these circuit breakers.

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