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Home / Electrical / Circuit Breakers / Push-Pull / MS3320 / MS25244 /7274-2-1 Circuit Breakers
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7274-2-1 Circuit Breakers

6 Reviews 1 Answered Question
$29.54/Each
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Part# 7274-2-1
MFR Model# 7274-2-1

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: 1 amp
  • Low amp
  • High vibration resistance
  • Typical use: Military airborne vehicle and equipment protection

Specifications

  • Amp: 1
  • MS#: MS26574-1
  • 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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Gibbs S Verified Purchase

7274-2-1 Circuit Breaker
October 25, 2023

Fit as designed. Quick delivery too.

Steven B Verified Purchase

7274-2-1 Circuit Breaker
May 21, 2023

Direct F Verified Purchase

7274-2-1 Circuit Breaker
March 21, 2023

Gerald P Verified Purchase

7274-2-1 Circuit Breaker
June 11, 2022

Fast and accurate. We received the order in record time

David Verified Purchase

7274-2-1 Circuit Breaker
December 22, 2021

great

Helicopter S Verified Purchase

7274-2-1 Circuit Breaker
November 10, 2021

Q&A

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Please note, Aircraft Spruce Australia'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 Australia 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: Can you tell me the difference between 11-08354 and 11-08365? Other than the minor price difference, all that I can think of is the extra mounting hardware - but why would it cost less for more hardware?

They have different terminals. It just depends on how your buss bar is set up, as to which one you would pick.

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