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7274-2-1 Circuit Breaker

7274-2-1 Circuit Breaker

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Part numbers : RX1-7274-2-1 , 7274-2-1 , 7274-2-1
Unit of Measure: EA

27.29 EUR / EA 27.29 EUR 27.29 € excl. VAT

27.29 EUR / EA excl. VAT

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Availability
6 EA ready to ship on Monday 2026-08-10
Order before 15:30 CET on Monday 2026-08-10
Up to 63 EA ready to ship on Thursday 2026-08-13
Order before 15:30 CET on Monday 2026-08-10
Up to 69 EA ready to ship on Monday 2026-08-17
Order before 15:30 CET on Monday 2026-08-10
332 EA available on request, fees apply
Special order from vendor stock.

The Klixon® 7274-2-1 is a compact, low-amperage circuit breaker for aircraft and aerospace electrical-protection applications. This 1 A version belongs to the 7274 series, which is designed to protect aircraft/aerospace cable and components in airborne vehicles and equipment.

Its trip-free reset function supports circuit protection where a reset button must not be held closed against an overload condition. The 7274 series is designed for minimum panel space, low weight and resistance to vibration.

  • Manufacturer part number: 7274-2-1
  • Reference designation: MS26574-1
  • Current rating: 1 A
  • Series: Klixon® 7274-2
  • Trip-free circuit-breaker design
  • Single-phase, non-compensated 7274-series configuration
  • 7274 series is MIL-C-5809 qualified

Please verify the part number, rating, installation configuration and applicable maintenance data before purchase or installation.

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Overview

Trip–Free

The 7274 features a trip–free, indicating reset button and is available in standard ratings from ½ 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 ½ 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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