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AIRPAX / SENSATA M3901901224S Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/01-224S is a low-power, magnetic, trip-free, one-pole circuit breaker conforming to MIL-PRF-39019. It's designed to provide overcurrent protection in a variety of military and industrial applications. The circuit breaker features a sealed construction and a trip-free mechanism, ensuring reliable operation. Dimensions vary based on the dash number, with tolerances of ±.031 inches. Mounting hardware includes a hex nut and lockwasher. The effective bushing thread length is a minimum of .280 inches. This part is suitable for applications requiring robust and dependable circuit protection.

Authorized Distributors
Source:Newark
Part No:M39019/01-224S
Stock:16
Inv Date:06-09-2026
Price: Unit price: $989.89
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Source:DigiKey
Part No:M39019/01-224S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $961.06
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Part No:M39019/01-224S
Stock:0
Inv Date:06-10-2026
Price: Unit price: $961.06
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Part No:M39019/01224S
Stock:0
Inv Date:06-10-2026
Price: N/A
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Part No:M39019/01-224S
Stock:2
Inv Date:06-09-2026
Price: Unit price: $142.1
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Part No:M39019/01-224S
Stock:63
Inv Date:06-09-2026
Price: Unit price: $542.13
Buy/RFQ:
Part No:M39019/01-224S
Stock:63
Inv Date:06-09-2026
Price: Unit price: $542.13
Buy/RFQ:

AIRPAX / SENSATA M3901901224S Magnetic Circuit Breaker Specifications:

  • voltage_and_frequency_rating: 50 V dc, maximum and 240 V ac, maximum at 60 Hz and 400 Hz
  • high_inrush: 800 percent at 60 Hz and dc, 1,400 percent at 400 Hz
  • current_rating: See table I
  • time_delay: See table I
  • resistance_or_impedance: See table I
  • weight: Approximately 50 grams
  • mounting_hardware: See figure 1
  • terminals: See figure 1
  • dimensions: See figure 1 and note 11
  • tolerance: ±.031 (0.79 mm)
  • hex_mounting_nut_thread: .375-32 UNEF-2B thread, .093 ±.005 (2.36 mm ±0.13 mm) thick or equivalent MS25082-20, -B20
  • internal_tooth_lockwasher: .507/.493 O.D., .392/.382 I.D., .025 ±.005 (0.64 mm ±0.13mm) thick, stainless steel or equivalent MS35333-134
  • effective_bushing_thread_length: .280 (7.11 mm) minimum

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901901224S?

You can click on the BUY or RFQ button to purchase M3901901224S from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901901224S?

You can download the M3901901224S datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901901224S?

AIRPAX / SENSATA

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