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AIRPAX / SENSATA M3901901237 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/01-237 is a low-power, magnetic, trip-free, sealed, one-pole circuit breaker conforming to MIL-PRF-39019/1H. It is approved for use by all Departments and Agencies of the Department of Defense. The circuit breaker offers voltage and frequency ratings of 50V DC and 240V AC at 60Hz and 400Hz. Refer to Table I for detailed specifications including current ratings, time delays, and resistance or impedance values. The part number is determined by the dash number from Table I (e.g., M39019/01-200, M39019/01-200S).

Authorized Distributors
Source:Newark
Part No:M39019/01-237
Stock:1
Inv Date:06-09-2026
Price: Unit price: $1099.28
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Source:DigiKey
Part No:M39019/01-237
Stock:0
Inv Date:06-09-2026
Price: Unit price: $850.623
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Source:DigiKey
Part No:M39019/01-237
Stock:1
Inv Date:06-09-2026
Price: Unit price: $764.6
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Part No:M39019/01-237
Stock:0
Inv Date:06-10-2026
Price: Unit price: $850.62
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Part No:M39019/01-237
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1067.26
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Part No:M39019/01-237
Stock:1
Inv Date:06-09-2026
Price: Unit price: $799.86
Buy/RFQ:
Part No:M39019/01-237
Stock:1
Inv Date:06-09-2026
Price: Unit price: $799.86
Buy/RFQ:

AIRPAX / SENSATA M3901901237 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
  • effective_bushing_thread_length: 0.280 (7.11 mm) minimum
  • 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
  • main_terminal_screw: MS35265-26 or equivalent

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901901237?

You can click on the BUY or RFQ button to purchase M3901901237 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901901237?

You can download the M3901901237 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901901237?

AIRPAX / SENSATA

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