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AIRPAX / SENSATA M3901901337 Low-Power Trip-Free Circuit Breaker

The AIRPAX / SENSATA M39019/01-337 is a magnetic, low-power, sealed, trip-free, one-pole circuit breaker meeting MIL-PRF-39019/1H specifications. It's designed for applications requiring reliable circuit protection and is characterized by its compact size and robust construction. The device offers a range of current ratings and time delays, as detailed in Table I, making it suitable for diverse electrical systems. Marking may appear on any surface except the mounting surface, and a lock ring is optional depending on the on-off plate configuration. This circuit breaker is a critical component in military and industrial equipment, ensuring safe and efficient operation.

Authorized Distributors
Source:DigiKey
Part No:M39019/01-337
Stock:0
Inv Date:06-09-2026
Price: Unit price: $896.1
Buy/RFQ:
Part No:M39019/01-337
Stock:0
Inv Date:06-10-2026
Price: Unit price: $896.1
Buy/RFQ:
Part No:M39019/01-337
Stock:0
Inv Date:06-09-2026
Price: Unit price: $914.02
Buy/RFQ:
Part No:M39019/01-337
Stock:6
Inv Date:06-09-2026
Price: Unit price: $829.74
Buy/RFQ:
Part No:M39019/01-337
Stock:6
Inv Date:06-09-2026
Price: Unit price: $829.74
Buy/RFQ:

AIRPAX / SENSATA M3901901337 Low-Power Trip-Free 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
  • 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
  • marking_location: Any surface except the mounting surface
  • lock_ring_requirement: Not required if on-off plate has locking tab
  • dash_number_configuration_2: Add 'S' at end of dash number for screw terminals with insulating block
  • main_terminal_screw: MS35265-26 or equivalent

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Frequently Asked Questions

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How do I troubleshoot issues or seek technical support for part M3901901337?

You can download the M3901901337 datasheet or visit the AIRPAX / SENSATA website for support.

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AIRPAX / SENSATA

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