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AIRPAX / SENSATA M3901902255 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/02-255 is a critical component in military and aerospace systems, providing reliable circuit protection in demanding environments. This low-power, sealed, trip-free magnetic circuit breaker is designed to meet the stringent requirements of MIL-PRF-39019. It incorporates auxiliary contacts for enhanced functionality and is characterized by its robust construction and dependable performance. The device is suitable for a wide range of applications where circuit protection and safety are paramount.

Authorized Distributors
Source:DigiKey
Part No:M39019/02-255
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1001.32
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Part No:M39019/02-255
Stock:0
Inv Date:06-13-2026
Price: Unit price: $1001.32
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Part No:M39019/02255
Stock:0
Inv Date:06-13-2026
Price: N/A
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Part No:M39019/02-255
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1021.35
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Part No:M39019/02-255
Stock:13
Inv Date:06-12-2026
Price: Unit price: $771.37
Buy/RFQ:
Part No:M39019/02-255
Stock:13
Inv Date:06-12-2026
Price: Unit price: $771.37
Buy/RFQ:

AIRPAX / SENSATA M3901902255 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
  • hex_mounting_nut: .375-32 UNEF-2B thread, .093 ±.005 (2.36 mm ±0.13 mm) thick or equivalent MS250820,-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
  • auxiliary_contact_terminals: Accommodate two number 20 AWG wires
  • effective_bushing_thread_length: .280 (7.11 mm) minimum
  • marking_location: Any surface except the mounting surface

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901902255?

You can click on the BUY or RFQ button to purchase M3901902255 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901902255?

You can download the M3901902255 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901902255?

AIRPAX / SENSATA

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