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AIRPAX / SENSATA M3901902258 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/02-258 is a critical component in military and aerospace applications, providing reliable circuit protection. This low-power, sealed, trip-free magnetic circuit breaker is designed to interrupt circuits under fault conditions, preventing damage to equipment and ensuring system safety. It incorporates auxiliary contacts for enhanced monitoring and control capabilities. The device is built to withstand harsh environments and meets stringent military specifications, making it ideal for demanding applications. Securely purchase this essential circuit breaker online today.

Authorized Distributors
Source:Newark
Part No:M39019/02-258
Stock:46
Inv Date:06-09-2026
Price: Unit price: $1031.36
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Source:DigiKey
Part No:M39019/02-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1001.32
Buy/RFQ:
Part No:M39019/02-258
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1001.32
Buy/RFQ:
Part No:M39019/02258
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:
Part No:M39019/02-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1031.36
Buy/RFQ:
Part No:M39019/02-258
Stock:46
Inv Date:06-09-2026
Price: Unit price: $937.37
Buy/RFQ:
Part No:M39019/02-258
Stock:46
Inv Date:06-09-2026
Price: Unit price: $937.37
Buy/RFQ:

AIRPAX / SENSATA M3901902258 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 M3901902258?

You can click on the BUY or RFQ button to purchase M3901902258 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901902258?

You can download the M3901902258 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901902258?

AIRPAX / SENSATA

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