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AIRPAX / SENSATA M3901902239 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/02-239 is a critical component in military and aerospace applications, providing reliable circuit protection in demanding environments. 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. The device incorporates auxiliary contacts for enhanced monitoring and control capabilities. Available with a range of dash numbers, the M39019/02-239 series offers flexibility in current rating, time delay, and resistance/impedance to meet specific application needs. Its robust construction and adherence to MIL-PRF-39019 standards guarantee consistent performance and durability.

Authorized Distributors
Source:Newark
Part No:M39019/02-239
Stock:1
Inv Date:06-09-2026
Price: Unit price: $1031.36
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Source:DigiKey
Part No:M39019/02-239
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1001.32
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Source:DigiKey
Part No:M39019/02-239
Stock:1
Inv Date:06-09-2026
Price: Unit price: $749.95
Buy/RFQ:
Part No:M39019/02-239
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1001.32
Buy/RFQ:
Part No:M39019/02-239
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1418.5
Buy/RFQ:
Part No:M39019/02-239
Stock:1
Inv Date:06-09-2026
Price: Unit price: $937.37
Buy/RFQ:
Part No:M39019/02-239
Stock:1
Inv Date:06-09-2026
Price: Unit price: $937.37
Buy/RFQ:

AIRPAX / SENSATA M3901902239 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
  • pin: M39019/02-(dash number taken from table I)
  • tolerance: ±.031 (0.79 mm)
  • effective_bushing_thread_length: 0.280 (7.11 mm) minimum
  • auxiliary_contact_terminals_wire_size: Accommodates two number 20 AWG wires

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901902239?

You can click on the BUY or RFQ button to purchase M3901902239 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901902239?

You can download the M3901902239 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901902239?

AIRPAX / SENSATA

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