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AIRPAX / SENSATA M3901904258 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/04-258 is a critical component for circuit protection in a wide range of applications, particularly within military and industrial settings. This low-power, magnetic circuit breaker features a sealed, trip-free design, ensuring reliable operation and preventing accidental re-closure after a fault. Its two-pole configuration provides enhanced protection, while auxiliary contacts offer additional flexibility for monitoring and control systems. The breaker's robust construction and adherence to MIL-PRF-39019 standards guarantee consistent performance under demanding conditions. It is suitable for applications requiring precise voltage and current control, such as aerospace systems, power distribution units, and critical electronic equipment.

Authorized Distributors
Source:DigiKey
Part No:M39019/04-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1635.83
Buy/RFQ:
Part No:M39019/04-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1635.83
Buy/RFQ:
Part No:M39019/04-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2052.2
Buy/RFQ:
Part No:M39019/04-258
Stock:18
Inv Date:06-09-2026
Price: Unit price: $1225.34
Buy/RFQ:
Part No:M39019/04-258
Stock:18
Inv Date:06-09-2026
Price: Unit price: $1225.34
Buy/RFQ:

AIRPAX / SENSATA M3901904258 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 100 grams
  • mounting_hardware: See figure 1
  • terminals: See figure 1
  • pin: The PIN shall be M39019/04-(dash number taken from table I)

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901904258?

You can click on the BUY or RFQ button to purchase M3901904258 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901904258?

You can download the M3901904258 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901904258?

AIRPAX / SENSATA

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