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AIRPAX / SENSATA M3901904323 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/04-323 is a robust, low-power magnetic circuit breaker meeting stringent military specifications. Designed for applications requiring reliable overcurrent protection, this breaker features a sealed construction and a trip-free mechanism for enhanced safety. Its two-pole configuration and optional auxiliary contacts provide flexibility in circuit design. The breaker's compact size and robust construction make it suitable for use in military, aerospace, and industrial applications where space and reliability are critical. It is designed to interrupt circuits up to a specified voltage and current rating, protecting sensitive equipment and personnel from damage due to overloads or short circuits.

Authorized Distributors
Source:Newark
Part No:M39019/04-323
Stock:3
Inv Date:06-09-2026
Price: Unit price: $1579.18
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Part No:M39019/04-323
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1726.33
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Part No:M39019/04-323
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1769.01
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Part No:M39019/04-323
Stock:3
Inv Date:06-09-2026
Price: Unit price: $1589.71
Buy/RFQ:
Part No:M39019/04-323
Stock:3
Inv Date:06-09-2026
Price: Unit price: $1589.71
Buy/RFQ:

AIRPAX / SENSATA M3901904323 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 M3901904323?

You can click on the BUY or RFQ button to purchase M3901904323 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901904323?

You can download the M3901904323 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901904323?

AIRPAX / SENSATA

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