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AIRPAX / SENSATA M3901901323 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/01-323 is a low-power, magnetic, trip-free, one-pole circuit breaker conforming to MIL-PRF-39019. Designed for use in military and industrial applications, this circuit breaker provides reliable overcurrent protection. It features a sealed construction to prevent contamination and a trip-free mechanism for quick response. The device's dimensions and configuration are detailed in Figure 1, with slight deviations acceptable as long as they don't affect functionality. Mounting hardware includes a hex nut and lockwasher, and terminals are designed for secure connections. The circuit breaker is rated for both DC and AC voltage and frequency, with varying current ratings and time delays depending on the dash number.

Authorized Distributors
Source:DigiKey
Part No:M39019/01-323
Stock:0
Inv Date:06-09-2026
Price: Unit price: $896.1
Buy/RFQ:
Source:DigiKey
Part No:M39019/01-323
Stock:2
Inv Date:06-09-2026
Price: Unit price: $1090.78
Buy/RFQ:
Part No:M39019/01-323
Stock:0
Inv Date:06-10-2026
Price: Unit price: $896.1
Buy/RFQ:
Part No:M39019/01-323
Stock:0
Inv Date:06-09-2026
Price: Unit price: $914.02
Buy/RFQ:
Part No:M39019/01-323
Stock:2
Inv Date:06-09-2026
Price: Unit price: $846.33
Buy/RFQ:
Part No:M39019/01-323
Stock:2
Inv Date:06-09-2026
Price: Unit price: $846.33
Buy/RFQ:

AIRPAX / SENSATA M3901901323 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
  • mounting_hardware: See figure 1
  • terminals: See figure 1
  • pin: The PIN shall be M39019/01-(dash number taken from table I)
  • effective_bushing_thread_length: 0.280 (7.11 mm) minimum
  • tolerance: ±.031 (0.79 mm)
  • dimensions_inches: .005, .030, .060, .062, .063, .125, .138, .240, .250, .325, .332, .375, .380, .493, .507, .610, .625, .641, .906, 1.562, 1.700, 1.780, 45.21
  • dimensions_mm: 0.13, 0.76, 1.52, 1.57, 1.60, 3.18, 3.51, 6.10, 6.35, 8.26, 8.43, 9.52, 9.65, 12.52, 12.88, 15.49, 15.88, 16.28, 23.01, 39.67, 43.18, 45.21

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901901323?

You can click on the BUY or RFQ button to purchase M3901901323 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901901323?

You can download the M3901901323 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901901323?

AIRPAX / SENSATA

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