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AIRPAX / SENSATA M3901901343 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/01-343 is a low-power, sealed, trip-free, one-pole magnetic circuit breaker meeting MIL-PRF-39019/1H requirements. It provides reliable overcurrent protection in various military and industrial applications. The circuit breaker's design ensures quick response and prevents damage to connected equipment. Dimensions and configurations are detailed in Figure 1 of MIL-PRF-39019/1H, with metric equivalents provided for general information. Mounting hardware includes a hex nut and lockwasher, and terminals are designed for secure connections. The part number includes a dash number referencing Table I for specific characteristics like current rating, time delay, and resistance.

Authorized Distributors
Source:DigiKey
Part No:M39019/01-343
Stock:0
Inv Date:06-09-2026
Price: Unit price: $896.1
Buy/RFQ:
Part No:M39019/01-343
Stock:0
Inv Date:06-10-2026
Price: Unit price: $896.1
Buy/RFQ:
Part No:M39019/01-343
Stock:0
Inv Date:06-09-2026
Price: Unit price: $869.04
Buy/RFQ:
Part No:M39019/01-343
Stock:5
Inv Date:06-09-2026
Price: Unit price: $690.35
Buy/RFQ:
Part No:M39019/01-343
Stock:5
Inv Date:06-09-2026
Price: Unit price: $690.35
Buy/RFQ:

AIRPAX / SENSATA M3901901343 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
  • effective_bushing_thread_length: 0.280 (7.11 mm) minimum
  • tolerance: ±.031 (0.79 mm)
  • dash_number_suffix_for_screw_terminals: Add 'S' at end of dash number for screw terminals

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901901343?

You can click on the BUY or RFQ button to purchase M3901901343 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901901343?

You can download the M3901901343 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901901343?

AIRPAX / SENSATA

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