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AIRPAX / SENSATA M3901903218 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/03-218 is a magnetic circuit breaker designed for low-power applications requiring a sealed, trip-free mechanism. It features a two-pole configuration and is suitable for use in military and industrial environments. The breaker's design ensures reliable protection against overcurrent conditions, contributing to the safety and longevity of connected equipment. It meets the requirements outlined in MIL-PRF-39019 and offers a range of current ratings and time delays to suit diverse circuit protection needs. The device incorporates features like hex mounting nuts and internal tooth lockwashers for secure installation and vibration resistance.

Authorized Distributors
Source:DigiKey
Part No:M39019/03-218
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1530.24
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Part No:M39019/03-218
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1530.23
Buy/RFQ:
Part No:M39019/03-218
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2167.78
Buy/RFQ:
Part No:M39019/03-218
Stock:6
Inv Date:06-09-2026
Price: Unit price: $1166.58
Buy/RFQ:
Part No:M39019/03-218
Stock:6
Inv Date:06-09-2026
Price: Unit price: $1166.58
Buy/RFQ:

AIRPAX / SENSATA M3901903218 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
  • effective_bushing_thread_length: 0.280 (7.11 mm) minimum
  • hex_mounting_nut_thread: .375-32 UNEF-2B
  • internal_tooth_lockwasher_dimensions: .507/.493 O.D., .392/.382 I.D., .025 ±.005 (0.64 mm ±0.13mm) thick
  • sealscrew_thread: .138-32 UNC-2A x .312 (7.92 mm) long

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901903218?

You can click on the BUY or RFQ button to purchase M3901903218 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901903218?

You can download the M3901903218 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901903218?

AIRPAX / SENSATA

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