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AIRPAX / SENSATA M3901903258 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/03-258 is a robust magnetic circuit breaker designed for critical applications requiring reliable circuit protection. Its sealed construction and trip-free mechanism ensure safe operation under various conditions. This circuit breaker is suitable for military, aerospace, and industrial applications where compact size and dependable performance are essential. It features a maximum voltage rating of 50V DC and 240V AC, and offers various current and time delay ratings to meet specific circuit protection needs. The part is compliant with MIL-PRF-39019 standards.

Authorized Distributors
Source:DigiKey
Part No:M39019/03-258
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1530.24
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Part No:M39019/03-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1530.23
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Part No:M39019/03258
Stock:0
Inv Date:06-09-2026
Price: N/A
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Part No:M39019/03-258
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1667.95
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Part No:M39019/03-258
Stock:47
Inv Date:06-08-2026
Price: Unit price: $1171.05
Buy/RFQ:
Part No:M39019/03-258
Stock:47
Inv Date:06-08-2026
Price: Unit price: $1171.05
Buy/RFQ:

AIRPAX / SENSATA M3901903258 Magnetic Circuit Breaker Specifications:

  • voltage_rating_dc: 50 V dc
  • voltage_rating_ac: 240 V ac
  • frequency_rating: 60 Hz, 400 Hz
  • high_inrush_current: 800 percent at 60 Hz and dc, 1,400 percent at 400 Hz
  • weight: approximately 100 grams
  • thread_size: .375-32 UNEF-2B
  • internal_tooth_lockwasher_od: .507/.493
  • internal_tooth_lockwasher_id: .392/.382
  • internal_tooth_lockwasher_thickness: .025 ±.005 (0.64 mm ±0.13mm)
  • effective_bushing_thread_length: .280 (7.11 mm) minimum
  • sealscrew_size: .138-32 UNC-2A x .312 (7.92 mm) long
  • dash_number_suffix_for_screw_terminals: S

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901903258?

You can click on the BUY or RFQ button to purchase M3901903258 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901903258?

You can download the M3901903258 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901903258?

AIRPAX / SENSATA

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