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AIRPAX / SENSATA M3901901230S Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/01-230S is a low-power, magnetic, trip-free, one-pole circuit breaker conforming to MIL-PRF-39019. It is designed to provide overcurrent protection in a variety of electronic systems and equipment. The circuit breaker's sealed construction ensures reliable operation in harsh environments. It is commonly used in military and aerospace applications where compact size and robust performance are critical. The part number includes a dash number that corresponds to specific characteristics such as current rating, time delay, and resistance or impedance, as detailed in Table I of the MIL-PRF-39019/1H specification.

Authorized Distributors
Source:Newark
Part No:M39019/01-230S
Stock:2
Inv Date:06-09-2026
Price: Unit price: $989.89
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Source:DigiKey
Part No:M39019/01-230S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $961.06
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Part No:M39019/01-230S
Stock:0
Inv Date:06-10-2026
Price: Unit price: $961.06
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Part No:M39019/01-230S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1361.53
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Part No:M39019/01-230S
Stock:44
Inv Date:06-09-2026
Price: Unit price: $1073.18
Buy/RFQ:
Part No:M39019/01-230S
Stock:44
Inv Date:06-09-2026
Price: Unit price: $1073.18
Buy/RFQ:

AIRPAX / SENSATA M3901901230S 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
  • hex_mounting_nut_thread: .375-32 UNEF-2B thread, .093 ±.005 (2.36 mm ±0.13 mm) thick or equivalent MS25082-20, -B20
  • internal_tooth_lockwasher: .507/.493 O.D., .392/.382 I.D., .025 ±.005 (0.64 mm ±0.13mm) thick, stainless steel or equivalent MS35333-134
  • effective_bushing_thread_length: .280 (7.11 mm) minimum
  • marking_location: Any surface except the mounting surface
  • lock_ring_requirement: Not required if on-off plate has locking tab
  • numerical_marking: Optional on circuit diagram
  • terminal_screw: MS35265-26 or equivalent

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901901230S?

You can click on the BUY or RFQ button to purchase M3901901230S from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901901230S?

You can download the M3901901230S datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901901230S?

AIRPAX / SENSATA

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