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AIRPAX / SENSATA M3901903252 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/03-252 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. The breaker features a two-pole design and is rated for a maximum voltage of 50V DC and 240V AC at frequencies of 60Hz and 400Hz. It is commonly used in military and aerospace applications where dependability and performance are paramount. The part's construction includes features like a hex mounting nut and internal tooth lockwasher, contributing to its overall durability and secure mounting.

Authorized Distributors
Source:DigiKey
Part No:M39019/03-252
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1530.24
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Part No:M39019/03-252
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1530.23
Buy/RFQ:
Part No:M39019/03-252
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1560.83
Buy/RFQ:
Part No:M39019/03-252
Stock:12
Inv Date:06-09-2026
Price: Unit price: $874.59
Buy/RFQ:
Part No:M39019/03-252
Stock:12
Inv Date:06-09-2026
Price: Unit price: $874.59
Buy/RFQ:

AIRPAX / SENSATA M3901903252 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 M3901903252?

You can click on the BUY or RFQ button to purchase M3901903252 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901903252?

You can download the M3901903252 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901903252?

AIRPAX / SENSATA

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