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AIRPAX / SENSATA M3901903252S Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/03-252S is a magnetic circuit breaker designed for use in military and industrial applications. It is a low-power, sealed, trip-free two-pole device with a voltage rating of 50V DC and a current rating as specified in Table I. The circuit breaker is designed to provide reliable protection against overcurrent and short circuits. It is suitable for use in a wide range of applications, including aerospace, defense, and industrial equipment. The device incorporates features such as high inrush capability and time delay functionality, as detailed in Table I. Mounting hardware and terminals are specified within the datasheet.

Authorized Distributors
Source:DigiKey
Part No:M39019/03-252S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1751.42
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Part No:M39019/03-252S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1751.41
Buy/RFQ:
Part No:M39019/03-252S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2481.28
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Part No:M39019/03-252S
Stock:42
Inv Date:06-09-2026
Price: Unit price: $1166.36
Buy/RFQ:
Part No:M39019/03-252S
Stock:42
Inv Date:06-09-2026
Price: Unit price: $1166.36
Buy/RFQ:

AIRPAX / SENSATA M3901903252S 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

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901903252S?

You can click on the BUY or RFQ button to purchase M3901903252S from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901903252S?

You can download the M3901903252S datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901903252S?

AIRPAX / SENSATA

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