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AIRPAX / SENSATA M3901903249S Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/03-249S is a robust magnetic circuit breaker designed for critical applications requiring reliable overcurrent protection. It features a trip-free mechanism and sealed construction for enhanced performance in harsh environments. The breaker's design incorporates specific voltage and frequency ratings, along with high inrush and current rating capabilities, making it suitable for military, aerospace, and industrial equipment. Its compact size and standardized mounting hardware ensure easy integration into existing systems. The part number is crucial for accurate ordering and replacement.

Authorized Distributors
Source:DigiKey
Part No:M39019/03-249S
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1751.42
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Part No:M39019/03-249S
Stock:0
Inv Date:06-13-2026
Price: Unit price: $1751.41
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Part No:M39019/03-249S
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1794.79
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Part No:M39019/03-249S
Stock:9
Inv Date:06-12-2026
Price: Unit price: $1135.46
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Part No:M39019/03-249S
Stock:2
Inv Date:06-12-2026
Price: Unit price: $542.057
Buy/RFQ:
Part No:M39019/03-249S
Stock:9
Inv Date:06-12-2026
Price: Unit price: $1135.46
Buy/RFQ:

AIRPAX / SENSATA M3901903249S 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
  • pin: M39019/03-(dash number taken from table I)
  • tolerance: ±.031 (0.79 mm)
  • hex_mounting_nut_thread: .375-32 UNEF-2B
  • internal_tooth_lockwasher_od: .507/.493
  • internal_tooth_lockwasher_id: .392/.382
  • effective_bushing_thread_length: .280 (7.11 mm) minimum
  • 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 M3901903249S?

You can click on the BUY or RFQ button to purchase M3901903249S from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901903249S?

You can download the M3901903249S datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901903249S?

AIRPAX / SENSATA

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