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AIRPAX / SENSATA M3901903239S Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/03-239S is a magnetic, low-power, sealed, trip-free two-pole circuit breaker designed to meet the stringent requirements of military and industrial applications. It features a robust construction and reliable performance, providing overcurrent protection for sensitive electronic equipment. The circuit breaker's sealed design ensures operation in harsh environments, while the trip-free mechanism enhances safety. It is commonly used in aerospace, defense, and industrial control systems where reliable circuit protection is critical. The part number includes a dash number that corresponds to specific characteristics like current rating, time delay, and resistance or impedance.

Authorized Distributors
Source:DigiKey
Part No:M39019/03-239S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1751.42
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Part No:M39019/03-239S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1751.41
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Part No:M39019/03-239S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1786.45
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Part No:M39019/03-239S
Stock:8
Inv Date:06-09-2026
Price: Unit price: $1151.5
Buy/RFQ:
Part No:M39019/03-239S
Stock:8
Inv Date:06-09-2026
Price: Unit price: $1151.5
Buy/RFQ:

AIRPAX / SENSATA M3901903239S 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)
  • effective_bushing_thread_length: 0.280 (7.11 mm) minimum
  • hex_mounting_nut_thread: .375-32 UNEF-2B
  • internal_tooth_lockwasher_od: 0.507/.493
  • internal_tooth_lockwasher_id: 0.392/.382
  • 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 M3901903239S?

You can click on the BUY or RFQ button to purchase M3901903239S from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901903239S?

You can download the M3901903239S datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901903239S?

AIRPAX / SENSATA

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