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AIRPAX / SENSATA M3901903328 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/03-328 is a robust magnetic circuit breaker designed for critical applications requiring reliable overcurrent protection. This two-pole device offers a voltage rating of up to 240V AC and a maximum current rating dependent on the dash number, providing flexibility for diverse circuit designs. Its sealed construction ensures protection against environmental factors, while the trip-free mechanism enhances safety. Common applications include military and aerospace systems, industrial control panels, and other demanding environments where circuit protection is paramount. The component's design incorporates features like hex mounting nuts and internal tooth lockwashers for secure installation and vibration resistance.

Authorized Distributors
Source:Newark
Part No:M39019/03-328
Stock:1
Inv Date:06-09-2026
Price: Unit price: $2100.37
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Part No:M39019/03-328
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1625.4
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Part No:M39019/03-328
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2039.19
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Part No:M39019/03-328
Stock:5
Inv Date:06-09-2026
Price: Unit price: $1469.98
Buy/RFQ:
Part No:M39019/03-328
Stock:5
Inv Date:06-09-2026
Price: Unit price: $1469.98
Buy/RFQ:

AIRPAX / SENSATA M3901903328 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 M3901903328?

You can click on the BUY or RFQ button to purchase M3901903328 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901903328?

You can download the M3901903328 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901903328?

AIRPAX / SENSATA

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