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AIRPAX / SENSATA M3901905248 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/05-248 is a robust and reliable magnetic circuit breaker designed for critical applications requiring dependable overcurrent protection. This three-pole device features a sealed construction and trip-free mechanism, ensuring safe and consistent operation. It is commonly used in military, aerospace, and industrial equipment where space is limited and high performance is essential. The breaker's design incorporates features for shock and vibration resistance, making it suitable for demanding environments. Its compact size and reliable performance make it a preferred choice for protecting sensitive electronic circuits.

Authorized Distributors
Source:DigiKey
Part No:M39019/05-248
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2108.93
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Part No:M39019/05-248
Stock:1
Inv Date:06-09-2026
Price: Unit price: $1687.24
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Part No:M39019/05-248
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2987.69
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Part No:M39019/05-248
Stock:5
Inv Date:06-09-2026
Price: Unit price: $798.39
Buy/RFQ:
Part No:M39019/05-248
Stock:5
Inv Date:06-09-2026
Price: Unit price: $798.39
Buy/RFQ:

AIRPAX / SENSATA M3901905248 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 150 grams
  • hex_mounting_nut: .375-32 UNEF-2B thread, .093 ±.005 (2.36 ±0.13 mm) thick or equivalent MS25082-20, -B20
  • internal_tooth_lockwasher: .507/.493 O.D., .392/.382 I.D., .025 ±.005 (0.64 ±0.13mm) thick, stainless steel or equivalent MS35333-134
  • effective_bushing_thread_length: .280 (7.11 mm) minimum
  • marking_location: Any surface except the mounting surface
  • lock_ring_requirement: Not required if on-off plate has locking tab
  • numerical_marking: Optional on circuit diagram
  • sealscrew: .138-32 UNC-2A x .312 (7.92 mm) long, stainless steel number 18-8 (type 347) MS35265-25 or equivalent
  • panel_screws_usage: Enhances circuit breaker shock and vibration characteristics
  • threaded_inserts_height: Exceed height of bushing by .005 to .015 (0.13 mm to 0.38 mm)

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901905248?

You can click on the BUY or RFQ button to purchase M3901905248 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901905248?

You can download the M3901905248 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901905248?

AIRPAX / SENSATA

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