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AIRPAX / SENSATA M3901905333 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/05-333 is a magnetic circuit breaker designed for critical applications demanding reliable circuit protection. This low-power, sealed, trip-free three-pole breaker is built to MIL-PRF-39019 standards, ensuring robust performance in demanding environments. It features a range of current and voltage ratings, making it suitable for diverse industrial and military applications. The breaker's sealed design protects against environmental contaminants, while the trip-free mechanism enhances safety. Its compact size and mounting hardware options allow for easy integration into various systems.

Authorized Distributors
Source:Newark
Part No:M39019/05-333
Stock:1
Inv Date:06-09-2026
Price: Unit price: $2321.66
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Source:DigiKey
Part No:M39019/05-333
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2254.04
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Part No:M39019/05-333
Stock:0
Inv Date:06-10-2026
Price: Unit price: $2254.03
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Part No:M39019/05-333
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2185.84
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Part No:M39019/05-333
Stock:1
Inv Date:06-09-2026
Price: Unit price: $2059.5
Buy/RFQ:
Part No:M39019/05-333
Stock:1
Inv Date:06-09-2026
Price: Unit price: $2059.5
Buy/RFQ:

AIRPAX / SENSATA M3901905333 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 M3901905333?

You can click on the BUY or RFQ button to purchase M3901905333 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901905333?

You can download the M3901905333 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901905333?

AIRPAX / SENSATA

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