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AIRPAX / SENSATA M3901902243 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/02-243 is a sealed, trip-free, one-pole magnetic circuit breaker. It is designed to provide reliable overcurrent protection in a variety of military and industrial applications. The circuit breaker features a compact design and auxiliary contacts for increased versatility. It is manufactured to meet MIL-PRF-39019/2H standards, ensuring consistent performance and quality. The device is suitable for use in systems requiring robust circuit protection and is available with various dash numbers to accommodate different current ratings and time delay characteristics.

Authorized Distributors
Part No:M39019/02-243
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1001.32
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Part No:M39019/02-243
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1256.13
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Part No:M39019/02-243
Stock:6
Inv Date:06-09-2026
Price: Unit price: $927.12
Buy/RFQ:
Part No:M39019/02-243
Stock:6
Inv Date:06-09-2026
Price: Unit price: $927.12
Buy/RFQ:

AIRPAX / SENSATA M3901902243 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 50 grams
  • hex_mounting_nut_thread: .375-32 UNEF-2B thread, .093 ±.005 (2.36 mm ±0.13 mm) thick or equivalent MS250820,-B20
  • internal_tooth_lockwasher: .507/.493 O.D., .392/.382 I.D., .025 ±.005 (0.64 mm ±0.13mm) thick, stainless steel or equivalent MS35333-134
  • auxiliary_contact_terminals: Accommodate two number 20 AWG wires
  • 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
  • dimensions: See figure 1 and note 12
  • tolerance: ±.031 (0.79 mm)

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901902243?

You can click on the BUY or RFQ button to purchase M3901902243 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901902243?

You can download the M3901902243 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901902243?

AIRPAX / SENSATA

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