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AIRPAX / SENSATA M3901905206 Low-Power Trip-Free Circuit Breaker

The AIRPAX / SENSATA M39019/05-206 is a robust, sealed, low-power, trip-free, three-pole magnetic circuit breaker designed for critical applications within the Department of Defense and other industrial settings. It provides reliable overcurrent protection and is manufactured to meet the stringent requirements of MIL-PRF-39019. The circuit breaker's design ensures safe and dependable operation, contributing to the overall integrity of electrical systems. Its sealed construction enhances durability in harsh environments. The part number indicates specific electrical characteristics and performance parameters, making it suitable for a wide range of applications where precise circuit protection is essential.

Authorized Distributors
Source:DigiKey
Part No:M39019/05-206
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2108.93
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Part No:M39019/05-206
Stock:0
Inv Date:06-10-2026
Price: Unit price: $2108.92
Buy/RFQ:
Part No:M39019/05-206
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2369.38
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Part No:M39019/05-206
Stock:2
Inv Date:06-09-2026
Price: Unit price: $1613.97
Buy/RFQ:
Part No:M39019/05-206
Stock:2
Inv Date:06-09-2026
Price: Unit price: $1613.97
Buy/RFQ:

AIRPAX / SENSATA M3901905206 Low-Power Trip-Free 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
  • main_terminal_screw: MS35265-26 or equivalent
  • dash_number_pin: The PIN shall be M39019/05-(dash number taken from table I)

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901905206?

You can click on the BUY or RFQ button to purchase M3901905206 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901905206?

You can download the M3901905206 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901905206?

AIRPAX / SENSATA

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