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AIRPAX / SENSATA M3901906258 Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/06-258 is a critical component for electrical circuit protection in military and industrial applications. This low-power, sealed, trip-free three-pole magnetic circuit breaker is designed to interrupt fault currents and protect sensitive equipment. It incorporates auxiliary contacts for enhanced monitoring and control capabilities. The device meets stringent MIL-PRF-39019 standards, ensuring reliability and performance in demanding environments. Its robust construction and sealed design provide protection against dust, moisture, and other contaminants, making it suitable for use in harsh conditions. The circuit breaker's trip-free mechanism ensures consistent and reliable operation, while its compact size and versatile mounting options simplify integration into various systems.

Authorized Distributors
Source:DigiKey
Part No:M39019/06-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2263.11
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Part No:M39019/06-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2263.1
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Part No:M39019/06-258
Stock:0
Inv Date:06-09-2026
Price: Unit price: $3206.01
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Part No:M39019/06-258
Stock:4
Inv Date:06-09-2026
Price: Unit price: $1731.91
Buy/RFQ:
Part No:M39019/06-258
Stock:4
Inv Date:06-09-2026
Price: Unit price: $1731.91
Buy/RFQ:

AIRPAX / SENSATA M3901906258 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_details: .138-32 UNC-2A x .312 (7.92 mm) long, stainless steel number 18-8 (type 347) MS35265-25 or equivalent with appropriate O-rings
  • panel_screw_usage: Enhances circuit breaker shock and vibration characteristics
  • threaded_insert_height: Exceeds 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 M3901906258?

You can click on the BUY or RFQ button to purchase M3901906258 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901906258?

You can download the M3901906258 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901906258?

AIRPAX / SENSATA

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