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AIRPAX / SENSATA M3901906254S Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/06-254S is a critical component in military electrical systems, designed for reliable circuit protection in demanding environments. This low-power, sealed, trip-free three-pole magnetic circuit breaker provides robust protection against overcurrent conditions. It features a voltage and frequency rating of 50V DC and 240V AC, and a high inrush capability, ensuring consistent performance under varying load conditions. The device's construction and specifications adhere to MIL-PRF-39019 standards, guaranteeing quality and interchangeability. Auxiliary contact terminals are available for enhanced functionality, accommodating two number 20 AWG wires. Its robust design and reliable performance make it suitable for a wide range of military applications.

Authorized Distributors
Source:DigiKey
Part No:M39019/06-254S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2597.65
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Part No:M39019/06-254S
Stock:0
Inv Date:06-10-2026
Price: Unit price: $2597.64
Buy/RFQ:
Part No:M39019/06-254S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $3258.8
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Part No:M39019/06-254S
Stock:2
Inv Date:06-09-2026
Price: Unit price: $1987.99
Buy/RFQ:
Part No:M39019/06-254S
Stock:2
Inv Date:06-09-2026
Price: Unit price: $1987.99
Buy/RFQ:

AIRPAX / SENSATA M3901906254S Magnetic Circuit Breaker Specifications:

  • Performance Specification Sheet: MIL-PRF-39019/6H
  • Circuit Breakers: Magnetic, Low-Power, Sealed, Trip-Free Three-Pole
  • 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
  • Weight: Approximately 150 grams
  • Dimensions: See Figure 1
  • Metric Equivalents: Given for general information only
  • Tolerance: ±.031 (0.79 mm)
  • 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: May appear on any surface except the mounting surface
  • Lock Ring: 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: Enhance circuit breaker shock and vibration characteristics
  • Threaded Inserts: Exceed height of bushing by .005 to .015 (0.13 mm to 0.38 mm)

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AIRPAX / SENSATA

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