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AIRPAX / SENSATA M3901901315S Low-Power Trip-Free Circuit Breaker

The AIRPAX / SENSATA M39019/01-315S circuit breaker is a low-power, trip-free magnetic circuit breaker conforming to MIL-PRF-39019. Designed for reliable circuit protection, this breaker offers a compact form factor and is suitable for use in various military and industrial applications. It provides overcurrent protection and incorporates a trip-free mechanism for enhanced safety. The device's specifications, including current ratings, time delays, and resistance/impedance values, are detailed in Table I of the MIL-PRF-39019/1H standard. Refer to Table II for cross-reference of superseded part numbers. Mounting hardware and terminals are specified in Figure 1.

Authorized Distributors
Source:Newark
Part No:M39019/01-315S
Stock:2
Inv Date:06-09-2026
Price: Unit price: $1301.11
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Source:DigiKey
Part No:M39019/01-315S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1006.91
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Part No:M39019/01-315S
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1006.91
Buy/RFQ:
Part No:M39019/01-315S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1263.21
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Part No:M39019/01-315S
Stock:2
Inv Date:06-09-2026
Price: Unit price: $942.51
Buy/RFQ:
Part No:M39019/01-315S
Stock:2
Inv Date:06-09-2026
Price: Unit price: $942.51
Buy/RFQ:

AIRPAX / SENSATA M3901901315S 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 50 grams
  • hex_mounting_nut_thread: .375-32 UNEF-2B thread, .093 ±.005 (2.36 mm ±0.13 mm) thick or equivalent MS25082-20, -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
  • 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
  • terminal_screw: MS35265-26 or equivalent

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901901315S?

You can click on the BUY or RFQ button to purchase M3901901315S from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901901315S?

You can download the M3901901315S datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901901315S?

AIRPAX / SENSATA

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