myMectronic
myMectronic

A Premier B2B Part Search

AIRPAX / SENSATA M3901901254S Magnetic Circuit Breaker

The AIRPAX / SENSATA M39019/01-254S is a low-power, magnetic, trip-free, one-pole circuit breaker conforming to MIL-PRF-39019. It is designed to provide overcurrent protection in a variety of military and industrial applications. The circuit breaker features a sealed construction to prevent contamination and ensure reliable operation. It is characterized by its compact size, low power consumption, and quick-acting trip mechanism. The device is suitable for use in electronic equipment, control panels, and other applications where overcurrent protection is required. Dimensions vary based on dash number, with metric equivalents provided for general information. Mounting hardware includes a hex nut and lockwasher.

Authorized Distributors
Source:Newark
Part No:M39019/01-254S
Stock:2
Inv Date:06-09-2026
Price: Unit price: $1009.69
Buy/RFQ:
Source:DigiKey
Part No:M39019/01-254S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $961.06
Buy/RFQ:
Part No:M39019/01-254S
Stock:0
Inv Date:06-10-2026
Price: Unit price: $961.06
Buy/RFQ:
Part No:M39019/01-254S
Stock:0
Inv Date:06-09-2026
Price: Unit price: $980.28
Buy/RFQ:
Part No:M39019/01-254S
Stock:15
Inv Date:06-09-2026
Price: Unit price: $737.65
Buy/RFQ:
Part No:M39019/01-254S
Stock:15
Inv Date:06-09-2026
Price: Unit price: $737.65
Buy/RFQ:

AIRPAX / SENSATA M3901901254S 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
  • mounting_hardware: See figure 1
  • terminals: See figure 1
  • pin: The PIN shall be M39019/01-(dash number taken from table I)
  • tolerance: ±.031 (0.79 mm)
  • effective_bushing_thread_length: 0.280 (7.11 mm) minimum

Buy the M39019/01-254S AIRPAX / SENSATA Magnetic Circuit Breaker | myMectronic

Purchase the M39019/01-254S circuit breaker securely and efficiently through our online platform.

Buy Now

Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M3901901254S?

You can click on the BUY or RFQ button to purchase M3901901254S from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M3901901254S?

You can download the M3901901254S datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M3901901254S?

AIRPAX / SENSATA

AIRPAX / SENSATA Part List

Browse and search other AIRPAX / SENSATA parts, locate datasheets and stock

Sponsored by