Switches & Circuit Breakers
ATA · 2171 parts
Switches & Circuit Breakers brings together the parts, hardware, and consumables your maintenance program calls out for this system. Each listing shows its condition and the certification paperwork available for that part, from new PMA/OEM stock to overhauled and serviceable units, so you can confirm airworthiness before buying and request an FAA 8130-3 or manufacturer Certificate of Conformance where one applies.
$74.50
Price and availability checked Oct 31, 2026 MST
In stock
$66.27
Price and availability checked Oct 31, 2026 MST
In stock
$42.78
Price and availability checked Oct 31, 2026 MST
In stock
$59.87
Price and availability checked Oct 31, 2026 MST
In stock
$66.93
Price and availability checked Oct 31, 2026 MST
Backorder
$13.73
Price and availability checked Oct 31, 2026 MST
In stock
$7.80
Price and availability checked Oct 31, 2026 MST
In stock
$5.82
Price and availability checked Oct 31, 2026 MST
In stock
$9.02
Price and availability checked Oct 31, 2026 MST
In stock
$8.96
Price and availability checked Oct 31, 2026 MST
In stock
$10.07
Price and availability checked Oct 31, 2026 MST
In stock
$9.96
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-30/30 Amp Circuit Breaker 4-1393249-6
P/N 4-1393249-6
NE
Te Connectivity
$16.30
Price and availability checked Oct 31, 2026 MST
Backorder
$16.35
Price and availability checked Oct 31, 2026 MST
Backorder
$7.86
Price and availability checked Oct 31, 2026 MST
In stock
$10.12
Price and availability checked Oct 31, 2026 MST
In stock
W31X2M1G-35 Circuit Breaker/35 Amp, AC: 240V, DC: 50V, 50 Vdc, panel mount, 1 pole, toggle actuator, silver, screw termination. Height: 35.15 mm Length: 40.64 mm Width: 17.53 mm 3-1393247-9
NE
P/N 3-1393247-9
$74.50
Price and availability checked Oct 31, 2026 MST
In stock
W31X2M1G-40 Circuit Breaker/40 Amp, AC: 240V, DC: 50V, 50 Vdc, panel mount, 1 pole, toggle actuator, silver, screw termination. Height: 35.15 mm Length: 40.64 mm Width: 17.53 mm 4-1393247-1
NE
P/N 4-1393247-1
$66.27
Price and availability checked Oct 31, 2026 MST
In stock
W31X2M1G-5/5 Amp Circuit Breaker/5 Amp, AC: 240V, DC: 50V, 50 Vdc, panel mount, 1 pole, toggle actuator, silver, screw termination. Height: 35.15 mm Length: 40.64 mm Width: 17.53 mm 4-1393247-2
NE
P/N 4-1393247-2
$42.78
Price and availability checked Oct 31, 2026 MST
In stock
W31X2M1G-50 Circuit Breaker/50 Amp, AC: 240V, DC: 50V, 50 Vdc, panel mount, 1 pole, toggle actuator, silver, screw termination. Height: 35.15 mm Length: 40.64 mm Width: 17.53 mm 4-1393247-3
NE
P/N 4-1393247-3
$59.87
Price and availability checked Oct 31, 2026 MST
In stock
W31X2M1G-7.5 Circuit Breaker/7.5 Amp, AC: 240V, DC: 50V, 50 Vdc, panel mount, 1 pole, toggle actuator, silver, screw termination. Height: 35.15 mm Length: 40.64 mm Width: 17.53 mm 4-1393247-4
NE
P/N 4-1393247-4
$66.93
Price and availability checked Oct 31, 2026 MST
Backorder
W58XC4C12A-1 Circuit Breaker/1 Amp, AC: 250V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 3-1393249-9
NE
P/N 3-1393249-9
$13.73
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-10 Circuit Breaker/10 Amp, AC: 250V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 4-1393249-0
NE
P/N 4-1393249-0
$7.80
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-15 Circuit Breaker/15 Amp, AC: 250V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 4-1393249-1
NE
P/N 4-1393249-1
$5.82
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-2 Circuit Breaker/2 Amp, AC: 250V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 4-1393249-2
NE
P/N 4-1393249-2
$9.02
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-20 Circuit Breaker/20 Amp, AC: 250V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 4-1393249-3
NE
P/N 4-1393249-3
$8.96
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-25 Circuit Breaker/25 Amp, AC: 250V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 4-1393249-4
NE
P/N 4-1393249-4
$10.07
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-3 Circuit Breaker/ 3 Amp, AC: 250 V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 4-1393249-5
NE
P/N 4-1393249-5
$9.96
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-30/30 Amp Circuit Breaker 4-1393249-6
NE
P/N 4-1393249-6
Te Connectivity
$16.30
Price and availability checked Oct 31, 2026 MST
Backorder
W58XC4C12A-4 Circuit Breaker/4 Amp, AC: 250V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 4-1393249-8
NE
P/N 4-1393249-8
$16.35
Price and availability checked Oct 31, 2026 MST
Backorder
W58XC4C12A-5 Circuit Breaker/5 Amp, AC: 250V, DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm 4-1393249-9
NE
P/N 4-1393249-9
$7.86
Price and availability checked Oct 31, 2026 MST
In stock
W58XC4C12A-7 Circuit Breaker/7 Amp, AC: 250V DC: 50V, 250 Vac, panel mount, 1 pole, push button actuator, white, screw termination. Height: 34.93 mm Length: 34.93 mm Width: 16.76 mm. 5-1393249-0
NE
P/N 5-1393249-0
$10.12
Price and availability checked Oct 31, 2026 MST
In stock