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.
Toggle Switch/Spdt (single pole double throw), On-Off-On, screw terminals, environmentally sealed. 8503K12
P/N 8503K12
NE
Eaton
$70.79
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spst (single pole single throw), None-Off-On, panel mount, screw terminals, environmental seal.
P/N 8503K15
NE
Eaton
Quote only
Backorder
Toggle Switch/Spst (single pole single throw), Off-None-On, screw terminals. 8503K19
P/N 8503K19
NE
Eaton
$75.66
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed.
P/N 8503K2
NE
Eaton
$54.90
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-Off-On, panel mount.
P/N 8503K3
NE
Eaton
Quote only
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Toggle Switch/Spdt (single pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed.
P/N 8503K33
NE
Eaton
Quote only
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1 Pole Lever Lock Switch - On/Off><on 8503K34
P/N 8503K34
NE
Eaton
$57.40
Price and availability checked Nov 5, 2026 MST
Backorder
1 Pole Lever Lock Switch - On>none/On 8503K36
P/N 8503K36
NE
Eaton
$74.21
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spst (single pole single throw), On-Off-None, panel mount. 8503K37
P/N 8503K37
NE
Eaton
$100.40
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-Off-On, panel mount. 8503K4
P/N 8503K4
NE
Eaton
$80.90
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-None-On, panel mount, screw terminal, environmentally sealed. 8503K6
P/N 8503K6
NE
Eaton
$87.74
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-None-On, panel mount. 8503K7
P/N 8503K7
NE
Eaton
Quote only
Backorder
Toggle Switch/Spst (single pole single throw), On-None-Off, panel mount, screw terminals, environmentally sealed. 8503K9
P/N 8503K9
NE
Eaton
$77.48
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed. 8504K1
P/N 8504K1
NE
Eaton
$113.86
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpst (double pole single throw), On-None-Off, screw terminals, environmentally sealed. 8504K10
P/N 8504K10
NE
Eaton
$105.13
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed.
P/N 8504K12
NE
Eaton
Quote only
Backorder
Toggle Switch/Dpst (double pole single throw), On-None-On, panel mount, lever lock, momentary contact. MS24659-30F
P/N MS24659-30F
NE
Eaton
$103.67
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, panel mount, lever lock. 8504K33
P/N 8504K33
NE
Eaton
Quote only
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2 Pole Lever Lock Switch - On>none/Off
P/N 8504K35
NE
Eaton
$72.02
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed.
P/N 8504K40
NE
Eaton
$73.04
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-On-On, screw terminals, environmentally sealed. 8504K43
P/N 8504K43
NE
Eaton
Quote only
Backorder
Toggle Switch/Dpdt (double pole double throw), On-On-On, screw terminals, environmentally sealed. 8504K6
P/N 8504K6
NE
Eaton
$173.15
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-Off-On, screw terminals, environmentally sealed. 8503K12
NE
P/N 8503K12
Eaton
$70.79
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spst (single pole single throw), None-Off-On, panel mount, screw terminals, environmental seal.
NE
P/N 8503K15
Eaton
Quote only
Backorder
Toggle Switch/Spst (single pole single throw), Off-None-On, screw terminals. 8503K19
NE
P/N 8503K19
Eaton
$75.66
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed.
NE
P/N 8503K2
Eaton
$54.90
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-Off-On, panel mount.
NE
P/N 8503K3
Eaton
Quote only
Backorder
Toggle Switch/Spdt (single pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed.
NE
P/N 8503K33
Eaton
Quote only
Backorder
1 Pole Lever Lock Switch - On/Off><on 8503K34
NE
P/N 8503K34
Eaton
$57.40
Price and availability checked Nov 5, 2026 MST
Backorder
1 Pole Lever Lock Switch - On>none/On 8503K36
NE
P/N 8503K36
Eaton
$74.21
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spst (single pole single throw), On-Off-None, panel mount. 8503K37
NE
P/N 8503K37
Eaton
$100.40
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-Off-On, panel mount. 8503K4
NE
P/N 8503K4
Eaton
$80.90
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-None-On, panel mount, screw terminal, environmentally sealed. 8503K6
NE
P/N 8503K6
Eaton
$87.74
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-None-On, panel mount. 8503K7
NE
P/N 8503K7
Eaton
Quote only
Backorder
Toggle Switch/Spst (single pole single throw), On-None-Off, panel mount, screw terminals, environmentally sealed. 8503K9
NE
P/N 8503K9
Eaton
$77.48
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed. 8504K1
NE
P/N 8504K1
Eaton
$113.86
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpst (double pole single throw), On-None-Off, screw terminals, environmentally sealed. 8504K10
NE
P/N 8504K10
Eaton
$105.13
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed.
NE
P/N 8504K12
Eaton
Quote only
Backorder
Toggle Switch/Dpst (double pole single throw), On-None-On, panel mount, lever lock, momentary contact. MS24659-30F
NE
P/N MS24659-30F
Eaton
$103.67
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, panel mount, lever lock. 8504K33
NE
P/N 8504K33
Eaton
Quote only
Backorder
2 Pole Lever Lock Switch - On>none/Off
NE
P/N 8504K35
Eaton
$72.02
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, panel mount, screw terminals, environmentally sealed.
NE
P/N 8504K40
Eaton
$73.04
Price and availability checked Nov 5, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-On-On, screw terminals, environmentally sealed. 8504K43
NE
P/N 8504K43
Eaton
Quote only
Backorder
Toggle Switch/Dpdt (double pole double throw), On-On-On, screw terminals, environmentally sealed. 8504K6
NE
P/N 8504K6
Eaton
$173.15
Price and availability checked Nov 5, 2026 MST
Backorder