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Electrical
Circuit breakers for aviation maintenance and overhaul sourcing. Search by manufacturer part number or NSN. Listings are PartsPerk-owned observations for review — not live inventory or airworthiness approval.
262 owned part identities in this path
Follow the maintenance program and the manufacturer’s cycle or inspection limits. Replace on erratic trip, failed test, or damage — not on a category-page rule of thumb.
Lockout/tagout belongs on the work card whenever a circuit must stay open. Note lockout hardware on the RFQ if you need it with the breaker.
Overload, short, and some nuisance thermal conditions. Diagnose the circuit; do not just upsize the breaker from this catalog.
Start with the manufacturer part number from the illustrated parts catalog or maintenance manual. If an NSN is listed, search that next. Confirm finish, dash number, and engine or airframe applicability before opening an RFQ.
PartsPerk catalog pages show PartsPerk-owned observations only. They are not live stock, not certification, and not OEM affiliation. Exact PN/NSN identity is for sourcing review; publication and sellability require separate approval.
262 PartsPerk-owned parts in Circuit breakers
KLIXON® 2TC14-1 Circuit Breaker - 1 AMP
Approvals and Conformities NSN 5925-01-126-2378 Alternate PN#s 2137159G-1 Product Attributes Country of Origin United States Size 1 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC14-1 Schedule B Code 8536.20.0040
KLIXON® 2TC14-3 Circuit Breaker - 3 AMP
Approvals and Conformities NSN 5925-01-092-5018 Alternate PN#s 2137159G-3, BACC18AA-3 Product Attributes Country of Origin United States Size 3 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC14-3 Schedule B Code 8
KLIXON® 2TC14-5 Circuit Breaker - 5 AMP
Approvals and Conformities NSN 5925-01-093-8477 Alternate PN#s 2137159G-5, 4310-003-5 Product Attributes Country of Origin United States Size 5 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC14-5 Schedule B Code 8
KLIXON® 2TC2-1 Circuit Breaker - 1 AMP
Approvals and Conformities NSN 5925-00-224-7422 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-1 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-1 Schedule B Code 8536.2
KLIXON® 2TC2-10 Circuit Breaker - 10 AMP
Approvals and Conformities NSN 5925-00-886-5428 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-10 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-10 Schedule B Code 8536
KLIXON® 2TC2-15 Circuit Breaker - 15 AMP
Approvals and Conformities NSN 5925-00-886-5436 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-15 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-15 Schedule B Code 8536
KLIXON® 2TC2-2 Circuit Breaker - 2 AMP
Approvals and Conformities NSN 5925-00-224-7425 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-2 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-2 Schedule B Code 8536.2
2TC2-2-1-2 — KLIXON® 2TC2-2-1/2 Circuit Breaker - 2-1/2 AMP
Approvals and Conformities NSN 5925-00-224-7426 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-2-1/2 Product Attributes Country of Origin United States Size 2-1/2 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-2-1/2
KLIXON® 2TC2-20 Circuit Breaker - 20 AMP
Approvals and Conformities NSN 5925-00-886-5440 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-20 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-20 Schedule B Code 8536
KLIXON® 2TC2-25 Circuit Breaker - 25 AMP
Approvals and Conformities NSN 5925-01-586-6554 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-25 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-25 Schedule B Code 8536
KLIXON® 2TC2-4 Circuit Breaker - 4 AMP
Approvals and Conformities NSN 5925-00-224-7474 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-4 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-4 Schedule B Code 8536.2
KLIXON® 2TC2-5 Circuit Breaker - 5 AMP
Approvals and Conformities NSN 5925-00-855-1088 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-5 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-5 Schedule B Code 8536.2
2TC2-7-1-2 — KLIXON® 2TC2-7-1/2 Circuit Breaker - 7-1/2 AMP
Approvals and Conformities NSN 5925-00-468-2757 MIL-SPEC# MIL-C-5809 Alternate PN#s MS3320-7-1/2 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N 2TC2-7 1/2 Schedule B Cod
3-1393247-1 — Potter & Brumfield W31-X2M1G-1 Toggle Circuit Breaker - 1 AMP
Approvals and Conformities NSN 5925-00-406-9653 Alternate PN#s W31-X2M1G-1 Product Attributes Country of Origin Mexico Size 1 AMP Shipping Weight 0.13 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-1 Schedule B Code 8536.20.0040 Pack
3-1393247-2 — Potter & Brumfield W31-X2M1G-10 Toggle Circuit Breaker - 10 AMP
Approvals and Conformities NSN 5925-00-241-1441 Alternate PN#s W31-X2M1G-10 Product Attributes Country of Origin Mexico Size 10 AMP Shipping Weight 0.13 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-10 Schedule B Code 8536.20.0040 P
3-1393247-3 — Potter & Brumfield W31-X2M1G-15 Toggle Circuit Breaker - 15 AMP - 5/Pack
Approvals and Conformities NSN 5925-00-947-8312 Alternate PN#s W31-X2M1G-15 Product Attributes Country of Origin Mexico Size 15 AMP Shipping Weight 0.65 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-15 Schedule B Code 8536.20.0040 P
3-1393247-4 — Potter & Brumfield W31-X2M1G-2 Toggle Circuit Breaker - 2 AMP
Approvals and Conformities NSN 5925-01-308-3468 Alternate PN#s W31-X2M1G-2 Product Attributes Country of Origin Mexico Size 2 AMP Shipping Weight 0.13 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-2 Schedule B Code 8536.20.0040 Pack
3-1393247-5 — Potter & Brumfield W31-X2M1G-20 Toggle Circuit Breaker - 20 AMP
Approvals and Conformities NSN 5925-00-855-3987 Alternate PN#s W31-X2M1G-20 112-220-101 8792069-3 Product Attributes Country of Origin Mexico Size 20 AMP Shipping Weight 0.13 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-20 Schedule
3-1393247-6 — Potter & Brumfield W31-X2M1G-25 Toggle Circuit Breaker - 25 AMP
Approvals and Conformities NSN 5925-00-043-1333 Alternate PN#s W31-X2M1G-25 Product Attributes Country of Origin Mexico Size 25 AMP Shipping Weight 0.13 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-25 Schedule B Code 8536.20.0040 P
3-1393247-7 — Potter & Brumfield W31-X2M1G-3 Toggle Circuit Breaker - 3 AMP
Approvals and Conformities NSN 5925-01-491-9865 Alternate PN#s W31-X2M1G-3 Product Attributes Country of Origin Mexico Size 3 AMP Shipping Weight 0.13 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-3 Schedule B Code 8536.20.0040 Pack
3-1393247-8 — Potter & Brumfield W31-X2M1G-30 Toggle Circuit Breaker - 30 AMP
Approvals and Conformities NSN 5925-00-840-7058 Alternate PN#s W31-X2M1G-30 112-230-101 Product Attributes Country of Origin Mexico Size 30 AMP Shipping Weight 0.13 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-30 Schedule B Code 85
3-1393247-9 — Potter & Brumfield W31-X2M1G-35 Toggle Circuit Breaker - 35 AMP
Approvals and Conformities NSN 5925-00-069-7142 Alternate PN#s W31-X2M1G-35 Product Attributes Country of Origin Mexico Size 35 AMP Shipping Weight 0.13 pounds ECCN EAR99 Color Family Black Manufacturer P/N W31-X2M1G-35 Schedule B Code 8536.20.0040 P
KLIXON® 3TC14-15 Circuit Breaker - 15 AMP
Approvals and Conformities NSN 5925-01-126-5278 Product Attributes Country of Origin Mexico Shipping Weight 0.05 pounds ECCN EAR99 Manufacturer P/N 3TC14-15 Schedule B Code 8536.20.0040 Pack Quantity 1 KLIXON® 3TC14-15 Circuit Breaker - 15 AMP
KLIXON® 3TC14-25 Circuit Breaker - 25 AMP
Approvals and Conformities NSN 5925-01-475-6084 Alternate PN#s 6415885 Product Attributes Country of Origin Mexico Shipping Weight 0.05 pounds ECCN EAR99 Manufacturer P/N 3TC14-25 Schedule B Code 8536.20.0040 Pack Quantity 1 KLIXON® 3TC14-25 Circuit
No. Category pages show PartsPerk-owned observations for sourcing review. Stock, price, trace, and airworthiness stay off the page until a separate publication review.
Yes. Submit quantity, required documents, and need-by date through the sourcing desk. Volume review is human — these pages do not auto-discount.