KLIXON® 7851 and 7854 series thermal breakers were designed to protect wiring and meet the harshest environmental requirements. The 7851 and 7854 series closed construction circuit breakers are weatherproof sealed for protection against moisture, dust, grease, fuel vapors, and other harsh environments.
| 7851-18-12.5 | 7854-18-35 | 7277-1-0.5 |
| 7851-18-15 | 7854-18-40 | 7277-1-0.75 |
| 7851-18-17.5 | 7854-18-50 | 7277-1-1 |
| 7851-18-20 | 7854-18-60 | 7277-1-1.5 |
| 7851-18-25 | 7854-37-12.5 | 7277-1-10 |
| 7851-18-30 | 7854-37-15 | 7277-1-15 |
| 7851-18-35 | 7854-37-17.5 | 7277-1-2 |
| 7851-18-40 | 7854-37-20 | 7277-1-2.5 |
| 7851-18-50 | 7854-37-25 | 7277-1-20 |
| 7851-18-60 | 7854-37-30 | 7277-1-3 |
| 7851-37-12.5 | 7854-37-35 | 7277-1-4 |
| 7851-37-15 | 7854-37-40 | 7277-1-5 |
| 7851-37-17.5 | 7854-37-50 | 7277-1-7.5 |
| 7851-37-20 | 7854-37-60 | 7277-2-0.5 |
| 7851-37-25 | 7854-26-12.5 | 7277-2-0.75 |
| 7851-37-30 | 7854-26-15 | 7277-2-1 |
| 7851-37-35 | 7854-26-17.5 | 7277-2-1.5 |
| 7851-37-40 | 7854-26-20 | 7277-2-10 |
| 7851-37-50 | 7854-26-25 | 7277-2-15 |
| 7851-37-60 | 7854-26-30 | 7277-2-2 |
| 7851-26-12.5 | 7854-26-35 | 7277-2-2.5 |
| 7851-26-15 | 7854-26-40 | 7277-2-20 |
| 7851-26-17.5 | 7854-26-50 | 7277-2-25 |
| 7851-26-20 | 7854-26-60 | 7277-2-3 |
| 7851-26-25 | 7854-13-12.5 | 7277-2-4 |
| 7851-26-30 | 7854-13-15 | 7277-2-5 |
| 7851-26-35 | 7854-13-17.5 | 7277-2-7.5 |
| 7851-26-40 | 7854-13-20 | 7277-5-0.5 |
| 7851-26-50 | 7854-13-25 | 7277-5-0.75 |
| 7851-26-60 | 7854-13-30 | 7277-5-1 |
| 7851-13-12.5 | 7854-13-35 | 7277-5-1.5 |
| 7851-13-15 | 7854-13-40 | 7277-5-10 |
| 7851-13-17.5 | 7854-13-50 | 7277-5-15 |
| 7851-13-20 | 7854-13-60 | 7277-5-2 |
| 7851-13-25 | 7854-15-12.5 | 7277-5-2.5 |
| 7851-13-30 | 7854-15-15 | 7277-5-20 |
| 7851-13-35 | 7854-15-17.5 | 7277-5-25 |
| 7851-13-40 | 7854-15-20 | 7277-5-3 |
| 7851-13-50 | 7854-15-25 | 7277-5-4 |
| 7851-13-60 | 7854-15-30 | 7277-5-5 |
| 7851-15-12.5 | 7854-15-35 | 7277-5-7.5 |
| 7851-15-15 | 7854-15-40 | MS22073-0.5 |
| 7851-15-17.5 | 7854-15-50 | MS22073-0.75 |
| 7851-15-20 | 7854-15-60 | MS22073-1 |
| 7851-15-25 | 7855-6-175 | MS22073-1.5 |
| 7851-15-30 | 7855-6-200 | MS22073-10 |
| 7851-15-35 | 7855-7-175 | MS22073-2 |
| 7851-15-40 | 7855-7-200 | MS22073-2.5 |
| 7851-15-50 | 9115-5-15 | MS22073-3 |
| 7851-15-60 | 9115-5-20 | MS22073-4 |
| 7854-18-12.5 | 9115-5-25 | MS22073-5 |
| 7854-18-15 | 9115-5-30 | MS22073-7.5 |
| 7854-18-17.5 | 9115-6-15 | MS26574-0.5 |
| 7854-18-20 | 9115-6-20 | MS26574-0.75 |
| 7854-18-25 | 9115-6-25 | MS26574-1 |
| 7854-18-30 | 9115-6-30 | MS26574-1.5 |
| 7270-1-3 | MS24510-A-7½ | MS26574-10 |
| 7270-1-5 | MS24510-A-10 | BACC18U1 |
| 7270-1-7½ | MS24510-A-15 | BACC18U10 |
| 7270-1-10 | 7270-1-38 | BACC18U2 |
| 7270-1-15 | 7270-1-7.5 | BACC18U3 |
| 7270-1-20 | 7270-5-10 | BACC18U5 |
| 7270-1-25 | 7270-5-15 | BACC18U7 |
| 7270-1-30 | 7270-5-20 | MS26574-2 |
| 7270-1-35 | 7270-5-25 | MS26574-2.5 |
| 7270-7 | 7270-5-3 | MS26574-3 |
| 7270-7-3 | 7270-5-30 | MS26574-4 |
| 7270-7-5 | 7270-5-35 | MS26574-5 |
| 7270-7-7½ | 7270-5-5 | MS26574-7.5 |
| 7270-7-10 | 7270-5-7.5 | MS26574-0.5A |
| 7270-7-15 | MS24509-A-7.5 | MS26574-0.75A |
| 7270-7-20 | 7274-11-0.5 | MS26574-1A |
| 7270-7-25 | 7274-11-0.75 | MS26574-1.5A |
| 7270-7-30 | 7274-11-1 | MS26574-10A |
| 7270-7-35 | 7274-11-1.5 | MS26574-2A |
| 7270-3 | 7274-11-10 | MS26574-2.5A |
| 7270-3-3 | 7274-11-15 | MS26574-3A |
| 7270-3-5 | 7274-11-2 | MS26574-4A |
| 7270-3-7½ | 7274-11-2.5 | MS26574-5A |
| 7270-3-10 | 7274-11-20 | MS26574-7.5A |
| 7270-3-15 | 7274-11-25 | 5D0001-1 |
| 7270-3-20 | 7274-11-3 | 5D0001-10 |
| 7270-3-25 | 7274-11-4 | 5D0001-2 |
| 7270-3-30 | 7274-11-5 | 5D0001-3 |
| 7270-3-35 | 7274-11-7.5 | 5D0001-5 |
| 7270-8 | 7274-2-0.5 | 5D0001-7K5 |
| 7270-8-3 | 7274-2-0.75 | MS22073-0.5V |
| 7270-8-5 | 7274-2-1 | MS22073-0.75V |
| 7270-8-7½ | 7274-2-1.5 | MS22073-1V |
| 7270-8-10 | 7274-2-10 | MS22073-1.5V |
| 7270-8-15 | 7274-21-1 | MS22073-10V |
| 7270-8-20 | 7274-21-10 | MS22073-2V |
| 7270-8-25 | 7274-21-2 | MS22073-2.5V |
| 7270-8-30 | 7274-21-3 | MS22073-3V |
| 7270-8-35 | 7274-21-5 | MS22073-4V |
| MS24509-A-5 | 7274-2-15 | MS22073-5V |
| MS24509-A-7½ | 7274-21-7½ | MS22073-7.5V |
| MS24509-A-10 | 7274-2-2 | MS26574-1L |
| MS24509-A-15 | 7274-2-2.5 | MS26574-1 1/2L |
| MS24509-B-5 | 7274-2-20 | MS26574-1/2L |
| MS24509-B-7½ | 7274-2-25 | MS26574-10L |
| MS24509-B-10 | 7274-2-3 | MS26574-2L |
| MS24509-B-15 | 7274-2-4 | MS26574-2 1/2L |
| MS24510-B-5 | 7274-2-5 | MS26574-3L |
| MS24510-B-7½ | 7274-2-7.5 | MS26574-3/4L |
| MS24510-B-10 | 7274-4-0.5 | MS26574-4L |
| MS24510-B-15 | 7274-4-0.75 | MS26574-5L |
| MS24510-A-5 | 7274-4-1 | MS26574-7 1/2L |
| 7274-69-20 | 7274-4-1.5 | 7274-67-1.5 |
| 7274-69-3 | 7274-4-10 | 7274-67-10 |
| 7274-69-4 | 7274-4-15 | 7274-67-15 |
| 7274-69-5 | 7274-4-2 | 7274-67-2 |
| 7274-69-7.5 | 7274-4-2.5 | 7274-67-2.5 |
| 7274-70-1 | 7274-4-20 | 7274-67-20 |
| 7274-70-1 1/2 | 7274-4-25 | 7274-67-3 |
| 7274-70-1/2 | 7274-4-3 | 7274-67-4 |
| 7274-70-10 | 7274-4-4 | 7274-67-5 |
| 7274-70-15 | 7274-4-5 | 7274-67-7.5 |
| 7274-70-2 | 7274-4-7.5 | 7274-68-0.5 |
| 7274-70-2 1/2 | 7274-62-1 | 7274-68-0.75 |
| 7274-70-20 | 7274-62-10 | 7274-68-1 |
| 7274-70-3 | 7274-62-2 | 7274-68-1.5 |
| 7274-70-3/4 | 7274-62-3 | 7274-68-10 |
| 7274-70-4 | 7274-62-5 | 7274-68-15 |
| 7274-70-5 | 7274-62-7K5 | 7274-68-2 |
| 7274-70-7 1/2 | 7274-67-0.5 | 7274-68-2.5 |
| 7276-115-15 | 7274-67-0.75 | 7274-68-20 |
| 7276-115-8 | 7274-67-1 | 7274-68-3 |
| 7274-69-1 | 7274-69-2 | 7274-68-4 |
| 7274-69-1.5 | 7274-69-2.5 | 7274-68-5 |
| 7274-69-10 | 7274-69-0.5 | 7274-68-7.5 |
| 7274-69-15 | 7274-69-0.75 |