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DC Circuit breaker/SPD/Fuse
| Name | Model Number | Specifications |
| ISTR18D Series Fuse | ISTR18D-32/1P DC1000V | |
| R015 (￠10*38mm) Core | 1-20A ISTR18D-32 DC | |
| R015 (￠10*38mm) Core | 20-30A ISTR18D-32 DC | |
| R015 (￠10*65mm) Core | 32A |
| Name | Model Number | Specifications |
| ISTS6D DC Series Surge Protective Decice | ISTS6D/1P | 20—40KA DC600V |
| ISTS6D/2P 1P+N | 20—40KA DC600V | |
| ISTS6D/3P | 20—40KA DC600V | |
| ISTS6D/4P 3P+N | 20—40KA DC600V | |
| ISTS6D/1P | 20—40KA DC800V | |
| ISTS6D/2P 1P+N | 20—40KA DC800V | |
| ISTS6D/3P | 20—40KA DC800V | |
| ISTS6D/4P 3P+N | 20—40KA DC800V | |
| ISTS6D/1P | 20—40KA DC1000V | |
| ISTS6D/2P 1P+N | 20—40KA DC1000V | |
| ISTS6D/3P | 20—40KA DC1000V | |
| ISTS6D/4P 3P+N | 20—40KA DC1000V | |
| ISTS6D/1P | 60—100KA DC800V | |
| ISTS6D/2P 1P+N | 60—100KA DC800V | |
| ISTS6D/3P | 60—100KA DC800V | |
| ISTS6D/4P 3P+N | 60—100KA DC800V | |
| ISTS6D/1P | 60—100KA DC1000V | |
| ISTS6D/2P 1P+N | 60—100KA DC1000V | |
| ISTS6D/3P | 60—100KA DC1000V | |
| ISTS6D/4P 3P+N | 60—100KA DC1000V |
| Name | Model Number | Specifications |
| ISTB7D-63DC DC Series MCB | ISTB7D-63DC/1P 250V | 6-40A 6kA |
| ISTB7D-63DC/1P 250V | 50-63A 6kA | |
| ISTB7D-63DC/2P 500V | 6-40A 6kA | |
| ISTB7D-63DC/2P 500V | 50-63A 6kA | |
| ISTB7D-63DC/4P 1000V | 6-40A 6kA | |
| ISTB7D-63DC/4P 1000V | 50-63A 6kA |
| Name | Model Number | Specifications |
| ISTM3D-250N DC MCCB | ISTM3D-250N | 2P 500V DC |
| ISTM3D-250N | 3P 750V DC | |
| ISTM3D-250N | 4P 1000V DC |
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