ferj646
MERSEN J646 Fuse Reducer Rejection 400 A to, 600 A, 600 V, J Class
Fuse reducer allow the use of lower rated fuses in existing equipment having clips with higher ampere ratings. The use of closer rated time-delay fuses can improve circuit protection. Rejection-type reducer allow only class J fuses to fit class J clips.
Brand Name | Ferraz Shawmut | Item Name | Fuse Reducer |
Type | Rejection | Voltage Rating | 600 V |
Reduced Fuse Amperage Rating | 400 A | Class | J |
Fuse Clip Amperage Rating | 600 A | Standards | UL Listed Guide No. IZZR, CSA Certified |
Application | Mersen fuse reducers allow the use of lower rated fuses in existing equipment having clips with higher ampere ratings. The use of closer rated time-delay fuses can improve circuit protection. For example, renewable or one-time fuses feeding a motor can be replaced with fuses sized closer to the motor nameplate current. Non-rejection reducers will allow Class H, K or R fuses to fit Class H or K clips. Rejection-type reducers will allow only Class R fuses to fit Class R clips or only Class J fuses to fit Class J clips. Class J fuse reducers are not for bolt on applications. | UPC | 782001753528 |
1 - Unit |