Catalogs > Industrial Controls Catalog > Motor Control, NEMA > Fuse Blocks
Fuse Blocks
Product Selection
Fuse Blocks
| Fuse Clip Rating [A] |
Maximum Voltage [V] |
No. of Poles | Control Circuit Fuses | Power Circuit Fuses | |||||
| Class CC | Class H | Class J | Class R | Class C (HRC Form II) |
|||||
| Cat. No. | Cat. No. | Cat. No. | Cat. No. | Cat. No. | |||||
| 30 | 250 | 1 | — | 1491-N121 | — | — | — | ||
| 2 | 1491-N122 | — | |||||||
| 3 | 1491-N125 | 1491-N125 | |||||||
| 600 | 1 | — | 1491-N161 | — | — | — | |||
| 2 | 1491-R162 | — | — | — | — | ||||
| 3 | — | 1491-N126 | 1491-N126 | 1491-R126 | 1491-E126 | ||||
| 60 | 250 | 3 | — | 1491-N226 | — | 1491-R226 | — | ||
| 600 | 3 | — | 1491-N266 | 1491-N266 | 1491-R266 | 1491-E266 | |||
| 100 | 250…600 | 1 | — | ¬ | 1491-N321 | ¬ | 1491-N321 | — | — |
| 2 | T | T | — | — | |||||
| 3 | 1491-N333 | 1491-N333 | 1491-R333 | 1491-E333 | |||||
| 200 | 250…600 | 1 | — | 1491-N421 | 1491-N421 | — | — | ||
| 2 | ‡ | ‡ | — | — | |||||
| 3 | 1491-N433 | 1491-N433 | 1491-R433 | 1491-E433 | |||||
| 400 | 250…600 | 1 | — | 1491-N521 | 1491-N521 | 1491-R521 | 1491-E521 | ||
| 2 | § | § | — | — | |||||
| 3 | § | § | — | — | |||||
| 600 | 250…600 | 1 | — | 1491-N621 | 1491-N621 | 1491-R621 | — | ||
| 2 | Ø | — | ª | ||||||
| 3 | z ª | z ª | v ª | ||||||
| ¬ These fuse blocks have porcelain bases. | |||||||||
| T For 2-pole applications use two of Cat. No. 1491-N321. | |||||||||
| ‡ For 2-pole applications use two of Cat. No. 1491-N421. | |||||||||
| § For 2-pole applications use two of Cat. No. 1491-N521. | |||||||||
| § For 3-pole applications use three of Cat. No. 1491-N521. | |||||||||
| Ø For 2-pole applications use two of Cat. No. 1491-N621. | |||||||||
| z For 3-pole applications use three of Cat. No. 1491-N621. | |||||||||
| ª For 2-pole applications use two of Cat. No. 1491-R621. | |||||||||
| v For 3-pole applications use three of Cat. No. 1491-R621. | |||||||||
| ª Require lug kit, Cat. No. 1494R-N11, if crimped lugs are not used. | |||||||||