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FHB Series Fuse Type Isolator Switch Fuse Box
FHB series fuse type isolator is a product with advanced international level in the middle of the 90s. The rated voltage is 800V, rated voltage to 660V, rated current up to 630A, rated frequency 50Hz, power distribution and electric circuit high short-circuit current, used as power switch, isolation switch and emergency switch and circuit protection purposes, but generally not directly as a single motor for opening and closing.
| Convention heatinf current lth | 160A | 250A | 400A | 630A | |||
| Rated insulation voltage Ui | 800V/ 1500V | ||||||
| Rated operating voltage Ue | AC 400V, 690V/ DC 1000V | ||||||
| Rated frequency | 50Hz | ||||||
| Rated connection capacity(A r.m.s) | 10Ie | ||||||
| Rated breaking capacity(A r.m.s) | 8Ie | ||||||
| Rated limit short-circuit current(r.m.s) | 50KA | ||||||
| Rated operating current | 160A | 250A | 400A | 630A | |||
| 100A | 200A | 315A | 425A | ||||
| Mechanical life(times) | 5000 | 3000 | 2000 | 1500 | |||
| Electric life(times) | 1000 | 600 | 400 | 300 | |||
| Weight(3P) kg | 1.2 | 3.6 | 4.8 | 6.5 | |||
| Auxiliary micro switch main parameters | 50Hz, AC-15,230V, 3A | ||||||
| Model/ Size | A | B | C | D | E | F |
| FHB-160/3 | 160 | 200 | 97 | 60 | 200 | 87 |
| FHB-250/3 | 185 | 247 | 128 | 88 | 221 | 87 |
| FHB-400/3 | 210 | 290 | 145 | 97 | 268 | 125 |
| FHB-630/3 | 256 | 300 | 160 | 112 | 285 | 139 |