The HR18 series fuse isolating switch is a type of switch suitable for distribution circuits and motor circuits with high short circuit currents. The switch has an aesthetically pleasing appearance, simple structure, and convenient operation. It complies with relevant standards and is the best choice among similar products.
This manual describes the HR18 series fuse-type isolating switch, suitable for AC 50 Hz circuits up to 660 V and a rated heating current of 630 A. It covers application scope, normal operating conditions, model designation, structural features, technical parameters, dimensions, installation, and ordering information.
The document also gives detailed procedures for replacing fuse elements, routine maintenance, and safety guidelines for proper use in distribution and motor circuits. This manual is written in Chinese.
| Rated Current | 400 A |
|---|---|
| Ambient Temperature Range | -5 °C to +40 °C |
The ambient temperature should not exceed +40 °C and should not be lower than -5 °C.
First disconnect the load, open the upper cover, press the latch to release the fuse, remove the old fuse, and push the new fuse into the slot.