Description
Fuse isolator switch structure is simple, easy to install and disassemble. The base, handle, and arc extinguishing cover are made of arc-resistant plastic, which has good mechanical strength, flame retardancy and dielectric properties. The bar switch can be inserted into fuse body as a moving contact, or it can be directly used as a isolator switch with a blade.
Specification
| Model | ATO-FIS-HG2B | |||
| Rated Thermal Current (Ith) | 160A | 250A | 400A | 630A |
| Rated Isolation Voltage (Ui) | 690V | |||
| Rated Working Voltage | AC 400V/660V | |||
| Rated Frequency | 50Hz | |||
| Rated Working Current (400V/AC-23B) | 160A | 250A | 400A | 630A |
| Rated Working Current (660V/AC-22B) | 100A | 200A | 315A | 425A |
| Rated Making Capacity (Ar.m.s) | 10Ie | |||
| Rated Breaking Capacity (Ar.m.s) | 8Ie | |||
| Rated Limited Short-Circuit Current | 50kA | |||
| Certification | CE | |||
| Mechanical Life (times) | 3000 | 2000 | 1000 | 1000 |
| Electrical Life (times) | 600 | 400 | 200 | 200 |
| Consumption Power | 12W | 24W | 34W | 48W |
Matching Relationship of Switch and Fuse
| Rated Thermal Current | Fuse Size | Fuse Rated Current (A) |
| 160A | NT100 | 32, 63, 80, 100, 125, 160 |
| 250A | NT3 | 200, 250 |
| 400A | NT3 | 315, 355, 400 |
| 630A | NT3 | 425, 500, 630 |
160A Isolator Switch Installation Dimension (mm)
| Rated Thermal Current | Phase | A | B | C | D | h | a |
| 160A | 3-Phase | 448 | 49 | 120 | 205 | 50 | 100 |
| Single Phase | 650 | 49 | 150 | 230 | 90 | 185 |
250/400/630A Isolator Switch Installation Dimension (mm)
| Rated Thermal Current | Phase | A | B | C | D | h | a |
| 250A/400A/630A | 3-Phase | 764 | 98 | 195 | 457 | 105 | 185 |
| Single Phase | 764 | 98 | 195 | 300 | 105 | 185 |
Tips: Fuse isolator switch structure features.
- Fuse isolator switch is mainly composed of base, handle, arc extinguishing cover and other parts.
- Three sets of static contacts are directly installed on the base, and fuse body is installed in the handle to directly serve as moving contact blade.
- Handle can be opened in a fan-shaped rotation along the fulcrum on base, so that the fuse can be completely pulled out of static contact. The handle can also be easily removed from the base to facilitate switch installation and safe installation/removal of the fuse.
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