Medium Voltage Switchboard
Features
- Hyundai medium voltage metal-clad switchboards with withdrawable
circuit-breaker are of single(1)-Tier or two(2)-tier, factory-assembled and
suitable for rated voltage of 7.2kV to 12kV.
The switchboards have been type tested in accordance with related IEC
regulation.
Specification
| Frame work | Formed sheet steel or substantial box-frame |
|---|---|
| Access | Front and rear |
| Protection degree | IP21, IP22, IP32, IP4x |
| Handrail | Front and rear |
| Power line inlet | Bottom or upper part of the rear(upper part, option) |
| 36,000 | 2,000 ~ 3,000 |
HMS-112
- Electrical Characteristics for HMS-112
| Rated voltage (kV) |
Rated 1min power-frequency withstand voltage (kV peak) |
Impulse withstand voltage (kV peak) |
Rated current (A) |
Short-time withstand current for 1s* |
|
|---|---|---|---|---|---|
| (kA rms) | (kA peak) | ||||
| 7.2 | 20 | 60 | 1,250, 2,000 |
25 | 63 |
| 12 | 28 | 75 | 1,250, 2,000 |
25 | 63 |
| Power line inlet | Bottom or upper part of the rear(upper part, option) | ||||
| 36,000 | 2,000 ~ 3,000 | ||||
* For duration > 1s, consult us
- Electrical Characteristics for HMS-112
| Rated voltage(kV) | Rated current(A) | Width(mm) | Depth(mm) | Height(mm) |
|---|---|---|---|---|
| 7.2 | 1,250 | 650* | 1,500 | 2,450 |
| 2,000 | 750 | |||
| 12 | 1,250, 2,000 | 750 | 1,700 | 2,450 |
| 36,000 |
* For duration > 1s, consult us
