

| Sales Contact | C. S. Paek | +82-52-202-8111 | cspaek@hhi.co.kr |
|---|---|---|---|
| T. R. Kim | +82-52-202-8110 | trkim@hhi.co.kr |



Hyundai medium voltage metal-clad switchboards with withdrawable
circuit-breaker are single - tier or two -tier, factory-assembled,
and suitable for rated voltage of 7.2 kV to 12 kV.
The switchboards have been type tested in accordance with related
IEC regulations.

| 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 |
Electrical Characteristics for HMS-112
| Rated Voltage (kV) |
Rated 1min Power-Frequency Withstand Volate (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 (upper part optional) | ||||
| 36,000 | 2,000~3,000 | ||||
* For duration > 1s, contact us
| 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, contact us