TBP overvoltage protector (neutral-point / cubicle type TBP-O/131/85)


Scope of Application
Most suitable for compact switchgear in power-plant auxiliary systems, arc-furnace systems and similar applications. The TBP-O/131/85 overvoltage protector is the neutral-point / cubicle-type product in this section, used to protect the electrical equipment in the switchgear against phase-to-phase and phase-to-earth overvoltages.
Environmental Service Conditions
- ◆ Altitude not more than 2000 m;
- ◆ Ambient temperature: -40 ℃ to 40 ℃;
- ◆ Power frequency: 48 Hz to 62 Hz;
- ◆ The power-frequency voltage continuously applied to the arrester shall not exceed its continuous operating voltage;
- ◆ Max. wind speed not exceeding 35 m/s;
- ◆ Areas with seismic intensity of degree 7 and below.
Outline & Installation Dimensions
TBP-O for motor neutral-point protection
| Product type | Height H(mm) |
|---|---|
| 10kVWith gap | 190 |
| 6kVWith gap | 180 |
TBP-131 for cubicles of 10 kV and below
| Product type | Height H(mm) |
|---|---|
| 10kVWith gap | 185 |
| 6kVWith gap | 165 |
| 10kVGapless | 165 |
| 6kVGapless | 145 |
TBP-85 for cubicles of 10 kV and below
| Product type | Height H(mm) |
|---|---|
| 10kVWith gap | 195 |
| 6kVWith gap | 175 |
| 10kVGapless | 175 |
| 6kVGapless | 155 |
General dimension drawing (TBP-O/131/85):The figures and parameter tables above give the complete dimensions and installation data of the TBP-O/131/85 overvoltage protector.

Related Products
Metal-oxide surge arresters of the same series and other types available for selection:









