| DTB 145/170 kV | 145PM40-B | 145PM40-C | 145PM63-B | 145PMI | |
|---|---|---|---|---|---|
| Rated voltage | kV | 123-170 | 123-145 | 123-145 | 123-145, 170 |
| Short-circuit breaking current | kA | 40 | 40 | 40-63 | 40-63, 40-50 |
| Rated current | A | 3150 | 3150 | 4000 | 4000 |
| Break time | cycles | 3 | 3 | 3 | 3 |
| Closing and latching current | kA | 104 | 104 | 104-164 | 104-164, 104-130 |
| Operation type | Three-pole operated | Three-pole operated | Three-pole operated | Single-pole operated |
Dead Tank Circuit Breaker 123 -170 kV
Compact and preset from factory for rapid installation
The 123-170 kV Dead Tank Breakers feature a small footprint and a single piece interrupter with factory aligned contacts that reduce installation and maintenance costs.
Applications
- Line, transformer, reactor and capacitor switching
- Point-on-wave switching
- High seismic applications
- High altitude applications
Why Hitachi ABB Power Grids?
- Enhanced safety and simplified maintenance
- Rated up to 70 kA with no external line to ground capacitors
- Spring-spring operating mechanism available up to 40 kA
- Slipover current transformers that are added or removed without disassembly, reducing maintenance downtime and eliminating contamination risk
- Widely installed base in all environments and applications
- Global service organization, local everywhere
- 10 year warranty on the HMB operating mechanism for 63 kA breakers
Brief performance data
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