Product Overview
- Type: Vacuum Circuit Breaker (VCB)
- Series: EH550 (Part of ABB’s UniGear or ZS1 switchgear lines)
- Voltage Class: 12-24kV (Exact rating depends on configuration)
Application:
- Primary substation protection
- Industrial power distribution
- Renewable energy plants
Key Specifications
- Parameter Value
Rated Voltage 12/17.5/24 kV
Rated Current 630A/1250A/2500A
Short-Circuit Current 25kA/31.5kA
Interrupting Medium Vacuum
Mechanical Life 10,000–30,000 operations
Control Voltage 110/220V DC or 110/230V AC
Features
- ✔ Spring-operated mechanism (motor-charged)
✔ Integrated protection relays (optional)
✔ Padlockable for safety
✔ Compact design for switchgear retrofits
Typical Use Case
- Installed in UniGear ZS1 or ReliaGear switchgear panels
- Often paired with REF615 or REJ601 protection relays
Ordering Notes
- SK827005 is likely a service kit or spare part number
- Confirm exact compatibility with your switchgear model
Support
- For datasheets or manuals:
- Search ABB’s “EH Series Circuit Breakers” documentation
- Contact ABB’s Medium Voltage Service team
