Product Overview
- Type: Vacuum Circuit Breaker (VCB)
- Series: EH800 (Part of ABB’s UniGear or ZS1 switchgear family)
- Voltage Class: 12kV / 17.5kV / 24kV (depending on configuration)
Application:
- Primary distribution protection (substations, industrial plants)
- Renewable energy integration (wind/solar farms)
- Motor feeder protection
Key Specifications
- Parameter Value
Rated Voltage (Ur) 12/17.5/24 kV
Rated Current (In) 1250A / 2500A / 3150A
Short-Circuit Current (Isc) 25kA / 31.5kA / 40kA
Breaking Medium Vacuum Interrupter
Mechanical Life 10,000–30,000 operations
Control Voltage DC 110/220V or AC 110/230V
Operating Mechanism Spring-stored energy (motor-charged)
Product Features
- ✔ High breaking capacity (up to 40kA)
✔ Low maintenance (sealed vacuum interrupters)
✔ Safety interlocks (prevents closing on fault)
✔ Compact & modular (fits ABB UniGear ZS1 panels)
✔ Optional protections (microprocessor relays like REF615)
Mechanical & Installation Data
- Mounting: Fixed or withdrawable (depending on switchgear)
- Dimensions: ~800mm (H) × 500mm (W) × 400mm (D)
- Weight: Approx. 150–200 kg (depends on configuration)
- Ambient Temperature: -25°C to +40°C
Ordering & Support
- ABB Part No.: SK828005 (likely a service kit or spare part)
- Typical Replacement For: EH800 circuit breakers in ZS1 switchgear
Accessories:
- Auxiliary contacts
- Spring charging motors
- Lockout devices
