Product Overview
The ZR3QB series automatic changeover switchgear is a CB-level dual-power conversion product, suitable for buildings, shops, computer rooms, fire protection, and small-capacity industrial control circuits. The product supports both automatic and manual operation and can be configured according to the controller configuration to enable generator set linkage, fire protection linkage, voltage monitoring, and switching delay functions, ensuring continuous power supply for critical loads.
Core parameters
- Rated current: 6A~63A
- Number of poles: 3P, 4P
- Rated operating voltage: AC400V
- Rated insulation voltage: 500V
- Rated impulse withstand voltage: 6kV
- Usage category: AC-33iB
- Electrical grade: CB class
- Fragmentation capability: N-type, H-type
- Controllers: A, B, C, and D types available
- Standards: GB/T 14048.11, IEC 60947-6-1
Product features