Sets and Others
ZPQ Series Automatic Transfer Switches for Dual Power Supplies
Automatically switches between two power sources to ensure uninterrupted power supply for critical loads.

ZPQ Series Automatic Transfer Switches for Dual Power Supplies
Model:ZPQ-63 / 250 / 630
Automatically switches between two power sources to ensure uninterrupted power supply for critical loads.
Product Features
- PC-level and CB-level structures available
- Smart controller with auto-reclosing and automatic return function
- Features dual electrical and mechanical interlocking
Key Technical Specifications
Specifications are subject to product documentation and factory test reports. Contact an engineer for confirmation in special operating conditions.
| Rated Current | 63A - 630A |
|---|---|
| Rated Operating Voltage | AC 400V |
| Convert Time | ≤ 1.5s |
| Execution Standard | GB/T 14048.11, IEC 60947-6-1 |
Product Description
The ZPQ series automatic transfer switch (ATS) enables seamless switching between primary and backup power sources. The controller continuously monitors voltage and frequency of both power lines, performing an automatic transfer after a preset delay upon detecting anomalies. Ideal for fire protection systems, server rooms, and critical production line loads.
Use Cases
- Fire pump and emergency lighting circuit
- Data Center and Server Room Power Supply
- Dual-circuit power supply for critical production lines
