Product Overview
ZR3H series load isolation switches are suitable for low-voltage distribution systems with AC 50Hz and rated operating voltage of AC 400V. They are mainly used in distribution cabinets, capacitor cabinets, lighting boxes, and various situations where a clear disconnect is needed. The product’s rated current ranges from 16A to 1600A, and it can be operated either inside or outside the cabinet, ensuring maintenance safety and reliable electrical isolation.
Key Specs
- Frame current: 100A, 160A, 250A, 400A, 630A, 1600A
- Rated current: 16A~1600A
- Poles: 3P, 4P
- Rated operating voltage: AC 400V
- Rated insulation voltage: 1000V
- Rated impulse withstand voltage: 12kV
- Utilization category: AC-22B
- Short-time withstand current: up to 50kA/1s, depending on frame size
- Standards: GB/T 14048.3, IEC 60947-3
Product Features
- Clear disconnect point improves maintenance s