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JCZ1-40.5KV series vacuum contactor
JCZ1-40.5KV series vacuum contactor
JCZ1-40.5KV series vacuum contactor
JCZ1-40.5KV series vacuum contactor

JCZ1-35kV(40.5kV) Series Vacuum Contactor

The medium-voltage vacuum contactor in this series uses high-quality vacuum interrupters, combined with a metal frame and insulating brackets, providing excellent breaking performance. It is suitable for single-phase or two-phase power network systems below 35kV(40.5kV), allowing for long-distance connection and disconnection, frequent starting, and control of resistive, inductive, and capacitive loads. The JCZ1 series single-pole medium-voltage vacuum contactor is commonly used in power protection applications such as arc suppression, neutral grounding, and load boxes. It serves as a main switch, featuring a compact design, fast make-and-break speed, and strong breaking capability, making it suitable for 35kV(40.5kV) power systems or 10kV(12kV) power systems at altitudes above 4000 meters.

Feature
1

High-quality vacuum interrupters, combined with a metal frame and insulating brackets.

2

Excellent breaking performance.

3

Compact size, fast make-and-break speed, and strong breaking capability.

Parameter
Tech. parameters Model 160、250-40.5KV 400/40.5KV 630/40.5KV 800/40.5KV 1000、1250/40.5KV
Rated voltage of main loop  (KV) 40.5 40.5 40.5 40.5 40.5
Rated current of main loop (A) 160、250 400 630 800 1000、1250
Main loop making capacity (A/100times) 2500 4000 6300 8000 10000
Main loop switching capability (A/25times) 2000 3200 5000 6000 8000
Ultimate breaking capacity (A/3times) 4000 4500 6300 8000 10000
Permanent magnet mechanism lifespan (10,000times) 10 10 10 10 10
Power-frequency withstand voltage of main loop(fracture) (KV) 85 85 85 85 85
Phase-phase/phase-ground power frequency withstand voltage (KV) 95 95 95 95 95
Lightning impulse withstand voltage level (KV) 185 185 185 185 185
Rated operating frequency (times/h) 100 100 100 100 100
Clearance between open contacts (mm) 15±2 15±2 15±2 15±2 15±2
Overtravel (mm) 3±1 3±1 3±1 3±1 3±1
Main loop resistance (μΩ) ≤200 ≤200 ≤200 ≤200 ≤200
Secondary control voltage (V)
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JCZ1-40.5KV series vacuum contactor
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