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ZN63 (VS1) VCB1

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Zhejiang Zhongyi Electric Power Technology Co., Ltd.

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ZN63 (VS1) VCB1

parameters : 630.1250.1600.2000.3150

Units : KA

Delivery Time : 5-10 Days

NO : 12

Item : Rated operating sequence

Price : Negotiate

Payment Terms : L/C,D/A,D/P,T/T,Western Union

Packaging Details : Carton

Place of Origin : China

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ZN63 (VS1)-12 Series Indoor High Voltage Vacuum Circuit Breaker

The ZN63 (VS1)-12 series is a high-performance 12kV, three-phase AC 50Hz indoor vacuum circuit breaker designed for critical power distribution and protection.

Key Advantages & Applications

✅ Versatile Operation: Supports spring energy storage (AC/DC or manual) and optional long-life permanent magnetic actuators.
✅ High Durability: Engineered for frequent operation with a mechanical life reaching up to 60,000 cycles.
✅ Industrial Reliability: Ideal for power stations, substations, and industrial/mining enterprises requiring robust load breaking.

⚙️ Core Specifications

Series: ZN63 (VS1)-12

Type: Indoor High Voltage Vacuum Circuit Breaker

Rated Voltage: 12kV

Technical Parameters

Item	Units	Parameters
Rated voltage	KV	12
Rated Frequency	HZ	50
Rated Current	A	630.1250.1600.2000.3150
Rated short-circuit breaking current	KA	20 25 31.5
Rated short-circuit closing current	KA	50 63 80
Rated short-circuit duration	S	4
Rated operating sequence	-	0-0.3s-CO-180s-CO
Mechanical life	Times	20000
Rated Storage/Op Voltage	V	AC DC 220/110

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