ZN63 VS1 -12 3 Phase Indoor 11kv 24kv VCB Circuit Breaker

Basic Information
Place of Origin: XIAN, China
Brand Name: XG
Certification: ISO CCC
Model Number: ZN63
Minimum Order Quantity: 1set
Packaging Details: WOODEN CASE
Delivery Time: 3-7 DAYS
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
Rated Voltage: 3.6KV 6.6KV 7.2kV, 12kV, 24kv Rated Current: 400A 630A, 1250A, 1600A, 2000A, 2500A, 3150A,
Frequency: 50/60Hz Poles Number: 3
Phase: 3 Phase Medium: Vacuum
Material: Galvanized Sheet Standard: IEC/GB
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ZN63 VCB Circuit Breaker


11kv VCB Circuit Breaker


24kv VCB Circuit Breaker

Product Description

1. ZN63 VS1 -12 type 3 phase indoor 11kv 24kv vcb vacuum circuit breaker


ZN63 (VS1) -12 type vacuum circuit breaker is indoor high voltage switchgear, suitable for three-phase power system with rated voltage of 12KV and frequency of 50HZ. It’s used to protect and control electrical appliances, especially suitable for special advantages of vacuum circuit breakers In the frequent operation of the need for rated current, or short-circuit breaking current place.

ZN63 (VS1) -12 type vacuum circuit breakers using fixed installation, mainly for fixed switchgear, the circuit breaker can be used alone, but also for the ring network power supply, box substation or Non-standard power supply system.

ZN63 VS1 -12 3 Phase Indoor 11kv 24kv VCB Circuit Breaker 0


2. Main Technical Parameters


Items Unit Parameters


Rated voltage

KV 12
Rated Frequency Hz 50
  1min Power Frequency withstand voltage





To the ground / phase

Lightning Impulse withstand voltage (peak)


To the ground / phase

Rated short circuit breaking current KA 20 25 31.5 40
Rated current A





1250 1600 2000 2500

1250 1600

2000 2500

Rated short time withstand current (value)) KA 20 25 31.5 40
Rated peak withstand current (peak) KA 50 63 80 100
Rated short-circuit current (peak) KA 50 63 80 100
Rated short circuit current duration S 4
Mechanical Life times 20000
Secondary circuit 1min frequency withstand voltage V 2000
Rated operating sequence   Split-t-split-t1-split

note:20KA,25KA,31.5KA t=0.3s t1=180s; 40KA t=180s t1=180s



3. Application


Maximum temperature: +40℃; Minimum temperature:-25℃.

Altitude above sea level: Maximum installation altitude: 2500m.

Humidity: Monthly average humidity 95%; Daily average humidity 90% .

Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.

No frequent violent shake.


4. Photo and drawing





5. Factory


ZN63 VS1 -12 3 Phase Indoor 11kv 24kv VCB Circuit Breaker 2

Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197