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Home > Industrial Equipment & Components > Welding & Soldering Supplies > Welding Flux > VS1 / ZN63A Series 12kV 50Hz Three-phase Vacuum Residual Current Circuit Breaker

VS1 / ZN63A Series 12kV 50Hz Three-phase Vacuum Residual Current Circuit Breaker

Name: VS1 / ZN63A Series 12kV 50Hz Three-phase Vacuum Residual Current Circuit Breaker
Brand: Mingde Electrical
SKU: 147537478
Availability: InStock

VS1 / ZN63A Series 12kV 50Hz Three-phase Vacuum Residual Current Circuit Breaker thumbnail-1

VS1 / ZN63A Series 12kV 50Hz Three-phase Vacuum Residual Current Circuit Breaker photo-1

Negotiable MOQ: 1 Set (Price negotiable depending on order volume and customization)

Key Specifications

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Brand Name:

Mingde Electrical

Place of Origin:

China

Model Number:

VS1

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Ningbo Mingde Electrical Science&Technology Co., Ltd

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

7 days

Product Details
Company Profile
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Brand Name Mingde Electrical

Place of Origin China

Model Number VS1

Delivery Time:30 days
Certification:GB1984, IEC

VS1 / ZN63A series 12kV 50Hz Three-phase Vacuum Residual Current Circuit Breaker

Residual Current Circuit Breaker Main specifications and technical parameters ( Refer to Tab 1)

No	Item	Unit	Technical data
1.	Rated voltage	kV	12
2.	Rated short-time power frequency withstand voltage (1min)	42
3.	Rated lightning impulse withstand voltage (peak value)	75
4.	Rated Frequency	Hz	50
5.	Rated current	A	630 1250	630 1250 1600 2000 2500 3150	1250 1600 2000 2500 3150 4000*
6.	Rated short circuit breaking current	kA	25	31.5	40
7.	Rated short time withstand current	25	31.5	40
8.	Rated short-circuit duration	s	4
9.	Rated peak value withstand current	kA	63	80	100
10.	Rated short-circuit closing current (peak value)	63	80	100
11.	Secondary circuit power frequency withstand voltage(1 min)	V	2000
12.	Rated single/ back-to-back capacitor bank breaking current	A	630/400 (40 kA for 800/400)
13.	Rated capacitor bank making rush current	kA	12.5(frequency no more than 1000Hz)
14.	Opening time	ms	20~50
15.	Closing time		35~70
16.	Mechanical life	Time	10000 30000 60000
17.	Breaking times at rated short-circuit current	Time	50 (40 kA for 30)
18.	Permissible wear accumulated thickness of moving and fixed contact	mm