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VS1 12KV type Handcart VCB for high voltage switch 10kv Indoor HV Vacuum circuit breaker operating mechanism in switchge

VS1 12KV type Handcart VCB for high voltage switch 10kv Indoor HV Vacuum circuit breaker operating mechanism in switchge

1250a hv vacuum circuit breaker

3 Poles hv vacuum circuit breaker

12KV vacuum breaker switch

Place of Origin:

Zhejiang, China

Brand Name:

Eberry

Certification:

CE,CQC,ISO9001

Model Number:

ZN63-12KV-210

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Product Details
Product Name:
High Voltage Vacuum Circuit Breaker
Rated Voltage:
12KV
Rated Current:
1250A
Type:
Drawable
Poles Number:
3
Rated Frequency:
50/60hz
Certificate:
ISO9001
Pole:
3 Poles
Standard:
IEC60947-2
Color:
Black
Rated Frequency:
50/60 Hz
Port:
Ningbo/Shanghai
Payment & Shipping Terms
Minimum Order Quantity
1 set
Price
$700.00 - $2,100.00/pieces
Packaging Details
plywood Carton
Delivery Time
5-10 days
Payment Terms
L/C, D/A, D/P, T/T, Western Union, Western Union, MoneyGram
Supply Ability
10000 Unit/Units per Month
Product Description

VS1 12KV type Handcart VCB for high voltage switch 10kv Indoor HV Vacuum circuit breaker operating mechanism in switchgear

 

Performance characteristics:

1.VEF(R)-12 is small in size and compact in structure.

2.VEF(R)-12 has stable and reliable performance, long electrical life, strong closing and breaking ability, safe and convenient operation and maintenance.

3.VEF(R)-12 vacuum source chamber is assembled in the insulation tube with our unique process, which makes the switch have the advantages of less maintenance, no pollution, no explosion hazard, low noise and high insulation level. It is suitable for frequent operations and other harsh conditions. Working conditions.

4. The self-developed integral modular spring operating mechanism is equipped with a complete five-proof chain function.

5. The unique and novel design of the combined electric appliance makes the three-phase fuses flat on the upper side of the load switch, and the device is reasonably convenient for maintenance.

6. Load switch and its combination can be used with VS1, VD4, ZN63A and other products in KYN44, GZS1, KYN28 and other centrally-disconnected switchgear, providing designers with more optimized options and configurations.

7. The VEF (R)-12 handcart vacuum circuit breaker and its combination can be operated manually or electrically.

8. When the combination of electrical equipment breaks, there is a fuse hitting the operation machine. The shunt release operation is operated in two ways: 1- When the overload current is interrupted, the relay protection action command shunt release tripping vacuum load switch; 2- When the short circuit is blown, the fuse is blown off and then the mechanical trip system completes the opening. The fuse is only used as backup short circuit protection, which greatly reduces the running cost.

9.VEF(R)-12 vacuum load switch-fuse combination electric appliance can most effectively protect the transformer.

 

The main technical parameters:

NO Item Units Technical parameters
1 Rated voltage KV 12
2 Rated frequency Hz 50

3

 

Rated insulation level Lightning impulse withstand voltage KV 75
1min power frequency withstand voltage 42

 

 

 

 

 

4

 

 

 

 

 

Load switch

 

Rated current A 630
Rated active load breaking current A 630
Rated closed-loop breaking current A 630
Rated current charging breaking current A 10
4s rated short-time withstand current kA 20
Rated peak withstand current kA 50
Rated short circuit closing current kA 50
Rated ground fault breaking current A 5
Rated cable charging and line charging breaking current under ground fault conditions A 17.3
Mechanical life   M2
Electrical life   E2

 

 

5

 

 

Load switch-fuse combination Fuse maximum rated current A 125
Rated transfer current A 3050A
Melting tube trigger switch opening time ms 35
Rated short-circuit breaking current kA 31.5
Rated short circuit closing current kA 80
Fuse impact output energy J 2-5
6 Contact switch mm 8.5±1
7 Contact overtravel 0.5
8 Center distance between poles 210±1
9 Allow contact wear thickness 3
10 Average opening speed m/s 1.2±0.2
11 Average closing speed 0.6±0.2
12 Contact closing bounce time ms 3
13 Three-phase split and close non-interval 2
14 Opening time ms 20~50
15

Main loop resistance

 

 

 

μΩ

 

Load switch ≤70
Combination electric appliance ≤350
16 Operating mechanism operating characteristics

 

 

 

85%~110% rated voltage Reliable closing
65%~120% rated voltage Reliable closing
30% rated voltage No scoring gate

 

VS1 12KV type Handcart VCB for high voltage switch 10kv Indoor HV Vacuum circuit breaker operating mechanism in switchge 0VS1 12KV type Handcart VCB for high voltage switch 10kv Indoor HV Vacuum circuit breaker operating mechanism in switchge 1VS1 12KV type Handcart VCB for high voltage switch 10kv Indoor HV Vacuum circuit breaker operating mechanism in switchge 2


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