Outdoor high-voltage vacuum switch type prepaid metering device
The JLSZK-10W prepayment combined current transformer is suitable for 50HZ rated, 10KV rated voltage three-phase power lines, realizing prepayment electricity metering, remote control, meter reading, and anti-theft electricity functions. This product has a compact structure, powerful functions, small size and light weight, safety and reliability, and easy installation.
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Outdoor high-voltage vacuum switch type prepaid metering device
- Product details
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- Commodity name: Outdoor high-voltage vacuum switch type prepaid metering device
The JLSZK-10W prepayment combined current transformer is suitable for 50HZ rated, 10KV rated voltage three-phase power lines, realizing prepayment electricity metering, remote control, meter reading, and anti-theft electricity functions. This product has a compact structure, powerful functions, small size and light weight, safety and reliability, and easy installation.
Product Overview
The JLSZK-10W prepaid combination current transformer is suitable for 50HZ rated, 10KV rated voltage three-phase power lines, realizing prepaid electricity metering, remote control, meter reading, and anti-theft functions. This product has a compact structure, powerful functions, small size and light weight, safety and reliability, and easy installation.
This product consists of a high-voltage main box and a control box. The high-voltage main box consists of a high-voltage current transformer chamber and a high-voltage vacuum contactor chamber. The high-voltage primary lead is led out through a high-voltage silicone rubber bushing. The secondary lines and control lines are led out from the box and connected to the control box through K-type cables or plastic-sealed metal flexible tubes. The control box consists of an electricity meter, a control terminal, and a control circuit. The high-voltage current transformer consists of two or three components (two voltage transformers connected in V/V, two current transformers). The current transformer can be made into a double current ratio (at the secondary winding tap) according to user needs.
The control box door panel is equipped with on/off indicator lights. It can display the high-voltage operating status and the remaining electricity fee.
Vacuum Switch Technical Characteristics
Parameter Name
JCZ8F-160/12
CZ8F-250/12
JCZ8F-400/12
JCZ8F-630/12
Rated voltage of main circuit (KV)
12
12
12
122
Rated current of main circuit (A)
160
250
400
630
Main circuit closing capacity (A/100 times)
1600
2500
4000
6300
Main circuit breaking capacity (A/10 times)
1280
2000
3200
5000
Ultimate breaking capacity (A/3 times)
3200
4000
4500
6000
Mechanical life (10,000 times)
100
100
100
100
Mechanical latch life (10,000 times)
10
10
10
10
Main circuit power frequency withstand voltage (break) (KV)
42
42
42
42
Lightning impulse withstand voltage (KV)
75
75
75
75
Control circuit power frequency withstand voltage (KV)
2
2
2
2
Rated operating frequency (times/h)
300
300
300
300
Mechanical latch operating frequency (times/h)
30
30
30
30
Main Technical Parameters◇Reference standards for this type of combination current transformer
GB1206-2006 (Current Transformer)
GB1207-2006 (Voltage Transformer)
GB17201-2007 (Combination Current Transformer)
DL/7725-2000 Technical conditions for ordering power current transformers, etc.
◇This type of combination current transformer is composed of single-phase voltage transformers and single-phase current transformers to form a three-phase transformer. The voltage transformer uses V/V-12 wiring.
◇Rated voltage 10KV
◇Rated frequency 50HZ
◇Rated insulation level 12/42/75KV
◇The rated voltage ratio of the voltage transformer is 10/0.1KV, accuracy class/rated load 0.2/20VA, and limit output 500VA.
◇The rated current ratio of the current transformer is 5-600/5, accuracy class/rated load 0.2S/10VA.
◇Rated load power factor COSφ=0.8 (lagging), current transformer instrument security factor FS≤10.
◇Ambient temperature: between -25℃ and 40℃. The daily average temperature does not exceed 30℃.
◇Surface creepage distance meets Class II pollution level.
◇Altitude: not exceeding 1000m.
Appearance and Installation Dimensions
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