龙口Outdoor high-voltage split-type prepaid metering device

This product is a combination of a high-voltage metering device and a ZW43 intelligent sectionalizing switch, suitable for outdoor power systems with a rated frequency of 50HZ and a rated voltage of 10KV or less for electricity metering.

Product Description

Product Overview

This product is a combination of a high-voltage metering device and a ZW43 intelligent sectionalizing switch, suitable for outdoor power systems with a rated frequency of 50HZ and a rated voltage of 10KV or less for electricity metering. The current transformer uses fully enclosed epoxy resin vacuum casting, thus eliminating aging problems. The sectionalizing switch uses a vacuum switch and is equipped with zero-sequence and protective current transformers. It achieves zero-sequence, overcurrent, and fast-break protection with the intelligent controller, automatically cutting off single-phase ground faults and automatically isolating interphase short-circuit faults, ensuring the power safety of non-faulty users. This product has FTU function to realize remote control of switch on/off; it also has GPRS remote control function (see "Intelligent Controller Description" below for details). This prepaid combined current transformer realizes the basic functions of a prepaid high-voltage metering box through a prepaid control terminal, such as prepayment of electricity fees by users, reminders before arrears, tripping after arrears, and delayed alarm. This product is easy to install and has a beautiful appearance.

 

The main technical parameters of the circuit breaker are shown in the table

Serial Number

Name

Unit

Data

1

Rated Voltage

KV

12

2

1min Power Frequency Withstand Voltage (Dry) Phase-to-Phase/Phase-to-Ground/Open Circuit

42/48

Lightning Impulse Withstand Voltage (Peak) Phase-to-Phase/Phase-to-Ground/Open Circuit

75/85

3

Rated Current

A

630/1250

4

Rated Short-Circuit Breaking Current

KA

12.5/20.5/25

5

Rated Capacitor Bank Breaking Current

A

400/630

6

Rated Short-Circuit Closing Current (Peak)

KA

 

31.5/50/63

7

Rated Peak Withstand Current

8

Rated Short-Time Withstand Current

2.5/20.5/25

9

Mechanical Life

Times

10000

10

Contact Gap

mm

9±1

11

Contact Overtravel

2.5±0.5

12

Allowable Wear Thickness of Moving Contact

<3

13

Three-Phase Switching Time Difference

ms

≤2

 

Current Transformer Parameter Table

Product Model

Rated Voltage Ratio (V)

Rated Current Ratio (A)

Voltage Transformer Accuracy Class and Secondary Load (VA)

Current Transformer Accuracy Class and Secondary Load (VA)

Rated Short-Time Thermal Current (KA)

Rated Insulation Level (KV)

0.2

0.5

0.2S

0.5S

JLSZ-6

6000/100

5-300/5

20

20

10

10

(80-100)*lin

7.2/32/60

JLSZ-10

10000/100

5-500/5

20

20

10

10

12/42/75

 

External Dimensions and Installation Diagram