24kv Indoor Medium Voltage Embedded Pole Type Vacuum Circuit Breaker (ZN83)

Product Details
Customization: Available
Certification: CCC, ISO9001, GB
Shell Material: Stainless Steel
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  • 24kv Indoor Medium Voltage Embedded Pole Type Vacuum Circuit Breaker (ZN83)
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  • Overview
  • General description
  • Main technical parameter
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Overview

Basic Info.

Model NO.
Zn83-24kv
Voltage Level
Medium Voltage
Installation
Fixed
Structure
Withdrawable
Current
AC
Rated Peak Withstand Current
50,63,80ka
Rated Short-Circuit Breaking Current
20,25,31.5ka
Clearance Between Open Contacts
12~14 mm
Contact Stroke
3~5mm
Mechanical Life (M2)
10,000(20,000)Times
Transport Package
Carton
Trademark
VACEM
Origin
Wenzhou, China
HS Code
85352100

Product Description

General description

Introducing the ZN83-24KV series VCB, a cutting-edge indoor switchgear designed by the brilliant minds at VACEM Co., Ltd. This remarkable creation is specifically tailored for 24KV power systems, making it an absolute game-changer in the industry.
One of the standout features of the ZN83-24KV series is its state-of-the-art modular spring operating mechanism. This ingenious mechanism not only guarantees unparalleled reliability but also boasts an impressively long service life. And the best part? It requires absolutely zero maintenance! Say goodbye to those pesky upkeep tasks and hello to a hassle-free experience.
But that's not all. The ZN83-24KV series vacuum circuit breaker is not just any ordinary piece of equipment. It's a versatile powerhouse that can serve as the ultimate protection and control unit for power equipment in industrial and mining enterprises. And here's the cherry on top: it thrives in even the harshest environments, effortlessly handling frequent operations and multiple disconnections caused by short-circuits.
So, if you're seeking a top-notch solution for your power system needs, look no further than the ZN83-24KV series VCB. With its exceptional performance and unmatched durability, it's the perfect choice for those who demand nothing but the best.

Main technical parameter

 

Item Unit Date
Rated voltage kV 24
Rated frequency Hz 50
Rated insulation level 1min power frequency withstand voltage pole to earth kV 65
phase kV 79
lightning impulse withstand voltage pole to earth kV 125
phase kV 145
Power frequency withstand voltage of secondary circuit V 2000
Rated current A 630 630 1250 1250
1250 1250 1600 3150
    2000  
Rated short-circuit breaking current kA 20 25 31.5
Rated short-time withstand current kA 20 25 31.5
Rated short circuit duration s  
Rated peak withstand current kA 50 63 80
Rated short-circuit making current kA 50 63 80
Rated short-circuit current breaking time (classE2) times 30 
Rated single/back to back capacitor bank breaking current A 630/400
Clearance between open contacts mm 12~14
Contact stroke mm 3~5
Allowable wear thickness of contact mm 3
Average opening speed m/s 1.1~1.6
Average closing speed m/s 0.6~1.1
Contact closing bounce time ms ≤2
Different phase of contact closing and opening ms ≤2
Rebound amplitude of opening contact mm ≤2
Opening time (rated voltage) ms 20~50
Closing time (rated voltage) ms 30~70
Mechanical life (M2) times 10,000(20,000)
Rated operating voltage V AC110/220 DC110/220
Rated operation sequence   0-0.3s-CO-180s-CO 

For more switchgear parts, pls refer to insulation parts: https://china-vacem.en.made-in-china.com/product-group/BbRAnYUjsLrW/Insulation-Accessories-catalog-1.html
, or copper tulip contact: https://china-vacem.en.made-in-china.com/product-group/nbUGDIpPuLYM/Tulip-contact-series-1.html
International fairs

 

24kv Indoor Medium Voltage Embedded Pole Type Vacuum Circuit Breaker (ZN83)
Company show

 

24kv Indoor Medium Voltage Embedded Pole Type Vacuum Circuit Breaker (ZN83)24kv Indoor Medium Voltage Embedded Pole Type Vacuum Circuit Breaker (ZN83)24kv Indoor Medium Voltage Embedded Pole Type Vacuum Circuit Breaker (ZN83)24kv Indoor Medium Voltage Embedded Pole Type Vacuum Circuit Breaker (ZN83)24kv Indoor Medium Voltage Embedded Pole Type Vacuum Circuit Breaker (ZN83)

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