24kv Indoor Medium Voltage Side Installation Type Vacuum Circuit Breaker

Overview

Basic Info.

Model NO.	Zn83-24kv
Installation	Fixed
Structure	Withdrawable
Current	AC
Clearance Between Open Contacts	12~14 mm
Mechanical Life (M2)	10,000(20,000)Times
Contact Stroke	3~5mm
Rated Short-Circuit Breaking Current	20,25,31.5ka
Rated Peak Withstand Current	50,63,80ka
Transport Package	Carton
Specification	ZN83-24KV
Trademark	VACEM
Origin	Wenzhou, China
HS Code	85352100

Packaging & Delivery

Package Size 96.00cm * 31.00cm * 70.00cm Package Gross Weight 120.000kg Lead Time 3 days (1 - 1 pcs)
7 days (2 - 10 pcs)
30 days (11 - 100 pcs)
To be negotiated ( > 100 pcs)

Product Description

General description

The ZN83-24KV series VCB is an exciting new addition to the indoor switchgear lineup from VACEM Co., Ltd. Designed specifically for 24KV power systems, this cutting-edge product is sure to impress.
One of the standout features of the ZN83-24KV series is its optimized modular spring operating mechanism. This mechanism not only ensures high reliability but also boasts a long service life and requires minimal maintenance. With this innovative design, you can trust that your power system will be in safe hands.
The ZN83-24KV series vacuum circuit breaker is not just any ordinary switchgear. It serves as a powerful protection and control unit for power equipment in industrial and mining enterprises. What sets it apart is its ability to thrive in even the harshest environments, thanks to its frequent operation and multiple disconnection capabilities for short-circuits.

Experience the thrill of the ZN83-24KV series VCB and take your power system to new heights.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.htmlInternational fairs

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