24kv Advanced Medium Voltage Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Insert
• Structure: Vcb
• Model NO.: Zn83-24kv
• Poles Number: 3
• Type: Vacuum Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), Handcart/Fixed
• Certification: ISO9001-2000, CE, CCC, GB
• 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)Mechanical Life (M2): 10,000(20,000)Times
• Transport Package: Plywood Case
• Specification: 0.5m3
• Trademark: VACEM
• Origin: Wenzhou, China
• HS Code: 85352100

Product Description

General description

Introducing the 24kv Advanced Medium Voltage Vacuum Circuit Breaker - the ultimate solution for your power system needs! This indoor vacuum circuit breaker is designed to provide top-notch performance and reliability, making it the perfect choice for any high voltage application.
Crafted with precision and expertise, the ZN83-24KV series VCB is a new indoor switchgear that has been independently developed by VACEM Co., Ltd. It is specifically designed for 24KV power systems, ensuring that your power needs are met with ease.
One of the standout features of this vacuum circuit breaker is its optimized modular spring operating mechanism. This mechanism ensures that the breaker operates smoothly and efficiently, providing you with the peace of mind you need when it comes to your power system.
Whether you're looking for an indoor vacuum circuit breaker or an HV vacuum circuit breaker, the 24kv Advanced Medium Voltage Vacuum Circuit Breaker is a perfect choice. With its advanced features and top-notch performance, you can rest assured that your power system is in good hands.

So why wait? Upgrade your power system today with the 24kv Advanced Medium Voltage Vacuum Circuit Breaker and experience the difference for yourself!

 

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: 
,or copper tulip contact:
 

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