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ZW32-24 Series Outdoor High Voltage Vacuum Circuit Breaker.jpg

China ZW32-24 Series Outdoor High Voltage Vacuum Circuit Breaker - Reliable Suppliers & Factory for 24kV Solutions

The ZW32-24 Series is a state-of-the-art outdoor high voltage vacuum circuit breaker designed for 24kV, 50Hz three-phase systems. Perfect for applications in urban networks, rural electrification, mining, and railways, this circuit breaker ensures reliable switching of various load currents in frequently operated environments. Manufactured in China, our circuit breaker features a durable stainless steel shell with anti-corrosion treatment, silicone rubber insulated columns, and a spring mechanism, emphasizing miniaturization and maintenance-free operation. With intelligent capabilities and an environmentally friendly design that generates zero pollution, it meets the strict standards of GB1984-2003, DL/T402-2007, and DL/T403-2000. As a leading supplier and factory, we are committed to providing high-quality solutions for your electrical needs

Product Details

Technical Specification

No.	Item		Units	Parameters
1	Rated voltage		kV	24
2	Rated frequency		Hz	50
3	Rated current		A	630	1250
4	Rated short-circuit breaking current		kA	20	25
5	Rated peak withstand current (peak)		KA	50	63
6	Rated short-circuit closing current (peak)		kA	50	63
7	Rated short-time withstand current and duration		kA/s	20/4	25/4
8	Rated operation sequence			O-0.3s-CO-180s-CO
9	Mechanical life		Times	10000
10	Breaking times of rated short-circuit breaking current		Times	20
11	1min power frequency withstand voltage	(wet) over the ground / interphase / fracture	kV	50/65
		(dry) over the ground / interphase / fracture		65/79
		Secondary loop		2
12	Lighting impulse withstand voltage (peak) Over the ground, interphase / fracture		kA	125/145
13	Weight		kg	115

Product Model

Dimension

Frequently Asked Questions

Q1 What is the rated voltage of this circuit breaker?

The rated voltage of this circuit breaker is 24 kV, making it suitable for medium-voltage power distribution systems operating at that level.
Q2 What rated current options are available?

This circuit breaker is available in two rated current options: 630 A and 1250 A, allowing it to be selected according to the specific load requirements of your installation.
Q3 What is the rated short-circuit breaking current?

The rated short-circuit breaking current is 20 kA for the standard version and 25 kA for the enhanced version, ensuring reliable fault interruption under high-fault current conditions.
Q4 How many mechanical operations can this circuit breaker perform?

The circuit breaker has a mechanical life of 10,000 operations, demonstrating excellent durability and reliability for long-term use in power distribution applications.
Q5 What is the rated operation sequence of this product?

The rated operation sequence is O-0.3s-CO-180s-CO, which defines the standard opening and closing cycle the breaker can perform without exceeding its thermal and mechanical limits.
Q6 What is the lightning impulse withstand voltage of this circuit breaker?

The lightning impulse withstand voltage (peak) is 125 kA over the ground and interphase, and 145 kA across the fracture, ensuring robust protection against transient overvoltages and lightning strikes.