DC Carrying Current Handcart Vacuum Circuit Breaker

LiuGao stands as a dedicated outdoor vacuum circuit breaker manufacturer,DC Carrying Current Handcart Vacuum Circuit Breaker）is a control and protection device designed for the rated voltage of 24KV and 50HZ AC three-phase high-voltage distribution networks.Its primary function is to interrupt and close load currents, overload currents, and short-circuit currents in power lines.This breaker is well-suited for protection and control applications in substations and power distribution systems of industrial and mining enterprises. The circuit breaker adopts a column type and dry structure, ensuring reliable insulation, a long electrical life, and maintenance-free operation.These features make it particularly suitable for locations with frequent operation requirements.Additionally, it is well-suited for installation and use in rural power grids with limited overhaul and maintenance capabilities.It can also serve as a segment switch in the power grid, and with the addition of a controller, it can achieve automation in the distribution network.

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Product Description

Liugao is a DC Carrying Current Handcart Vacuum Circuit Breaker supplier.ZW32-24 outdoor AC vacuum circuit breaker is equipped with a mini vacuum arc extinguisher, ensuring high reliability, a compact volume, and an extended lifetime. The arc extinguisher is securely fixed inside epoxy resin, providing additional protection against ozone and ultraviolet rays. The epoxy resin material offers a firm, lightweight structure, facilitating convenient transportation.

Featuring both a Spring Mechanism and Permanent Magnetic operation, this circuit breaker delivers reliable performance and requires minimal maintenance. It supports manual and motorized closing and opening operations, allowing flexibility in usage. The switch case is constructed from durable materials such as aluminum alloy, stainless steel, and armor plate.

The breaker's design includes an extension for a disconnection switch voltage transformer and recloser control. It is specifically designed for applications in 24kV, 50Hz/60Hz power systems, serving the purpose of making and breaking load currents, providing overload protection, and responding to short circuits. The ZW32-24 outdoor vacuum circuit breaker finds suitability in various settings, including substations, industrial and mining environments, and urban and rural electricity power networks. Its design is particularly advantageous for locations with frequent operation requirements and automatic power distribution networks. This circuit breaker aligns with the standards set by IEC62271-100, GB1984 AC high voltage circuit breaker, and GB/T11022 HV general technical requirements for switch and control apparatus.

DC Carrying Current Handcart Vacuum Circuit Breaker Operating Environment

Ambient temperature: not higher than +40C, not lower than -40°C;

Air relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%;

The altitude is not more than 2000 meters;

Wind pressure does not exceed 700Pa (equivalent to wind speed of 34m/s);

The earthquake intensity does not exceed 8;

A place free from fire, explosion, serious pollution, chemical corrosion and severe vibration

DC Carrying Current Handcart Vacuum Circuit Breaker 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	40	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 groundlinter phase/fracture	kV	50/65
		(dry) over the groundlinter phaseffracture		65/79
		Secondary loop		3
12	Lighting impulse withstand voltage(peak) Overthe group，interphase/fracture		KA	125/145