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ZW20-12F High Voltage Substations Industrial Vaccum Interrupter Circuit Breaker Load Break Switch

ZW20-12F Vacuum circuit breakers are essential components in electrical systems, providing reliable protection against overcurrents and short circuits. These devices are designed to interrupt current flow in a circuit by creating a vacuum between the contacts, ensuring efficient and safe operation. With their compact size and high breaking capacity, vacuum circuit breakers are ideal for a wide range of applications, from residential to industrial settings. It is important to regularly inspect and maintain these breakers to ensure they continue to function properly and protect the electrical system. By understanding the key features and benefits of vacuum circuit breakers, users can make informed decisions when selecting and using these critical components.

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Model:
ZW20-12F
Brand:
DGG

1. One of the main advantages of ZW20-12F vacuum circuit breakers is their high reliability. Due to the absence of any medium for arc extinction, vacuum circuit breakers are able to interrupt current quickly and effectively, reducing the risk of electrical faults and ensuring a stable power supply..

2. The key advantage of ZW20-12F vacuum circuit breakers is their compact size and lightweight design. This makes them easy to install and maintain, saving both time and resources for users.

3. ZW20-12F vacuum circuit breakers are environmentally friendly, as they do not use any harmful substances in their operation, reducing the impact on the environment.

4. Overall, the advantages of ZW20-12F vacuum circuit breakers make them a reliable, efficient, and sustainable choice for various electrical applications.

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No.	Item		Unit	Data
1	Rated frequency		Hz	50
2	Rated voltage		kV	12
3	Rated current		A	630	1250
4	Rated short-time power frequency withstand voltage	Interphase, to earth(wet)	kV/min	34/1
		Interphase, to earth(dry)		42/1
		Fracture (dry)		48/1
		Secondary circuit to earth		2/1
5	Rated lightning impulse withstand voltage	Interphase, to earth	kV	75
		Fracture		85
6	Rated short-circuit breaking current		kA	20/25
7	Rated short-circuit making current(peak)			50/63
8	Rated short-time withstand current and duration		kA/s	(20/25)/4
9	Rated peak withstand current		kA	50/63
10	Rated short-circuit breaking current breaking times		Times	30 (E2 Level)
11	Gas Rated Gauge Pressure		MPa	0
12	Main circuit resistance		μΩ	≤120
13	Rated Operating Voltage and Rated Voltage for auxiliary(control) circuit		V	AC/DC220,DC48,DC24
14	Mechanical life		Times	10000 (M2 level)
Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate.

No.	Item		Unit	Data
1	Rated frequency		Hz	50
2	Rated voltage		kV	12
3	Rated current		A	630	1250
4	Rated short-time power frequency withstand voltage	Interphase, to earth(wet)	kV/min	34/1
		Interphase, to earth(dry)		42/1
		Fracture (dry)		48/1
		Secondary circuit to earth		2/1
5	Rated lightning impulse withstand voltage	Interphase, to earth	kV	75
		Fracture		85
6	Rated short-circuit breaking current		kA	20/25
7	Rated short-circuit making current(peak)			50/63
8	Rated short-time withstand current and duration		kA/s	(20/25)/4
9	Rated peak withstand current		kA	50/63
10	Rated short-circuit breaking current breaking times		Times	30 (E2 Level)
11	Gas Rated Gauge Pressure		MPa	0
12	Main circuit resistance		μΩ	≤120
13	Rated Operating Voltage and Rated Voltage for auxiliary(control) circuit		V	AC/DC220,DC48,DC24
14	Mechanical life		Times	10000 (M2 level)
Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate.

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ZW20-12F High Voltage Substations Industrial Vaccum Interrupter Circuit Breaker Load Break Switch

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