ZW8P-12/630-20 type outdoor prepaid metering vacuum circuit breakerDetailed product description：

ZW8P-12/630-20 outdoor prepaid metering vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 12kV outdoor vacuum circuit breaker and metering integrated switchgear. It is matched with a three-phase multifunctional meter to realize the opening and closing of load current, overload current, and short-circuit current in the distribution system, and has a high-precision high-voltage metering device, realizing active energy meter, reactive energy meter, active demand meter, power factor meter, prepaid meter, recording, and automatic meter reading. Using international standard IC card RS485 interface, infrared communication, large screen LCD display technology, flexible preset of multiple functions, and IC card or handheld computer as a medium to achieve information transmission between users and power supply department computers. The power department can choose one or more transmission methods based on local conditions to facilitate computer network management and meet the needs of modern and scientific management for users in an effective and timely manner.

ZW8P-12/630-20 outdoor prepaid metering vacuum circuit breaker model and its meaning:

Usage environment:

1. Altitude: not exceeding 1000 meters (exceeding is considered high altitude).
2. Surrounding air temperature: -45 ℃ to+40 ℃
3. Relative temperature: daily average not exceeding 95%, monthly average not exceeding 790%.
4. Wind speed: not exceeding 35m/s.
5. No flammable, explosive, chemical corrosion, or severe vibration hazards.

Main technical parameters of ZW8P-12/630-20 outdoor prepaid metering vacuum circuit breaker

Project			unit	numerical value
rated voltage			KV	twelve
Rated insulation level	1min power frequency withstand voltage	Dry test	KV	forty-two
		Wet test (ground test)		thirty-four
	Lightning impulse withstand voltage (peak value)			seventy-five
rated current			A	six hundred and thirty
rated frequency			Hz	fifty
Rated short-circuit breaking current			KA	16. 20
Rated short-circuit closing current (peak)				40, 50
Rated peak withstand current				40, 50
Rated short-circuit withstand current 4s				16. 20
operating sequence				Min-0.3s HeFen-180s HeFen
Rated short-circuit current breaking times			time	thirty
mechanical life			time	ten thousand
Secondary circuit 1min power frequency withstand voltage			kV	two
Rated current of overcurrent release device			A	five

The external dimensions and installation dimensions of ZW8-12/630-20 outdoor prepaid metering vacuum circuit breaker:



The external dimensions and installation dimensions of ZW8-12/630-20 outdoor combination transformer:



Ordering Notice:

1. Product model, name, rated voltage, current, breaking capacity, and protection against CT changes.
2. Combination transformer box current transformer variation, precision level, voltage transformer ratio, accuracy, whether capacity is required, three column and five column.
3. Technical requirements for control circuits.
4. Whether to configure external connection cables, specifications, models, and quantities.
5. Order quantity and accessories.
6. Equipped with manual or electric operating mechanisms, with optional operating voltages of AC110V, AC220V, DC110V, and DC220V; If the customer requests not to bring a combination transformer, in principle, the customer should provide their own operating power supply. The customer has a special request for the supplier to provide an operating power supply, which can be equipped with a built-in voltage transformer for supply.
7. Measurement CT and PT require dry built-in, and should be ordered according to special negotiation.