12kv 24kv 40.5kv 72.5kv High-Speed Outdoor Vacuum Circuit Breaker

This product conforms to IEC60298, GB3906-2006, GB/T 11022-1999, DL/T 593-2006, GB 1984-2003 standards, etc. Model NO.: AB-3S-12, 24, 40.5, 72.5; Operation: Energy-storage Type; Arc-extinguishing Medium: Vacuum.

Product Details Company Profile

Description

Model NO.: AB-3S-12, 24, 40.5, 72.5
Operation: Energy-storage Type
Arc-extinguishing Medium: Vacuum
Type: Circuit Breaker
Certification: ISO9001-2000, CE
Creepage Distance: >31 mm/Kv
Wind Speed: <35 M/S
Trademark: New Concept Electric
Specification: 80 kg, 200 kg, 300 kg, 1, 650 kg
HS Code: 8535210000

Breaking Capacity: High Voltage Circuit Breakers
Speed: High-Speed Circuit Breaker
Installation: Fixed
Function: Overcurrent Protection, OVP(Overvoltage Protection)
Working Ambient Temperature: -50 ~ +70
Ice-Coverage Thickness: <10 mm
Production No.: Mz0021
Transport Package: Standard Export Wood Case
Origin: Yangzhou, Jiangsu, China

The high voltage circuit breakers are recently-developed pole-mounted intelligent vacuum circuit breakers of a new generation, which absorb the advanced domestic and foreign technologies adopted by our company, embody the design concept of being "intelligent, energy-saving, environmentally-friendly and maintenance-free" and comply with the actual conditions of China's power distribution network and the construction requirements of smart grid. These products can be used as switches at the 10kV side of substation and 10kV outgoing line of main transformer as well as pole-mounted switches for power distribution networks. They integrate such functions as measurement, control, protection, communication, fault isolation and network reconfiguration, with high automatic and intelligent degree; they are top choices for equipment of power distribution network automation and miniaturized substations.

This product conforms to IEC60298, GB3906-2006, GB/T 11022-1999, DL/T 593-2006, GB 1984-2003 standards, etc.

Major Technical Parameters are shown below:
12kV Outdoor High Voltage Vacuum Circuit Breaker

Rated voltage	12 kV
Rated current	630/1,250 A
Rated frequency	50 Hz
Rated short-duration (1 min) power frequency withstand voltage	42/48 kV
Rated short-circuit breaking current	20/25 kA
Rated short-duration withstand current (4s)	20/25 kA
Rated lightning impluse withstand voltage(to earth/break)	75/85 kV
Rated short-circuit making current (peak value)	50/63 kA
Rated peak withstand current	50/63 kA
Rated short-circuit current breaking times	30 times
Mechanical service life of vacuum circuit breaker	10,000 times
CT transformation ratio	600/1 or 1,250/1
Rated operating sequence of circuit breaker	O-0.3s-CO-180s-CO
Total weight	80+25 kg

24kV Outdoor High Voltage Vacuum Circuit Breaker

Rated voltage	24 kV
Rated current	1,250/1,600 A
Rated frequency	50 Hz
Rated short-duration (1 min) power frequency withstand voltage	65/79 kV
Rated short-circuit breaking current	25/31.5 kA
Rated short-duration withstand current (4s)	25/31.5 kA
Rated lightning impluse withstand voltage(to earth/break)	125/145 kV
Rated short-circuit making current (peak value)	63/80 kA
Rated peak withstand current	63/80 kA
Rated short-circuit current breaking times	30 times
Mechanical service life of vacuum circuit breaker	20,000 times
CT transformation ratio	600/1 or 1,250/1
Rated operating sequence of circuit breaker	O-0.3s-CO-180s-CO
Total weight	200+25 kg

40.5kV Outdoor High Voltage Vacuum Circuit Breaker

Rated voltage	40.5 kV
Rated current	1,250/1,600/2,000 A
Rated frequency	50 Hz
Rated short-duration (1 min) power frequency withstand voltage	95 kV
Rated short-circuit breaking current	25/31.5 kA
Rated short-duration withstand current (4s)	25/31.5 kA
Rated lightning impluse withstand voltage(to earth/break)	125/145 kV
Rated short-circuit making current (peak value)	63/80 kA
Rated peak withstand current	63/80 kA
Rated short-circuit current breaking times	30 times
Mechanical service life of vacuum circuit breaker	10,000 times
CT transformation ratio	100-2,000/1 or 200-2,000/1
Rated operating sequence of circuit breaker	O-0.3s-CO-180s-CO
Total weight	300+50 kg

72.5kV Outdoor High Voltage Vacuum Circuit Breaker

Rated voltage	72.5 kV
Rated current	1,600/2,000/2,500 A
Rated frequency	50 Hz
Rated short-duration (1 min) power frequency withstand voltage	160 kV
Rated short-circuit breaking current	31.5 kA
Rated short-duration withstand current (4s)	31.5 kA
Rated lightning impluse withstand voltage(to earth/break)	350 kV
Rated short-circuit making current (peak value)	80 kA
Rated short-circuit current breaking times	20 times
Operating time	40 - 60 ms
Operating voltage	AC/DC 220 V
Mechanical service life	>10,000 times
Main circuit resistance	<85 uΩ

Using Environment:

Description		Unit	Using Environment Value
Surrounding Air	Max Temperature	ºC	+50
	Min Temperature	ºC	-50
	Max Daily Temperature Difference	K	30
Altitude		m	≤2,000
Solar Radiation Intensity		W/cm2	0.1
Pullution Class			IV
Icing-Thickness		mm	10
Humidity	Average Value of Daily Relative Humidity	%	≤100
Humidity	Average Value of Monthly Relative Humidity	%	≤95
Earthquake Torelance Ability		Degree	≤8