Recloser
· Outdoor installation
· Three phase three wire
· Rated voltage:3.3kV, 6kV, 10kV, 11kV, 12.5kV, 13.8kV
· Rated current: 630-2000A
· Short-circuit breaking current: 25kA
· Short-circuit closing current(peak): 62.5kA
· Standard: IEC, ANSI, GB
· Type name: UNZW-32
General
Unisun Electric strives to bring our customers the latest technology and competitive pricing and best service for pole mounted Auto circuit recloser
The UNZW32 series Auto circuit recloser can use on overhead distribution lines as well as distribution substation applications for all voltage classes 33kV up to 36kV at 50/60HZ power system. And its rated current can reach 1250A.
The UNZW32 series Auto circuit recloser integrates the functions of control, protection, measurement, communication,fault detection,on-line monitoring of closing or opening.
Standard
All UNISUN Electric breaker are in conformity with IEC standards, and recommendations IEC60694、IEC6227-100. Breakers in conformity with specific country standards can also be supplied. (IEEE, GB).
Specification data sheet
Parameter name | Unit | Number of values | ||
Rated voltage | kV | 33 | ||
Max voltage | A | 630/1250/1600/2000 | ||
Rated current | Hz | 50/60 | ||
Power frequency withstand voltage (1min) | Dry ( whitel fracture ) | kV | 185 | |
wet (on the ground outside the insulation) | 95 | |||
Lightning impulse withstand voltage (peak value) | kV | 185 | ||
Rated short circuit breaking current | kA | 25 | 31.5 | |
Rated short – circuit current (peak) | kA | 63 | 80 | |
Rated currentpeak tolerance | kA | 63 | 80 | |
4s short-term resistance current | kA | 25 | 31.5 | |
Rated operating cycle | o-0.3s-co-18os-co | |||
Rated short- circuit currentbreaking time | Times | 30 | ||
Mechanicallife | Times | 10000 | ||
secondary circuit 1 min power frequency withstand voltage | kV |
Overall dimension