Audited Supplier
RCW38
High Voltage Circuit Breakers
Electric Type
High-Speed Circuit Breaker
Vacuum
Fixed
Conventional Circuit Breaker
3
Circuit Breaker
Overcurrent Protection, Circuit-Breaker Failure P
ISO9001-2000, Kema
Rockwill
Wooden
iec
China
85352100
Product Description
33kv High Voltage Outdoor Auto Circuit Recloser with Intelligent Controller
General
Rockwill Electric strives to bring our customers the latest technology and competitive pricing and best service for distribution automatic.
The RCW series automatic circuit reclosers can use on overhead distribution lines as well as distribution substation applications for all voltage classes 11kV up to 38kV at 50/60HZ power system. and its rated current can reach 1250A.
The RCW series automatic circuit reclosers integrates the functions of control, protection, measurement, communication, fault detection, on-line monitoring of closing or opening.
Service environment
a) Air temperature: Maximum temperature: +85ºC; Minimum temperature:-45ºC
b) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
c) Altitude above sea level: Maximum installation altitude:2500mor more higher.
d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
e) No frequent violent shake
Main technical data
| No. | item | unit | data | |||
| 1 | Rated voltage | kV | 15 | 27 | 38 | |
| 2 | Rated current | A | 630 | 1250 | 800 | |
| 3 | Rated frequency | Hz | 50/60 | |||
| 4 | Power frequency 1 min | Dry | kV | 50 | 65 | 85 |
| Wet | kV | 45 | 55 | 75 | ||
| 5 | Lightning impulse withstand voltage(peak value) alternate, opposite/fracture | kV | 100 | 125/150 | 170 | |
| 6 | Rated short circuit breaking current | kA | 20 | 16/25 | 12.5 | |
| 7 | Rated short current switching current(peak value) | kA | 50 | 40/63 | 31.5 | |
| 8 | Rated peak value withstand current | kA | 50 | 40/63 | 31.5 | |
| 9 | 4S short time withstand current | kA | 20 | 16/25 | 12.5 | |
| 10 | Rated operating circulate | O-T1-CO-12s-CO-12s-CO-12s-CO | ||||
| 11 | Breaking current frequency under rated short circuit | times | 30 | |||
| 12 | Mechanism life | times | 10000 | |||
| 13 | Secondary loop 1 min power frequency withstand voltage | 2 | ||||
