38kv Vcb Auto-Recloser Circuit Breaker
- Model NO.: vd4
- Operation: Electric Type
- Arc-extinguishing Medium: Vacuum
- Structure: Steel
- Type: Circuit Breaker
- Certification: VDE, ISO9001-2000, CCC
- Specification: IEC60694. GB1984-2003
- HS Code: 85389000
- Breaking Capacity: High Voltage Circuit Breakers
- Speed: High-Speed Circuit Breaker
- Installation: Insert
- Poles Number: 4
- Function: Circuit-Breaker Failure Protection
- Trademark: Shanghai Electric
- Origin: Shanghai
With optional classes for rated current range:
For 15kV, with 630A, 20kA Breaking capacity. 800A, 20kA capacity, and 1250A, 20kA.
For 27kV, with 630A, 20kA Breaking capacity. 800A, 16kA capacity, and 1250A, 25kA.
For 38kV, with 800A, 12.5kA, . And 1250A, . 20kA only.
With optional classes for installation styles:
Single phase, vacuum recloser.
Three phase, vacuum recloser.
With optional relay protection curves for user choice:
Instantaneous over-current protection.
Timing over-current protection.
Negative sequence over-current protection.
Under voltage protection.
With optional choice by locally or remotely.
With optional communication protocols & I/O port for user choice:
RS-232 and RS-485 ports supporting.
IEC 60870-5-101 communication protocol support.
The recloser can communicate through GPRS(Or GSM) modem with English or Chinese languege (*).
With optional measurement functions for user:
Rated currents, System phase current.
Rated voltages, System phase voltage& secondary low voltage power supply voltage.
Frenquency, power(kWh), reactive power(kVarh), power factor.
With optional reclosing interval for user pre-program:
Reclosing times setting support.
Dead time setting support.
With events recording function:
SOE 64-124 operations record.
Fault record and normal operation record.
Note: (*) mean should customized by manufacturer if needed.
Applying ambient conditions
2.The height above sea level:≤1000m(besides the special requirements).
3.Relative humidity:the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%.
4.Saturated vapour pressure:the average pressure of a day should be no more than 2.2kPa;the average pressure of a month should be no more than 1.8kPa.
5.Earthquake intensity:not exceed 8 degrees.
6.It should be installed in the places without fire,explosion,serious filth,chemical erosion and violent vibration.