LAR is applied to three-phase AC 50Hz, rated voltage is 15 ~ 38kV of outdoor high voltage switch equipments.Circuit breaker in accord with the national standard GB1984 "high voltage AC circuit breaker" and "professional standards JB3855 3.6 ~ 40.5kV outdoor AC high-voltage vacuum circuit breaker" and the related IEC standards. Pole Mounted Circuit Breaker is widely used in10KV distribution network(power plant and substation for electric equipment control and protection),substations,industrial companies,mining companies etc.A circuit breaker having repeatedly interrupting and fast re-closing ability.
No transformer oil or SF6 gas inside it, it meets the non oil improvement and environment protection requirements.
1. Air temperature:Maximum temperaatture:+85ºC:Minimum temperature:-45ºC
2.Humidity: Monthly average humidity 95%;Daily average humidity 90%
3. Altitude above sea level:Maximum installation altitude:2500m or more higher
4.Ambient air not apparently polluted by corrosive and flammable gas,vapour etc.
5. No frequient violent shake
With optional classes for rated current range:
Rating voltage available from 15kV-38kV
Rating current available from 200A to 1600A
Breaking capacity from 12.5kA-31.5kA
With optional classes for installation styles:
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. Directional over-current protection(*).
Over-voltage 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. DNP3.0 communication protocol support(*). Modbus communication protocol is optional(*).
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 operations record.
Fault record and normal operation record.
Note: (*) mean should customized by manufacturer if needed.
Lawrence Electric Co., Ltd. is a high-tech enterprise focusing on power transmission and distribution products, providing customers with one-stop service of power transmission and distribution products.
It mainly produces and sells lightning arrester, insulator, fuse, isolation / load switch, SF6 / vacuum circuit breaker, power supply fittings, optical cable fittings, switch cabinet and other transmission and distribution products. The company has production bases and sales centers in Jiangxi, Zhejiang, Uganda, Tanzania and other places.
Our products have operated safely in the power supply systems of more than 20 countries and regions around the world for more than 10 years. They are also qualified suppliers of China State Grid and China Southern Power Grid. At present, they have gained a good reputation in the field of power system in the world.
We have received high-quality product recommendation letters from power supply companies in Kenya, Uganda, Tanzania, Zambia, Guinea, Ghana, Togo, Mozambique, Nepal, Guyana, Myanmar and other countries and regions.
OUR VISION: ONE STOP SERVICE FOR THE GLOBAL DISTRIBUTION AND SUBSTATION ELECTRICAL MATERIALS.
OUR VALUE: SUPERIOR QUALITY BUILDS THE FOUNDATION, EFFICIENT SERVICE WINS CUSTOMER’S CREDIT.
OUR SPIRIT: FOCUS ON TEAMWORK AND COLLABORATION
BRAVE IN EXPLORATION AND CREATIVITY
NEVER GIVE UP ON ANY COMPANY PERSONNEL
TO CREATE A BRILLIANT TOMORROW TOGETHER
CONDUCT CODE: LISTEN, SMILE, PRAISE, APPRECIATE
OUR RESPONSIBILITY: MAXIMIZE CUSTOMER’S PROFIT, CREATE GREAT CONDITION FOR STAFF,
MAKE CONTRIBUTIONS TO THE WHOLE WORLD ！。