用途及使用范围Purposeandscopeof use

TOJCW1系列智能型万能式断路器(以下简称断路器)，适用于50Hz，额定电压至660V(690V)及以下，额定电流400A~6300A的配电网络中，用来分配电能和保护线路及电源设备免受过载、欠电压、短路、单相接地等故障的危害。断路器具有智能化保护功能，选择性保护精确，能提高供电可靠性，避免不必要的停电。同时带有开放式通讯接口，可进行四遥，以满足控制中心和自动化系统的要求。该断路器在海拔2000米时脉冲耐压8000V(不同海拔按标准修正，最多不超过12000V)。该断路器不带智能控制器及传感器可作隔离器用，标示为。

TOJCW1 Series lntelligent Universal Circuit Breakers(hereinater referred to as circuit breakers) are used in power distributionnetworks with AC 50Hz. rated voltage up to 660v(690v) and below and rated current 400 A to 6300 A to distribute electric energy andprotect lines and power supply equipment from overload, undervoltage, shor circuit, single-phase grounding and other faults. Thecircuit breaker has theinteligent protectionfunction,the selective protection is accurate,the power supplyreliablity can beimprovedand the unnecessary power failure can be avoided,Atthe sametime, ithas anopen communicationinterface, which can be used forfouiremote controlto meetthe requirements of control center and automation system. The circuit breaker has a pulse withstand voltage of8.000 V at an altitude of2,000 meters (revised according to standards at diferent altitudes, with a maximum of 12.000 v), The circuitbreaker is notequipped with intelligent controller and sensor, which can be used asisolator and is marked as .

型号及其含义Modelandits meaning