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用途及使用范圍Purposeandscopeof use

TOJCW1系列智能型萬能式斷路器(以下簡稱斷路器)，適用于50Hz，額定電壓至660V(690V)及以下，額定電流400A~6300A的配電網絡中，用來分配電能和保護線路及電源設備免受過載、欠電壓、短路、單相接地等故障的危害。斷路器具有智能化保護功能，選擇性保護精確，能提高供電可靠性，避免不必要的停電。同時帶有開放式通訊接口，可進行四遙，以滿足控制中心和自動化系統的要求。該斷路器在海拔2000米時脈沖耐壓8000V(不同海拔按標準修正，最多不超過12000V)。該斷路器不帶智能控制器及傳感器可作隔離器用，標示為。

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 .

型號及其含義Modelandits meaning