一 概述 Overview

ALP300 保护器(以下简称保护器)具有抗干扰能力强、工作稳定可靠、数字化、智能化等特点。保护器能对电动机运行过程中出现的起动超时、过压、欠压、过载、断相、不平衡、欠载、接地/漏电、阻塞、短路、外部故障等多种情况进行保护，现场维护人员可通过数码管显示屏快速查找故障原因。本保护器具有RS485远程通讯接口，DC4~20mA模拟量输出，方便与PLC、PC等控制机组成网络系统，实现电动机运行的远程监控。

ALP300 protector hereinafter referred to as protectorhas features of strong capacity of resisting disturbance stable and reliable workingdigitization and intellectualization and so on.The protector can protect the motor during operation in case ofovertime startingunder-voltage,over-voltageover-load open phase unbalance.under-load.ground/electric leakblocking short circuit and external faults and so on. The field maintenance personnel may rapidly find the fault cause with the digit displayThe protector has RS485 remote communication interface and DC4~20mA analog quantity output to compose the network system with PLC and PC control units and to achieve remote monitoring of motor operation

二 产品型号 Product type

3 通用技术指标 General technical index