LYM-501-F/5A/F/L+DO1+T910+ZT30+EA
LYM-503-F/5A/F/L+DO1+T910+ZT30+EA
LYM-504-F/5A/F/L+DO1+T910+ZT30+EA
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LYM-506-F/5A/F/L+DO1+T910+ZT30+EA
LYM-501-F/5A/F/L+DO1+T910+ZT30+EA電機(jī)保護(hù)器
主要功能
保護(hù)功能：
過(guò)流、堵轉(zhuǎn)、斷相、三相電流不平衡、過(guò)壓、欠壓、短路、漏電（選配）等故障保護(hù)
測(cè)量功能：
三相電流、控制回路電壓的測(cè)量和顯示
通用功能：
增安型電動(dòng)機(jī)保護(hù)、三相異步電動(dòng)機(jī)保護(hù)、饋線保護(hù)，三種保護(hù)裝置通用
通信功能：
通過(guò)本保護(hù)器的RS485接口與上層系統(tǒng)通信。總線接口支持參數(shù)設(shè)置、控制及監(jiān)測(cè)等功能，支持Modbus通信協(xié)議。
一般采用RS485總線接口進(jìn)行物理連接，通常上位機(jī)或PLC設(shè)備作為主站，本保護(hù)器作為子站。
電流輸出：
4～20mA電流輸出，20mA對(duì)應(yīng)的電流值可設(shè)。
起動(dòng)方式：
直接起動(dòng)、正反起動(dòng)、Y-△起動(dòng)、自耦降壓起動(dòng)、遠(yuǎn)程自啟動(dòng)
規(guī)格 | 電流范圍 | 電機(jī)功率 | 備注： 1、 選用保護(hù)器規(guī)格時(shí)，必須依據(jù)電動(dòng)機(jī)功率而定。（選型表的電機(jī)功率是按AC380V） 2、 電壓規(guī)格為AC220V和AC380V，以控制電機(jī)二次回路電壓而定。 3、 規(guī)格為300A、400A、500A、600A、800A保護(hù)器，必須加裝三個(gè)變比為5A的電流互感器。 4、 變比5A的電流互感器，安裝時(shí)5A線必須圍著電流傳感器繞5匝，1A繞10匝。 5、 加裝三個(gè)變比為1A電流互感器的需在訂貨時(shí)注明 |
10A | 1~10A | 1~5KW | |
50A | 5~50A | 4~25KW | |
100A | 10~100A | 20~50KW | |
200A | 20~200A | 50~90KW | |
300A | 50~300A | 75~150KW | |
400A | 100~400A | 100~200KW | |
500A | 150~500A | 130~250KW | |
600A | 200~200A | 150~300KW | |
800A | 300~800A | 200~400KW |
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