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產品名稱：電動機保護繼電器
型號：NJBK7
NJBK7-800系列電動機保護繼電器（以下簡稱保護器），適用于交流頻率50Hz、額定絕緣電壓至AC690V以下、額定工作電流1A～800A的長期工作或間斷工作的交流電動機的過載、阻塞、斷相、三相不平衡、欠流、接地、PTC溫度、通訊故障等保護。該保護器具有RS485接口，4mA～20mA模擬量變送接口，可以組網通信，通過上位機對電機實現遠程監(jiān)視、控制、故障查詢等功能。大電流規(guī)格采用柔性的羅式線圈采集電流，具有整定電流范圍廣，精確度高、安裝方便等優(yōu)點。保護器一般與交流接觸器配合使用。
產品符合標準：GB/T 14048.4、IEC60947-4-1。
- 品牌 正泰
- 分類 電機保護斷路器
- 關鍵詞 NJBK7 NJBK7 80A～800A AC/DC100V～240V NJBK7 80A～800A AC220V NJBK7 80A～800A AC380V NJBK7-200 40A～200A AC/DC100V～240V NJBK7-200 40A～200A AC220V NJBK7-200 40A～200A AC380V NJBK7-200M 40A～200A AC/DC100V～240V NJBK7-200M 40A～200A AC220V NJBK7-200M 40A～200A AC380V NJBK7-200MT 40A～200A AC/DC100V～240V NJBK7-200MT 40A～200A AC220V NJBK7-200MT 40A～200A AC380V NJBK7-200T 40A～200A AC/DC100V～240V NJBK7-200T 40A～200A AC220V NJBK7-200T 40A～200A AC380V NJBK7-50 10A～50A AC/DC100V～240V NJBK7-50 10A～50A AC220V NJBK7-50 10A～50A AC380V NJBK7-50 1A～5A AC/DC100V～240V NJBK7-50 1A～5A AC220V NJBK7-50 1A～5A AC380V NJBK7-50 2A～10A AC/DC100V～240V NJBK7-50 2A～10A AC220V NJBK7-50 2A～10A AC380V NJBK7-50 6A～30A AC/DC100V～240V NJBK7-50 6A～30A AC220V NJBK7-50 6A～30A AC380V NJBK7-50M 10A～50A AC/DC100V～240V NJBK7-50M 10A～50A AC220V NJBK7-50M 10A～50A AC380V NJBK7-50M 1A～5A AC/DC100V～240V NJBK7-50M 1A～5A AC220V NJBK7-50M 1A～5A AC380V NJBK7-50M 2A～10A AC/DC100V～240V NJBK7-50M 2A～10A AC220V NJBK7-50M 2A～10A AC380V NJBK7-50M 6A～30A AC/DC100V～240V NJBK7-50M 6A～30A AC220V NJBK7-50M 6A～30A AC380V NJBK7-50MT 10A～50A AC/DC100V～240V NJBK7-50MT 10A～50A AC220V NJBK7-50MT 10A～50A AC380V NJBK7-50MT 1A～5A AC/DC100V～240V NJBK7-50MT 1A～5A AC220V NJBK7-50MT 1A～5A AC380V NJBK7-50MT 2A～10A AC/DC100V～240V NJBK7-50MT 2A～10A AC220V NJBK7-50MT 2A～10A AC380V NJBK7-50MT 6A～30A AC/DC100V～240V NJBK7-50MT 6A～30A AC220V NJBK7-50MT 6A～30A AC380V NJBK7-50T 10A～50A AC/DC100V～240V NJBK7-50T 10A～50A AC220V NJBK7-50T 10A～50A AC380V NJBK7-50T 1A～5A AC/DC100V～240V NJBK7-50T 1A～5A AC220V NJBK7-50T 1A～5A AC380V NJBK7-50T 2A～10A AC/DC100V～240V NJBK7-50T 2A～10A AC220V NJBK7-50T 2A～10A AC380V NJBK7-50T 6A～30A AC/DC100V～240V NJBK7-50T 6A～30A AC220V NJBK7-50T 6A～30A AC380V NJBK7-800/10/AC220V 2A～10A NJBK7-800/10/AC380V 2A～10A NJBK7-800/100/AC220V 20A～100A NJBK7-800/100/AC380V 20A～100A NJBK7-800/40/AC220V 8A～40A NJBK7-800/40/AC380V 8A～40A NJBK7-800/400/AC220V 80A～400A NJBK7-800/400/AC380V 80A～400A NJBK7-800/5/AC220V 1A～5A NJBK7-800/5/AC380V 1A～5A NJBK7-800/800/AC220V 200A～800A NJBK7-800/800/AC380V 200A～800A NJBK7-800M/10/AC220V 2A～10A NJBK7-800M/10/AC380V 2A～10A NJBK7-800M/100/AC220V 20A～100A NJBK7-800M/100/AC380V 20A～100A NJBK7-800M/40/AC220V 8A～40A NJBK7-800M/40/AC380V 8A～40A NJBK7-800M/400/AC220V 80A～400A NJBK7-800M/400/AC380V 80A～400A NJBK7-800M/5/AC220V 1A～5A NJBK7-800M/5/AC380V 1A～5A NJBK7-800M/800/AC220V 200A～800A NJBK7-800M/800/AC380V 200A～800A NJBK7-800MT/10/AC220V 2A～10A NJBK7-800MT/10/AC380V 2A～10A NJBK7-800MT/100/AC220V 20A～100A NJBK7-800MT/100/AC380V 20A～100A NJBK7-800MT/40/AC220V 8A～40A NJBK7-800MT/40/AC380V 8A～40A NJBK7-800MT/400/AC220V 80A～400A NJBK7-800MT/400/AC380V 80A～400A NJBK7-800MT/5/AC220V 1A～5A NJBK7-800MT/5/AC380V 1A～5A NJBK7-800MT/800/AC220V 200A～800A NJBK7-800MT/800/AC380V 200A～800A NJBK7-800T/10/AC220V 2A～10A NJBK7-800T/10/AC380V 2A～10A NJBK7-800T/100/AC220V 20A～100A NJBK7-800T/100/AC380V 20A～100A NJBK7-800T/40/AC220V 8A～40A NJBK7-800T/40/AC380V 8A～40A NJBK7-800T/400/AC220V 80A～400A NJBK7-800T/400/AC380V 80A～400A NJBK7-800T/5/AC220V 1A～5A NJBK7-800T/5/AC380V 1A～5A NJBK7-800T/800/AC220V 200A～800A NJBK7-800T/800/AC380V 200A～800A 保護繼電器 正泰 電動機保護繼電器 繼電器