罗克韦尔Allen-Bradley(AB ) :
E3 和 E3 Plus 电子式过载继电器
Bulletin 193 IEC 和 592 NEMA E3 及 E3 Plus 电子式过载继电器采用完整紧凑的封装，提供丰富的功能，是最出色的世界级产品。这些基于微处理器的多功能固态型继电器是为保护单相或三相鼠笼感应电机而设计的。这些继电器可帮助您管理和监视电机性能，以防止并最大程度地降少生产停机时间。
特性
0.4…90 A 电流范围
DeviceNet 就绪（已进行 ODVA 合规性测试）
LED 指示灯和测试/复位按钮
可调脱扣等级 5…30
环境温度补偿
真实均方根 (RMS) 电流感应 (20…250 Hz)
单相和三相电机保护
集成 I/O（2 输入/1 输出）
可编程脱扣和警告设置
诊断功能（最后 5 次脱扣的历史记录）
EC4 和 EC5 还包括：193-EC4AB 193-EC4, E3 Plus Current Monitor Relay, 4 Inputs 2 Outputs, PTC thermistor b, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 1-5A 
193-EC4BB 193-EC4, E3 Plus Current Monitor Relay, 4 Inputs 2 Outputs, PTC thermistor b, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 3-15A 
193-EC4CB 193-EC4, E3 Plus Current Monitor Relay, 4 Inputs 2 Outputs, PTC thermistor b, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 5-25A 
193-EC4DD 193-EC4, E3 Plus Current Monitor Relay, 4 Inputs 2 Outputs, PTC thermistor b, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 9-45A 
193-EC4EE 193-EC4, E3 Plus Current Monitor Relay, 4 Inputs 2 Outputs, PTC thermistor b, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 18-90A 
193-EC4PB 193-EC4, E3 Plus Current Monitor Relay, 4 Inputs 2 Outputs, PTC thermistor b, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 0.4-2.0A 
193-EC4ZZ 193-EC4ZZ Panel Mount Device for use with External Current Transbers, 4 Inputs 2 Outputs, External Ground Fault Sensor Input, PTC Thermistor Input, DeviceLogix, 9-5000A 

193-EC5AB 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 1-5A 
193-EC5BB 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 3-15A 
193-EC5CB 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 5-25A 
193-EC5CD 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 5-25A 
193-EC5DD 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 9-45A 
193-EC5DE 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 9-45A 
193-EC5EE 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 18-90A 
193-EC5FF 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 28-140A 
193-EC5GF 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 42-210A 
193-EC5GG 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 42-210A 
193-EC5HG 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 60-302A 
193-EC5JG 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 84-420A 
193-EC5KH 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 125-630A 
193-EC5LH 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 172-860A 
193-EC5PB 193-EC5, E3 Plus with Voltage Protection and Energy Monitoring, 6 Inputs 2 Outputs, Voltage Monitoring, DeviceLogix Series B, External ground fault sensor b, Direct Contactor Mount, 0.4-2.0A 
193-EC5ZZ 193-EC5ZZ Panel Mount Device for use with External Current Transbers, 9-5000A