ABB 81EU01E-E GJR2391500R1210 Input Module universal

ABB 81EU01E-E Technical specifications​

Number of input channels: 16 or 32 digital inputs

Input voltage: 24 V DC

Input signal type: switch signal, pulse signal, frequency signal

Maximum signal frequency: 500 kHz

Response time: ≤1 ms

Isolation voltage: 2500 V

Operating temperature range: -40°C to +70°C

Protection level: IP67

Communication interface: Supports multiple communication interfaces, such as Ethernet interface or other standard bus interface

Rated current range: 0.5A - 50A (CT can be expanded to 500A)

Rated voltage: 110-690V AC (50/60Hz)

Input signal: 3-phase current (CT input), 3-phase voltage (optional)

Relay output: 2CO (contact capacity: 5A @ 250V AC)

Communication interface: Modbus RTU (RS485)

Protection function: overload, phase loss, stall, unbalance, ground fault

Measurement accuracy: current ±1%, voltage ±2%

Power supply voltage: 24-240V AC/DC

Installation method: panel type

Purpose:ABB 81EU01E-E is an electronic motor protection relay, belonging to the ABB MPR series, designed for comprehensive protection and control of low-voltage motors. Its core function is to monitor motor current, voltage, temperature and other parameters in real time, provide overload, phase loss, stall, imbalance and other fault protection, and support start-stop control.

Application:Industrial manufacturing: Intelligent protection of motors such as pumps, fans, and compressors. Building facilities: Energy consumption management and fault warning of HVAC systems and elevator motors. Water treatment and energy: High reliability protection of sewage pumps and seawater desalination equipment. Mining and metallurgy: Heavy-load adaptation of crushers and conveyor belt motors.