Insulation Resistance Monitoring Range:0-100 MΩ
Operating Temperature Range:-20°C to +70°C
Accuracy at 20°C:+/-5% FS
Response Time:< 1 second
Power Supply Voltage:24V DC
Communication Interface:Modbus RTU
Relay Outputs:2
Operating Humidity Range:5% to 95% non-condensing
The ABB IRDH275B-427 Insulation Monitor is a critical component in safeguarding against electrical hazards in industrial environments. It offers an advanced monitoring system that ensures the integrity of insulation levels, thereby preventing catastrophic failures and reducing downtime.
With a wide operating voltage range of 230V AC, this monitor is versatile enough for various applications. Its ability to detect and alert on insulation resistance levels down to 0.5MΩ to up to 50GΩ ensures that any potential issues are identified before they escalate.
Featuring a comprehensive alert system, the monitor can notify operators through LED indicators, an audible alarm, or SNMP traps, ensuring timely response and immediate action. This proactive approach minimizes the risk of unexpected shutdowns and maintenance costs.
Operated under harsh environmental conditions from -20°C to +60°C with up to 95% relative humidity, the ABB IRDH275B-427 is built to withstand the rigors of industrial settings. Its power consumption is optimized at a maximum of 1W, ensuring efficient energy use.
For communication, it supports Modbus RTU, allowing seamless integration with existing systems for easy monitoring and data logging. The compact size (150mm x 115mm x 85mm) and lightweight design (0.5kg) make it easy to install and maintain, fitting into tight spaces without compromising performance.
Investing in the ABB IRDH275B-427 Insulation Monitor means investing in the safety and reliability of your industrial operations. Its advanced features, combined with ABB’s commitment to quality, make it an indispensable tool for maintaining high standards of electrical safety.
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