ABB 4890024-LC YXO116 Voltage Monitor

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ABB 4890024-LC YXO116 Voltage Monitor

1. Product Overview & Specifications

• Model / Part Number: 4890024-LC YXO116

• Product Type: Voltage Monitor Module

• Main Function: Monitors system voltage in real time and provides over-voltage and under-voltage protection signals

• Monitoring Voltage Range: 18–30 VDC (designed for 24 V systems)

• Measurement Accuracy: ±1%

• Power Input: 24 V DC nominal

• Output Type: Relay contact output / digital alarm output

• Response Time: < 10 ms

• Alarm Indication: LED indicator + digital output

• Isolation: Electrical isolation between input and output

• Operating Temperature: -10°C to +55°C

• Mounting: DIN rail or control cabinet installation

• Compatible Systems: ABB automation systems, motor drives, power management systems

2. Advantages & Key Features

1. High-precision voltage monitoring
   ±1% accuracy ensures reliable detection of voltage conditions.

2. Fast protection response
   <10 ms response time ensures rapid system protection.

3. Multiple alarm outputs
   Relay contacts and LED indication allow clear signaling and system linkage.

4. Strong anti-interference capability
   Industrial-grade isolation ensures stable performance in harsh EMC environments.

5. Excellent compatibility
   Works seamlessly with ABB drives, PLCs, inverters, and protection devices.

6. Compact and easy to install
   DIN-rail structure simplifies expansion and maintenance.

3. Typical Application Areas

• ABB automation control systems

• Industrial power supply monitoring

• Motor drive voltage protection

• Control cabinet power management

• Process industry equipment monitoring

• Inverter/soft-starter auxiliary voltage protection

4. Precautions & Usage Notes

1. Ensure correct wiring
   Follow ABB wiring specifications for input and output connections.

2. Avoid over-voltage input
   Excess voltage may permanently damage the module.

3. Proper installation environment
   Keep away from humidity, dust, corrosive gases, and excessive temperatures.

4. Regular inspection
   Verify alarm signals and system voltage to maintain protection reliability.

5. Disconnect power before service
   All installation or maintenance must be performed without power.

The structure and details of the product：

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