ABB 1SVR630660R0100 Insulation Monitoring Relay

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1. Product Overview

The ABB 1SVR630660R0100 Insulation Monitoring Relay continuously monitors insulation resistance in unearthed (IT) DC or AC systems. When insulation resistance drops below a preset threshold, the relay triggers an alarm to alert maintenance personnel, preventing equipment damage, fire hazards, and electric shock. The relay supports single- or three-phase monitoring, adjustable alarm thresholds, delay functions, and multiple output configurations, widely used in industrial, power, and infrastructure systems.

2. Technical Specifications

3. Key Features & Advantages

• Continuous insulation monitoring for early fault detection

• Adjustable alarm thresholds for flexible application

• Fast response down to 200 ms for safety-critical systems

• Multiple output configurations for alarms, interlocks, or remote monitoring

• Wide voltage compatibility for AC and DC IT systems

• Compact DIN rail design for easy panel integration

• Industrial standard certified to IEC 61557‑8 for electrical safety

4. Typical Applications

• Industrial IT system insulation monitoring

• Power plants, substations, and distribution systems

• Medical equipment supply systems

• Data centers and communication base station IT systems

• Elevators, rail transport, and infrastructure electrical protection

• Automation and factory control panels

5. Installation & Safety Notes

1. Correct wiring: Connect input terminals to the IT system properly to avoid measurement errors.

2. Set alarm threshold: Adjust insulation resistance alarm value according to system requirements.

3. Environmental conditions: Install in dry, ventilated areas free from dust, moisture, or corrosive gases.

4. Regular inspection: Test insulation monitoring function and relay outputs periodically.

5. Power supply matching: Ensure supply voltage matches the relay model to avoid damage.

6. Complementary protection: Use with breakers, fuses, or other protection devices for overall system safety.

The structure and details of the product：

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