ABB TVOC-2-240 1SFA664001R1001 Arc flash protection relay

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Product Overview

The ABB TVOC-2-240 is an industrial-grade arc flash protection relay designed to detect and rapidly isolate arc faults in electrical systems, protecting equipment and personnel. It is suitable for low- and medium-voltage distribution systems and significantly reduces damage and downtime caused by arc faults. The TVOC-2-240 features high sensitivity, fast response, and easy integration with ABB circuit breakers and switchgear.

Technical Specifications

• Model: TVOC-2-240

• Order No.: 1SFA664001R1001

• Type: Arc Flash Protection Relay

• Supply Voltage: 100–240 V AC/DC

• Detection Method: Arc current monitoring

• Trip Time: ≤ 10 ms

• Rated Working Current: Refer to associated circuit breaker

• Output Contacts: Relay output for circuit breaker control

• Protection Rating: IP20

• Operating Temperature: -25°C–55°C

• Mounting: Panel or DIN rail

• Compatible Systems: ABB low- and medium-voltage distribution systems, circuit breakers, and switchgear

• Standards: IEC 60204, IEC 60947-2, IEEE 1584

Key Features & Advantages

• Fast response — quickly isolates power during arc faults, protecting equipment and personnel

• High sensitivity — detects low-current arc faults

• Easy integration — seamless compatibility with ABB circuit breakers and distribution systems

• High reliability — industrial-grade design suitable for harsh environments

• Enhanced safety — significantly reduces risk of arc fires and electrical accidents

• User-friendly operation — panel display and relay output facilitate setup and maintenance

Application Areas

• Industrial low- and medium-voltage distribution systems

• Electrical substations and switchgear

• Electrical safety protection for factories and industrial facilities

• Data centers and critical infrastructure

• Petrochemical, steel, water treatment, and large production lines

Precautions

1. Verify supply voltage and wiring before installation

2. Only use with compatible circuit breakers or switchgear

3. Avoid installation in high humidity, high temperature, or corrosive environments

4. Regularly inspect relay status and function

5. Disconnect power before maintenance or replacement

6. Avoid strong mechanical impacts to protect sensitive electronics

The structure and details of the product：

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