ABB TVOC-2-240 Arc Monitor

Product Introduction

The ABB TVOC-2-240 is an arc monitoring system designed to detect and mitigate arc faults in electrical systems. It serves as an arc protection relay, aiming to protect personnel and equipment from the hazards associated with arc faults. The system is known for its rapid response time, which is crucial for preventing damage and ensuring safety in industrial environments.

Technical Specifications

Input Voltage: 100-250 V DC or 100-240 V AC 50/60 Hz

Category: ABB

Description

Number of Detector Inputs: 10 (expandable up to 30 with additional expansion units)
Response Time: Less than 1 millisecond to send a trip signal to the circuit breaker upon detecting an arc
Communication Interface: RS485, Modbus RTU, BACnet MS/TP (for integration with other systems)
Operating Temperature: -10°C to 50°C
Operating Humidity: 0-95% RH (non-condensing)
Dimensions: 210 mm (width) x 230 mm (height) x 80 mm (depth)
Weight: 1.2 kg

Functional Characteristics

Rapid Detection and Response: The TVOC-2-240 detects arc faults through optical sensors and sends a trip signal to the circuit breaker in less than 1 millisecond, effectively extinguishing the arc and preventing damage.
High Reliability: The system is designed to operate reliably in harsh industrial environments, with a focus on minimizing false trips and ensuring accurate arc detection.
Flexible Configuration: It supports up to 10 detector inputs, which can be expanded to 30 with additional expansion units. This allows for extensive coverage of electrical equipment and switchgear.
User-Friendly Interface: The system features a removable keyboard and a full-text HMI (Human-Machine Interface) for easy configuration, monitoring, and troubleshooting.
Diagnostic Capabilities: The TVOC-2-240 maintains a log of errors and events, including timestamps, for diagnostic purposes. This helps in identifying the root cause of issues and taking corrective actions.
Integration and Communication: It supports multiple communication protocols, enabling seamless integration with other automation systems and remote monitoring capabilities.

Application Scenarios

Low and Medium Voltage Switchgear: The TVOC-2-240 is widely used in low and medium voltage switchgear to protect against arc faults, which can cause significant damage to equipment and pose a risk to personnel.
Industrial Automation: In industrial settings, where electrical equipment is critical for operations, the TVOC-2-240 provides an additional layer of safety by quickly detecting and mitigating arc faults.
Power Generation and Distribution: The system is also applicable in power generation and distribution facilities, where arc faults can disrupt power supply and cause equipment damage.
Data Centers: Data centers rely heavily on uninterrupted power supply. The TVOC-2-240 helps ensure the reliability of electrical systems by preventing arc faults that could lead to downtime.

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