TVL Voltage Limiting Device

In case of overvoltage, the TVL limits the dangerous voltage to very low safe values. In addition, in case of faults (e.g. accidental short-circuits with the contact lines), the TVL generates a durable conductive path between the overloaded area and the substation. This results in increased current loads being sensed at the substation, allowing an efficient tripping of the safety circuit breaker.

• Fast response time
• Efficient elimination of dangerous overvoltage to very low safe voltage values
• Low residual voltage ensured by Metal Oxide Varistor (MOV) module
• Temperature independent triggering voltage
• Guaranteed recoverability for long term currents
• Combined protection for personnel, passengers and equipment
• Bidirectional operation for protection against overvoltages in both polarities