FAIL-SAFE SIGNALING

Intertech Rail since its foundation in 2004 manufactures Fail Safe Rail Relays that are widely used in all types of railroads.


This type of relay with more than 300 types of variations are all fail safe, that is, any problem, any breakdown in the equipment, it uses gravity to get into the safest position.


This type of relay has a wide usability in the railway industry for its safety guarantee for many years.


Intertech Rail manufactures all types of rail relays to order, the main types being the B1 and B2 types that you can find in the following catalogs.


However, all the old relays you can find at Intertech Rail, just ask for a quote and the Relay Part Number you need.

Frequently Asked Questions

  • What is an Overload relay?

    The overload relay is designed to protect motors from excessive current. In rail applications, overload relays are commonly used in the power supply systems of trains. If the motor draws too much current, the overload relay will trip, preventing damage to the motor and ensuring the safety of the system.

  • That is a Fail-safe Thermal relay


    Thermal relays are used to protect motors from overheating. They work by measuring the temperature of the motor and tripping if it exceeds a preset value. In rail applications, thermal relays are commonly used in the traction systems of trains. If the motor overheats, the thermal relay will trip, preventing damage to the motor and ensuring the safety of the system.

  • What is a fail-safe Earth fault relay?

    Earth fault relays are used to detect faults in the insulation of the system. In rail applications, earth fault relays are commonly used in the track circuits. If a fault occurs in the insulation of the track circuit, the earth fault relay will trip, isolating the section of track and preventing damage to the system.

  • What is a fail-safe Short circuit relay?

    Short circuit relays are used to protect the system from short circuits. In rail applications, short circuit relays are commonly used in the traction systems of trains. If a short circuit occurs, the short circuit relay will trip, isolating the faulty section of the system and preventing damage to the system.

  • What is a Time delay relay?

    Time delay relays are used to provide a time delay before tripping. In rail applications, time delay relays are commonly used in the power supply systems of trains. If a fault occurs in the system, the time delay relay will provide a delay before tripping, allowing the system to recover from a momentary fault and preventing unnecessary trips.