2TLA050304R0002 ABB GKey4 RU Die-Cast Safety Lock with Escape Release and Manual Unlock

Why Choose the ABB GKey4 RU Safety Lock?

The ABB GKey4 RU is a robust guard safety lock with RFID interlocking designed for controlling access to hazardous industrial machinery. Supplied under ABB order code 2TLA050304R0002, this GKey model combines a durable die-cast housing, guard locking, high-level coded RFID actuation, escape release and manual unlocking in a versatile machine safety device.

The GKey4 RU provides four positions for 22 mm pilot devices, allowing operator controls such as pushbuttons, emergency-stop devices or blanking plugs to be incorporated according to the application. It uses a power-to-unlock locking principle, helping keep a guard locked when power is removed and making it particularly suitable for machinery where access must remain prevented until hazardous movement or processes have stopped.

Designed for both hinged and sliding guard doors, the GKey4 RU can be installed for left- or right-hand operation when used with the appropriate handle arrangement. The unit is supplied with a mechanical tongue actuator, high-level coded RFID actuator, entry cover and cover-opening bit, while its rear escape release provides a means of opening the guard from inside a safeguarded area.

Key Advantages

• Robust die-cast safety lock for industrial guard-door applications.
• Four positions for 22 mm pilot devices enable integrated operator controls.
• High-level coded RFID actuator supports reliable guard interlocking.
• Interlocking functionality capable of reaching PL e / SIL 3 when correctly integrated into the safety system.
• Power-to-unlock operating principle helps maintain guard locking if power is removed.
• Integrated rear escape release for personnel inside the safeguarded area.
• Manual unlock / auxiliary release provides controlled mechanical unlocking when required.
• Suitable for hinged and sliding doors with left- or right-hand installation.
• IP65 protection supports operation in demanding industrial environments.

Key Features

• ABB GKey series guard safety lock.
• Die-cast housing for robust industrial installation.
• Four pilot-device positions.
• Designed for 22 mm pilot devices.
• High-level coded RFID guard monitoring.
• Mechanical tongue actuator supplied with the safety lock.
• Escape release button at the rear.
• Manual unlocking / auxiliary release function.
• Power-to-unlock guard locking.
• Can support safety functions up to PL e / SIL 3 when correctly integrated.
• IP65 enclosure protection.
• Three M20 cable entries.
• Compatible with hinged and sliding machine guards.

Reliable Guard Locking for Industrial Machinery

Guard locking is used where opening a machine guard before hazardous movement has stopped could expose personnel to unacceptable risk. The ABB GKey4 RU uses a power-to-unlock principle so the guard remains mechanically locked until the safety system permits access, while RFID monitoring provides high-level coded detection of the actuator.

The GKey4 RU combines guard locking and interlocking with space for four operator pilot devices in one robust assembly. Its escape release and manual auxiliary release provide additional access functionality, while compatibility with hinged and sliding guards makes the device suitable for a broad range of automated machinery and perimeter guarding systems.

Typical Applications

• Machine guard doors requiring safety locking.
• Robotic cells and automated production systems.
• Packaging and processing machinery.
• Conveyor and material handling systems.
• Manufacturing and assembly machinery.
• Machining centres and automated equipment.
• Perimeter guarding with personnel access doors.
• Industrial safety systems requiring RFID-coded guard monitoring.