• Read head with guard locking and guard lock monitoring
• Up to category 4
• High locking forces up to 6500 N
• Integrated transponder coding
• Metal housing

Design and functionality

With the read head CET-AX, EUCHNER provides monitored guard locking based on non-contact transponder technology. This means that the switch can also be used on systems with overtravelling machine movements for the personal protection.

When closing the safety guard (hinged or sliding door), the spring-loaded transponder in the actuator is inserted into the recess on the read head.

The read head detects the closed safety guard in its guard locked position. The CES evaluation electronics enables the safety circuit when the safety guard is locked.

When the moving parts of the machine come to a standstill, the solenoid integrated into the read head can be activated by a safe standstill monitor or by a timer relay. The solenoid's plunger then raises the spring-loaded transponder, which allows the safety guard to be opened.

Use of the read head even in extremely harsh environments

Due to the extremely robust metal housing, the switch is suitable for the harshest ambient conditions and when guard locked achieves a locking force of 6500 N - a characteristic that is advantageous particularly for heavy doors.

With the safety guard closed, the CET-AX provides around ± 5 mm of freedom of movement in all 3 directions (x, y, z direction) – even if the safety door drops over time it will not be necessary to re-adjust the actuator.

The insertion slide can be rotated in 90° steps. As a result the switch is suitable for doors hinged on the right and left.

Different versions

Along with the standard version with a single insertion slide, there is also the CET-AX with a double insertion slide that is perfectly suited to swing doors and rotary tables. That is, wherever the approach is from two sides and where the read head must also be 'passed over'.

As an option, EUCHNER also offers versions with escape release. This feature enables people locked in to open the locked safety guard from the inside in an emergency.

The range is supplemented by versions with different plug variants and freely configurable LED control.

Your advantages

• Robust die-cast zinc housing for harsh environments
• Suitable for heavy doors
• High protection against tampering
• Actuator with large freedom of movement
• No precise door adjustment necessary
• Low wiring effort
• High degree of protection IP67
• Suitable for the highest safety requirements