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Contact blocks are available to replace or extend the arrangements supplied as standard.


If you have any questions regarding the contact arrangement you require then please contact our technical sales for help and advise.

MT Series

The 'MT' Series blocks are designed as 'clip-in' modules which can be supplied in N/O, N/C and safety formats. The 'clip-in' housing allows for a total of three blocks per actuator.

ET Series

The 'ETR' block provides 1 N/O + 1 N/C contacts in one low profile assembly.

S1 Series

The 'S1' contact block is designed to be stacked in pairs side-by-side then back-to-back. A total of four changeover blocks can be mounted on one Heavy Duty actuator. Three or four blocks will require extended fixing screws. (See U42 Screw set)


The Monobloc assembly is designed for use in very restricted space. The electrical contacts are assembled in the base of the actuator and cannot be supplied separately. To replace the contacts will require a new complete actuator.