DORMA ARM TS73/TS83 H/O SIL with ON/OFF Feature

The DORMA TS73 & TS83 hold open action replacement arm delivers reliable door control with integrated on/off switching capability.

Finished in durable silver, this component is engineered for seamless compatibility with DORMA door closing systems.

The hold open feature allows doors to remain in an open position when activated, while the on/off switch provides convenient manual control over the mechanism's operation.

Ideal for commercial and institutional applications requiring flexible access management, this replacement arm maintains the precision engineering standards DORMA is known for. Whether you're upgrading an existing system or performing maintenance, this component ensures consistent performance and extended service life for your door automation setup.