Roller shutter controller STR-21 two-button, Un=230V AC, 8A, surface or roller shutter box mounting

Roller shutter control with convenience and reliability

The STR-21 shutter controller is a device designed for comfortable control of roller shutters, gates or other devices powered by a single-phase electric motor. Thanks to the two-button operation, it allows for smooth raising and lowering of roller shutters using standard momentary switches. Surface or shutter box mounting provides installation flexibility, adapting to different needs and conditions.

The STR-21 controller is not only convenience, but also safety. Made of high-quality thermoplastic, it is durable and resistant to damage. It has an IP20 protection class, which means protection against touching with solid foreign objects with a diameter greater than 12.5 mm. 230V AC power supply and 8A rated current guarantee stable operation.

Functionality and application

The controller allows you to control both individual roller shutters and groups of roller shutters in a central system. Programmable on-time allows you to adjust the speed of opening and closing the roller shutters to individual preferences. The memory function remembers settings even after the power is disconnected. A wide operating temperature range (-25°C to +50°C) means that the controller can be used in various environmental conditions.

• Versatility: ideal for roller shutters, gates and other devices with a single-phase motor.
• Installation flexibility: possibility of surface or shutter box mounting.
• Two-way control: smooth raising and lowering of roller shutters using standard switches.
• Programmable on-time: adjustment of roller shutter operating speed to user needs.
• Durability: made of high-quality thermoplastic.
• Safety: IP20 protection class protects against touching with solid foreign objects.
• Settings memory: maintaining configuration after power disconnection.

The STR-21 controller is a solid solution for both professional installers and end-users looking for a reliable roller shutter control system. Its versatility and ease of installation make it an ideal choice for new installations and modernization of existing home automation systems.