Time switches or time-delay switches switch a contact on or off at set times. They help to achieve energy savings measures. The mechanical time switches from the Uno series control one electrical load circuit each via day and/or week programs. The control gear with captive sliders allows the shortest switching intervals of up to 15 minutes to be set for the potential-free relay. While the Uno-D and Uno-QRD time switches have day programs, the Uno-QRS has a week program. The QRD and QRS models with their 100-hour reserve power also provide time-exact switching of consumers even in the event of intermittent power failures. The program automation can be "bridged" via the front control switch and therefore switch the relay to continuous operation.

mechanical control gear with captive sliders, Day program (Uno-D, Uno-QRD) or week program (Uno-QRS), minimum switching times of 15 min (Uno-D, Uno-QRD) or 2 h (Uno-QRS), Reserve power: none (Uno-D) or 150 hours (Uno-QRD/-QRS), high accuracy, Control switch for continuous operation, 1 potential-free NO contact 16 (4) A/250 V AC, Operating voltage: 230 V AC, low internal consumption, sealable transparent cover, Module width just 1 unit (17.5 mm), protection class IP20

quick fastening to mounting rail, any installation position

Time switches for time linking of any electrical consumers in private, commercial or industrial applications.

• Operating instructions
• Data sheet
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• Dimensional drawing Group view
• Wiring diagram