Muller Digital SC Time Switch 2-Channel 24V ac/dc SC 44.21 PRO4 24V ACDC

Muller SC 44.21 PRO4 24V ACDC is a digital time switch designed for precise time-based control in automation systems, industrial plants, and commercial installations. It operates on a versatile 24V AC/DC supply and incorporates two independent channels enabling flexible programming for a wide range of applications such as lighting control, air conditioning regulation, motor and pump operation, and machinery management.

This time switch supports advanced functions including daily, weekly, astro programs as well as yearly scheduling for holidays and special events. The device can be programmed offline via PC or smartphone through Bluetooth using free apps available for iOS, Android, and Windows platforms, allowing easy configuration even when the device is disconnected from power.

Key operational features include 300 memory spaces for storing complex programming scenarios and a robust 10-year battery life with exchangeable CR 2032 battery ensuring retention of settings during power outages. Manual override and permanent manual modes provide additional operational flexibility.

The switch offers a high switching capacity of 16 A per channel, making it suitable for controlling various electrical loads such as motors, pumps, illumination in private and industrial zones, streetlights, and shop-window lighting. Automatic daylight saving time adjustment improves accuracy without user intervention.

With a compact design featuring a height of 94.6 mm and depth of 53 mm, and secure screw terminal connections with SPNO contact configuration, this Muller digital time switch balances advanced technology with ease of installation and reliability. It complies with REACH Regulation (EC) No 1907/2006 and is manufactured in Germany.

The device features two independently programmable channels for precise switching control. Supports daily, weekly, astro, and yearly programming including holiday functions. Offers 300 memory locations with permanent date and time overrides.

Operates with a 10-year battery reserve and has an exchangeable CR 2032 battery. Switching capacity is 16 A per channel suitable for motors, pumps, lighting, and HVAC systems. Includes manual override and permanent manual mode for flexible operation.

Automatically adjusts for daylight saving time changes. Programmable via PC or smartphone using Bluetooth connectivity with free iOS, Android, and Windows apps. Compact dimensions: height 94.6 mm, depth 53 mm; terminal type is screw and contact configuration is SPNO.

This Muller SC Time Switch is ideal for industrial automation, water treatment plants, commercial lighting control, HVAC management, and agricultural machinery systems. Explore more professional industrial automation products from Muller at EnvMart.