Introduction
This manual provides essential instructions for the installation, operation, and maintenance of the Müller SC 24.10 Pro Digital Panel Flush-Mounted Time Programmer. This device is a digital DIN rail timer designed for precise time-based control of electrical circuits, operating at 230 V/AC with an output capacity of 8 A/250 V.
Please read this manual thoroughly before installation and use to ensure safe and efficient operation.
Product Overview

Figure 1: Front view of the Müller SC 24.10 Pro Digital Time Programmer. This image shows the digital display and control buttons on the front panel of the device.

Figure 2: Side view of the Müller SC 24.10 Pro Digital Time Programmer. This image illustrates the compact design suitable for DIN rail mounting.
The SC 24.10 Pro is a single-channel digital timer with 46 memory slots, offering daily and weekly programming capabilities. It features a 4-year power reserve and a minimum switching interval of 1 minute. Key functions include permanent connection options, manual anticipation, automatic sorting of switching times, block programming, and automatic daylight saving time adjustment. It also includes an operating hours and pulse counter.
Setup and Installation
The Müller SC 24.10 Pro is designed for installation in an electrical cabinet, typically mounted on a DIN rail. Installation should only be performed by qualified personnel in accordance with local electrical codes and regulations.
Safety Precautions
- Ensure the main power supply is disconnected before beginning any installation work.
- Verify that the operating voltage (230 V/AC) matches the product specifications.
- The relay outputs do not deliver any voltage; ensure the connected product is independently powered.
- Use appropriate tools and personal protective equipment.
Mounting
- Securely mount the timer onto a standard DIN rail within the electrical cabinet.
- Ensure adequate ventilation around the device.
Wiring
The device uses screw terminal blocks for connections. Refer to the wiring diagram provided with the product for specific terminal assignments. The timer features one switch-inverter channel (1 x UM, plugged potential).
- Connect the 230 V/AC power supply to the designated input terminals.
- Connect the load to the output terminals. Remember that the relay outputs are potential-free and require an external power source for the connected device.
- Ensure all connections are tight and secure.
Operating Instructions
The SC 24.10 Pro offers various programming options for precise control.
Initial Power-Up and Time Setting
- After connecting power, the display will illuminate.
- Set the current date and time using the control buttons and the program menu.
- The device has a 4-year power reserve, maintaining settings during power outages.
Programming Switching Times
- Daily and Weekly Programming: The timer supports both daily and weekly schedules.
- Memory Slots: Utilize the 46 available memory slots to store your desired ON/OFF switching times.
- Smallest Switching Interval: The minimum programmable interval is 1 minute.
- Programming by Block: Group multiple days or time blocks for efficient programming.
- Automatic Sorting: The device automatically sorts switching times for optimal execution.
Special Functions
- Permanent Connection: Activate a permanent ON or OFF state based on a specific date or manually.
- Manual Connection Anticipation: Temporarily override the programmed schedule.
- Automatic Daylight Saving Time: The timer automatically adjusts for daylight saving time changes.
- Operating Hours and Pulse Counter: Monitor the total operating hours or count pulses for connected devices.
Refer to the on-screen program menu for detailed navigation and setting adjustments.
Maintenance
The Müller SC 24.10 Pro is designed for long-term, reliable operation with minimal maintenance.
- Cleaning: Periodically clean the exterior of the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Inspection: Regularly inspect wiring connections for tightness and signs of wear or damage.
- Battery: The internal battery for power reserve is designed for a 4-year lifespan and is generally not user-replaceable. If the power reserve function degrades, contact customer support.
Always disconnect power before performing any maintenance or inspection.
Troubleshooting
If you encounter issues with your SC 24.10 Pro, consider the following common troubleshooting steps:
- Device Not Powering On:
- Check the main power supply to the electrical cabinet.
- Verify all wiring connections to the timer are secure and correct.
- Load Not Switching:
- Ensure the connected load has its own power supply, as the timer's relay outputs are potential-free.
- Check the programmed switching times and ensure they are active.
- Verify the manual permanent connection or anticipation functions are not overriding the schedule.
- Inspect the wiring between the timer's output and the load.
- Incorrect Time/Date:
- Re-enter the correct date and time through the program menu.
- If the time consistently drifts or is lost during short power outages, the internal power reserve battery may be depleted.
For persistent issues, contact Müller customer support.
Specifications
| Feature | Specification |
|---|---|
| Model Number | SC 24.10 pro |
| Operating Voltage | 230 V/AC |
| Output Power (LOV) | 8 A/250 V |
| Switching Channels | 1 x switch-inverter (1 x UM, plugged potential) |
| Memory Slots | 46 |
| Smallest Switching Interval | 1 minute |
| Power Reserve | 4 years |
| Programming Type | Daily and Weekly |
| Connection Type | Screw terminal block |
| Installation Type | DIN Rail (for electrical cabinet) |
| Material | Polycarbonate |
| Item Weight | 3.52 ounces (0.22 Pounds) |
| Package Dimensions | 3.7 x 3.46 x 2.13 inches |
| Batteries Required | No (internal power reserve) |
Warranty and Support
For information regarding product warranty, please refer to the documentation included with your purchase or visit the official Müller website. For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Müller customer service directly.
Manufacturer: Müller




