ANALOG MECHANICAL WEEKLY TIME SWITCH SUL181H
The SUL181H mechanical timer boasts a versatile, segment-based programming system, facilitating swift comprehension and seamless interchangeability. Its most condensed switching interval lasts a mere half-hour while providing the flexibility of uninterrupted on/auto/off cycling.
- 1 Channel,48 Switching segments
- Fine-tuning of time settings to the minute
- Simple daylight savings/winter time correction
- Toggle preselection,quartz control
- Switch status display,Permanent on/off switch
- Continuous on/auto/off manual switching
Stable Deliivery Time
Technical Support
2 Years


MOREDAY SUL181h Mechanical Timer Switch
The SUL181h Analog Mechanical Weekly Time Switch is a highly efficient and reliable mechanical time switch designed for various applications, including lighting control, heating, ventilation, and air conditioning systems.Elevate the efficiency and precision of your operations with the SUL181h Mechanical Timer Switch from MOREDAY, designed for a wide range of applications. Here’s why choosing Moreday for this robust timer switch makes all the difference in your projects.
Key Features


Analog Mechanical Weekly Time Switch Versatility
The SUL181h is perfect for controlling lighting, HVAC systems, pumps, fans, and much more.
Ease of Use
Program your switch with simple segment flipping, offering settings like continuous ON, AUTO, and OFF. The shortest switching segment is 30 minutes, allowing for tailored scheduling throughout the day.




Precision
With quartz control and fine adjustment capabilities, time setting is accurate to the minute. This feature ensures your operations align perfectly with your scheduling needs.
Durability
Equipped with a NiMH rechargeable battery for power reserve, ensuring continuous operation even during power interruptions .




Safety and Compliance
The SUL181h Analog Mechanical Weekly Time Switch is housed in a robust enclosure with an IP20 rating, guaranteeing protection against solid objects and making it suitable for a variety of industrial environments. It also meets CE and other critical safety standards.
Applicable Scenarios
Commercial
Industrial
Residential and Public Spaces
Why Choose Moreday?


Expertise and Trust
As a top supplier, Moreday brings expertise and a proven track record of delivering high-quality, certified products that meet rigorous industrial standards.


Customer-Centric Solutions
We understand the importance of timely deliveries and are committed to ensuring each project meets its schedule with efficiency and precision.
SPECIFICATION
Specification | Parameter |
Operation Voltage | 110-230VAC |
Contact Capacity | AC220V,16A(4A) |
Frequency | 50-60Hz |
Full Timing Range | 24h |
Power Reserve | 150h |
Working Reserve Time | 24hours charged can lasts 150 hours |
Minimum Setting Unit | 30min |
Time Accuracy | <+1s/day |
Operation Temperature | -20°C- +55°C |
Installing Mode | DIN-rail |
Degree of protection | IP20 |
FAQ`s.
1. How do I program the SUL181h timer switch?
To program the SUL181h timer, locate the current time on the dial and rotate it until the arrow aligns with the correct time. Then, insert pins into the slots corresponding to the desired ON times. For OFF times, simply leave those slots empty. This allows for custom programming tailored to your needs.
2. What types of devices can I control with the SUL181h?
The SUL181h is highly versatile and can be used to control a wide range of devices including lights, HVAC systems, commercial refrigeration, pumps, motors, and fans. Its robust design is suited for both residential and industrial applications.
3. Can the SUL181h be used outdoors?
While the SUL181h is robust, it has an IP20 rating, which means it is protected against solid objects larger than 12mm but not water-resistant. For outdoor applications, a protective enclosure is recommended to shield it from weather elements.
4. What is the power reserve feature of the SUL181h?
The SUL181h features a power reserve maintained by a NiMH rechargeable battery. This ensures that the timer can keep running for up to 7 days without external power, preserving your settings during short power outages.
5. How do I manually override the programmed settings?
The SUL181h includes a manual override switch that allows you to toggle between continuous ON, AUTO, and continuous OFF modes, giving you flexibility to adjust operation without altering the programmed settings.
6. What should I do if my timer switch is not working correctly?
First, verify that the timer is correctly programmed and that the power supply is stable and within the specified range. Check the installation and ensure that all connections are secure. If problems persist, consult the troubleshooting section of the user manual or contact MOREDAY’s support team for assistance.
7. Is the SUL181h timer switch easy to install?
Yes, the SUL181h is designed for easy installation on a DIN rail, which is a standard type of rail used for mounting circuit breakers and industrial control equipment inside equipment racks. This makes it straightforward to integrate into existing setups.