| Categories | Time Switch |
Function

|
Analogue time switch |
|
1 channel |
|
Daily program |
|
Quartz controlled |
|
Shortest switching time: 30 minutes |
|
Fine adjustment for time setting accurate to the minute |
|
Simple summer/winter time correction |
|
48 switching segments |
|
Screw terminals |
|
witching preselection |
|
Manual switching with continuous ON/AUTO/continuous OFF |

|
Permanent ON/OFF switch |
|
Switching status display |
|
Operating indication |
|
SUL181h :With power reserve (NiMH rechargeable battery) |
|
SYN161h:Without power reserve |
|
Billboard or Showcase lighting |
|
Air-condition or Commercial Refrigeration |
|
Pumps/Motor/Geyser/Fan Control |
|
Hydroponic Systems |
|
Wastewater Treatment Systems |
|
Generator Exercising |
|
Boilers / Heater Control |
|
Pool & Spa |
Technical Data
|
Type
|
SUL181h/SYN161h |
|
Operating voltage |
230-240 VAC / 110VAC / 24VDC / 12VDC |
|
Frequency |
50-60Hz |
|
Number of channels |
1 |
|
Width |
3 modules |
|
Installation type
|
DIN-rail |
|
Type of connection |
Screw terminals |
|
Drive |
Quartz-controlled stepper motor |
|
Program |
Daily program |
|
Power reserve |
7 days |
|
Max. switching capacity at 250 V AC, cos φ = 1 |
16 A |
|
Max. switching capacity at 250 V AC, cos φ = 0.6 |
4 A |
|
Incandescent/halogen lamp load |
1100W |
|
LED lamp < 2 W |
20W |
|
LED lamp > 2 W |
180W |
|
Shortest switching time |
30 min |
|
Programmable every
|
30 min |
|
Number of switching segments |
48 |
|
Time accuracy at 25 °C |
≤ ± 2 s/day(Quartz) |
|
Type of contact |
Changeover contact |
|
Switching output |
Potential-free and phase-independent |
|
Power consumption |
1.5VA |
|
Test approvals |
CE |
|
Housing and insulation material
|
High-temperature resistant, self-extinguishing thermoplastic |
|
Type of protection |
IP 20 |
|
Protection class |
II in accordance with EN 60730-1 |
|
Ambient temperature |
–10 °C … +50 °C |
Connection Example

Scale Drawings

Other
Our Sales team: Professional Exporting team with more than 15 years of experience. all our follow-up service is individual one-to-one. All your comments will be replied in 24 hours. Products are exported to more than 60 countries with over 200 clients.
Delivery:The effective production departments enable us to delivery the goods in time And each customer will be noticed about the delivery time soon after order confirm, and to make sure customer’s benefit.
Quality Inspection
Quality control: we accept OEM & ODM customization mass quantity production. Following ISO9001:2015 system, the products are produced by automatic line, all products must pass strict inspection for several times, before leaving factory, including the supervisor and machine inspection. Factory audit could be available to our customers if necessary.
Video
> Why Does Your Electrical System Need a Residual Current Circuit Breaker?
A Residual Current Circuit Breaker RCCB is an electromagnetic device that protects people and equipment from electric shock and ground faults. It continuously monito...
> How Does a Liquid Level Relay Automate Your Water Pump?
A Liquid Level Relay automates pump control using conductive electrodes—no PLC required. This guide covers fill/drain modes, electrode selection, wiring, and trouble...
> What Makes a Charging Connector Reliable for Daily EV Charging?
A Charging Connector is more than a cable end—it’s the critical interface between the EV and the charger. With GB, EU, and US standard options, mechanical life of ≥1...
> How Often Should You Inspect and Maintain Your Charging Connector?
Your EV charging connector is the most frequently handled component in your charging infrastructure. Every day, it gets plugged in, unplugged, dropped, stepped on, a...





