SUL 18 1h 220V-240V 16(4)A 24 Hours time switch

SUL 18 1h 220V-240V 16(4)A 24 Hours time switch
SUL 18 1h 220V-240V 16(4)A 24 Hours time switch
SUL 18 1h 220V-240V 16(4)A 24 Hours time switch

Welcome to enquire to us by formal email, so that we can receive your information smoothly and reply you promptly. Thank you.

Categories Time Switch
SUL 18 1h 220V-240V 16(4)A 24 Hours time switch

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

SUL 18 1h 220V-240V 16(4)A 24 Hours time switch

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 


Operating voltage 

230-240 VAC / 110VAC / 24VDC / 12VDC



Number of channels



3 modules

Installation type 


Type of connection

Screw terminals


Quartz-controlled stepper motor


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


LED lamp < 2 W


LED lamp > 2 W


Shortest switching time 

30 min

Programmable every

30 min

Number of switching segments


Time accuracy at 25 °C

≤ ± 2 s/day(Quartz)

Type of contact

Changeover contact

Switching output

Potential-free and phase-independent

Power consumption 


Test approvals


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
Connection Example
Scale Drawings
Scale Drawings
Exclusive advantages of products/services

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.

 Packaging and transportation related information

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.




News Center

> What is a Circuit breaker

Circuit breaker is a crucial electrical component designed to protect electrical circuits and appliances from damage caused by excess current. It functions as a safe...

> What is the role of a fuse?

A fuse refers to an electrical device that, when the current exceeds a specified value, uses the heat generated by itself to fuse the melt and disconnect the circuit...

> What is the difference between a low voltage circuit breaker and a high voltage circuit breaker?

High voltage circuit breaker is a mechanical device. The device can generate, carry and interrupt current under normal conditions. It can also carry and interrupt cu...

> Precautions for the working principle of molded case circuit breakers

The molded case circuit breaker adopts a heat release contact. When the current exceeds the rated value, the contact is heated, causing the spring force to decrease,...



Get in Touch

Captcha Code
If you are interested to be our agent in your market, we will be your strong backup.
Find us to cooperate
We value your privacy
We use cookies to provide you with a better online experience, analyse and measure website usage, and assist in our marketing efforts.
Accept All