Segment (3 Module) Timeswitch SUL181D UK
Timeguard Segment (3 Module) Timeswitch White
Product code:

Timeguard Segment (3 Module) Timeswitch White

Quick specifications:


Switching time: 15 minutes
Load: 16A
Operating Voltage: 230V AC
Battery Reserve: 72 hours
Guarantee: 3 years
3 Year Warranty

Dispatch Information

1-4 DAYS
FREE Delivery on Selected
products and orders over £100 + VAT. If under it'll be £3.25 + VAT(Royal Mail) or £6.85 + VAT(DPD).

EXCL. VAT: £59.80
INCL. VAT: £71.76

For large orders please phone 01752 261211
for a further possible Discount!

100% SATISFACTION GUARANTEE - 14 Days to return the product for a refund if not entirely happy.

  • Easy to adjust between Spring and Winter time
  • Clock hands for time display
  • 12/24 hour clock recognition
  • Rechargeable 72 hour power reserve
  • Comes with 3 year guarantee for added peace of mind

SUL 181d 24 Hour Segment Timeswitch with Power Reserve (3 Module)

The SUL181 has all the features and benefits of the SYN 161 d plus 72 hours power reserve.

A 52.5mm (3 module) wide segment 24 hour 16A timeswitch.

  • 16(4)A analogue timeswitch
  • 1 channel
  • Daily program
  • With power reserve (NiMH rechargeable battery)
  • 96 switching segments
  • Quartz controlled
  • Shortest switching time: 15 minutes
  • Clock hands for time display and in addition 12/24 hour recognition
  • Simple summer/winter time correction
  • Time can be changed clockwise or anti-clockwise
  • DuoFix spring terminals for 2 conductors each
  • Wire or strand (with or without wire end sleeve)
  • Wire diameter: 0.5 2.5 mm
  • Button for releasing plug-in connection
  • Switching preselection
  • Manual switch with 3 positions: Continuous ON/AUTO/continuous OFF
  • Switching status display
  • Surface mount kit. Part No. 907.0.050



Timer Mode 24 Hour
Setting Type Segment
Voltage Free Contacts Single Pole Changeover
Operating Voltage 230V AC
Power Reserve 200 hour
Switch Rating 230V AC Resistive 16A, Inductive 4A
Ambient Temperature -20 to 55C
EC Directives Conforms to Latest Directives
Dimensions (mm) Width 54, Height 90, Depth 65.5

For full technical details of each individual switch please visit: and search by product code.

SYN 161d, SUL 181d, SUL 191w cannot switch discharge lighting but can switch up to 400W of filament lighting or 100W of fluorescent or low energy lighting.

Delivery Information

FREE Delivery on all orders over £100+VAT

Royal Mail Recorded Delivery Charges (Work in progress some products have them more on the way if you think your product doesn't weigh that much please phone 01752 261211.

For products with a weight of over 2000 Grams there is a courier fee of £6.85 + VAT.

These figure apply to UK Mainland orders only.

For orders to Countries other then the UK please phone 01752 261211 so we can give you an accurate shipping price.
Returns Policy

If sending items back to us to please include your details in or on the box and the reasons why you have sent it back. Also make sure you send the items recorded delivery.

Non Faulty Goods 

We accept returns for exchange or full refund up to 14 days following delivery. We cannot accept items back after 14 days after delivery. The item must be in the undamaged original packaging plus the product itself must be in as new condition. The full outbound postage cost will be issued in your refund however the return postage will not be refunded.

If cancelling your purchase under the The Consumer Contracts Regulations, your product must be complete and in 'as new' condition. If you have opened the box to examine the product you must have done so without damaging or marking the product or packaging. The product must not have been used or installed and data must not have been inputted. It should be returned with the original box and packaging, along with any accessories you received with it.

We cannot cancel your purchase when:
You return your product to us without proof of purchase

The goods got damaged during delivery

When sending items back to us please send them RECORDED delivery so they can be tracked. If the courier looses the item we cannot be held responsible.

Faulty Goods

Your goods should reach you in perfect condition but in the unlikely event that there is a fault with your product you can return it to us within 7 days of delivery for a full refund.

Faulty goods will only be credited following a satisfactory report from the manufacturer that the fault was with the goods and not the installation.

When sending items back to us please send them RECORDED delivery so they can be tracked. If the courier looses the item we cannot be held responsible.

Address to send your returns please note they must be sent RECORDED DELIVERY and include the reason for the return.

DTS Online Returns
Unit 26-31 Faraday Mill Business Park
We are always here for our customers and you can always reach us for the help, advice or guidance you need.  Whether you need product specific information, help choosing the perfect product for the job or just want to discuss our Price Match Promise, well be here for you. 

Customers Services - Available Monday to Friday (09:00 17:00):

Phone: 01752 261211 / 0844 8793212
Visit Us: 26 31 Faraday Mill Business Park, Faraday Road, Plymouth, Devon, PL4 0ST.