Sangamo
E855 Digital Round Pattern 7 Day / 4 Pin Time Switch
E855 Digital Round Pattern 7 Day / 4 Pin Time Switch
SKU:E855
Est Delivery between 6th Feb and
12th Feb.
Free Delivery on Sangamo products
How much will I need?
We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project
Couldn't load pickup availability
- Shipping protection for peace of mind
- Fast processing and delivery
- Flexible delivery options


Product Information
The E855 is a flexible, 7 day, fully programmable electronic control with battery reserve, 4-pin base. Allows up to 48 ON and 48 OFF operations per day (96 operations per day) and automatically allows for the changes between British Summer Time (BST) and Greenwich Mean Time (GMT). General purpose time switch for heating, ventilation equipment control applications etc.
Key Features:
- 7 day programme
- 4-pin digital time switch
- Up to 48 ON and 48 OFF (96 operations per day).
- Each day can be programmed independently.
Technical Specifications
Brand | Sangamo |
Conforms to | BS EN60730 |
Day omission | Yes (omits the ON operation) |
Dial calibration | 15 min divisions |
Dimensions (mm) | 146.5 x 105.7 x 82 (H x W x D) |
Display | Digital display showing real time, day, date, month and year where applicable. Simulated analogue display showing real time and programme for current 24 hours. |
Features | Early On, 1 Day/Week |
Holiday mode | Suspends programs for 14 days, or indefinitely |
Ingress protection | IP20 |
Memory | Rechargeable battery will retain memory for typically 20 days |
Mounting | Surface |
Period between on/off operations | 15 mins |
Power reserve | 20 days |
Programming schedule | 7 day programme with up to 48 ON and 48 OFF (96 operations per day). Each day can be programmed independently. |
Temporary override facility (manual button) | Boost On for 2 hours or Advance Off Till Next Operation |
Datasheets
Delivery Information
Est Delivery between 6th Feb and
12th Feb.


Delivery will always take place on a weekday (Mon - Fri excl. public holidays).
An exact delivery charge will be calculated at checkout based on your order and location.
Frequently asked questions
How do I track my order?
As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.
If you require an update on your order, you can email customerservice@i4lgroup.co.uk with your order number for assistance.
Can I order now and pay later?
Yes, we offer a variety of flexible payment options to all our customers.
When checking out online, you'll be able to avail of multiple buy now, pay later options with Klarna or PayPal.
The flexible payment options available to you at checkout will be based on the total value of your order.
For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:
- Dedicated trade pricing
- Loyalty points and rewards
- A dedicated account manager
Do you really have the best prices online?
Yes! We even have a price match guarantee.
We are so confident that we have the best prices out there that we will match the price of any other online or local retailer.
If you find the same product cheaper elsewhere, we will match the price — just send us the quote or website link.
Read more: Price Match Guarantee
I have a large-scale project, can I get a quote?
Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@i4lgroup.co.uk with the following information and we will get back to you with your very own bespoke price quote:
- Delivery postcode and address
- Mobile number
- Company name
- A list of required materials and their quantities
Learn more on opening a trade account.
Can I open a trade account?
Yes! Trade customers can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.
You can learn more here: Open a Trade Account
Can I cancel or amend my order after placing it?
Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.
Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.
Contact us immediately via customerservice@i4lgroup.co.uk or call 020-3481-1978 during opening hours.
If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.
Read more: Returns
What is your returns policy?
Changed your mind about your order? no problem! we offer a 14 day returns period after your order is delivered.
To avail of this your order must be unused, in its original packaging, and suitable for resale.
Refunds are issued immediately after the goods are received and inspected by our team.
If an item arrives damaged or incorrect, you must notify us within 48 hours of delivery.
Prior approval is needed before returning any goods – do not return without authorization.
Special order items are exempt from returns.
Read more: Returns
Why Choose Us?
Factors |
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Other Stores |
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Customer service | Easy to reach, and eager to help | Difficult to contact |
Shipping speed | Fast and organised | Unpredictable |
Competitive pricing | Price match guarantee | What you see is what you get |
Loyalty program | Points + exclusive deals | Basic discounts |
Expert advice | Free 1-on-1 sessions | Self-service only |
Trade accounts | Bespoke pricing, trade credit, and dedicated account manager | none available |