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SEA Field 10 Year Anniversary

10 Year anniversary special offer, contact us for details!

In March the SEA Field has been on sale for 10 years and to celebrate this, we will be running a series of promotions.

Ten years ago the Field was created as part of a drive by SEA to move into the residential gate market. The company was already strong in the commercial and industrial gate sectors, but was often exceeding the specification requirements for domestic gates;  the Field range changed this.  SEA  now had a motor that was as strong as its commercial range but at a price that  was more attractive for domestic customers. Some of the Field’s key features are hidden within the gear box. The substantial gear is sandwiched between 2 oversized bearings; this arrangement provides both strength and stability and is largely responsible for it’s outstanding reliability.

Comments from our customers

“We have been using the Field for over 7 years; they are tough reliable operators,” Roger Weymouth – Automatic Gate System Ltd

“Our main business focuses on commercial and industrial gate projects across the country, so when we carry out work on driveway gates we have very high standards. The SEA Field system has earned our trust in this area and continues to impress us.” Alastair Sandison – Hill Trident 

“We have been installing the Field operator for five years in a wide variety of situations. It has been extremely quiet and reliable; we would not hesitate to recommend it,”  John Carpenter – Valedene Door and Gate Systems

The Field is an underground motor which fits inside a buried foundation box and acts as the bottom hinge of the gate leaf. It is ideal for ornate driveway gates as the automation is concealed from view. There are 2 versions of the Field, the 250 and the 600. The Field 250 is capable of handling a leaf length of up to 2.5m or a gate weighing up to 250kg. The Field 600 is capable of handling a leaf length up to  3.5m or a gate weight up to 600Kg.

They both share many of the same internal components, with the Field 600 having the addition of a machined main gear and an oil filled gear box.

A robust casing with large internal main gear, 2 support bearings and machined worm drive all contribute towards this operators proven reputation for reliability. In the last 10 years of service, we have never had a motor returned with a faulty or broken main gear. This attention to detail and precision engineering is typical of SEA products.

When combined with the Gate 2 DG, the Field 600 and 250 both have impressive adjustable current sensing features designed to ensure that the highest safety levels are met. The Field motor will also fit into the foundation box of some alternative manufacturers, allowing you to upgrade an existing system with more robust and reliable operators.

The double gate kit comes with two Field motors, boxes and manual releases, two ladybird transmitters, a set of Sunset Photocells, a plug in radio receiver and a Swing 2 DG control panel.

The Field 250 comes with physical stops in closing and the Field 600 has stops in opening and closing. It is also possible to upgrade from the standard Swing 2 DG to the more sophisticated Gate 2 DG control panel which comes complete with an advanced 230V current sensing feature.

For more information on the Field 250 or 600 contact us today on 0121 433 3348.


Field motor and box
Field motor and box



Field motor and box internal view
Field motor and box internal view




Field motor internal view
Field 600 motor internal view






Gate 2 DG Electric Gate Control Panel
Gate 2 DG Electric Gate Control Panel



Wooden gates operated by a Field
Wooden gates operated by a Field



Driveway gates operated by a Field 250
Driveway gates operated by a Field 250