A Range of Reliable Electronic Speed Controllers in the UK
                     +44 (0) 1487 450520
A Range of Reliable Electronic Speed Controllers in the UK
+44 (0) 1487 450520
About Us
Established in 1991, 4QD Ltd is an electric motor 
control device manufacturer in the UK. 
We provide DC motor control solutions for a wide 
variety of customers and applications. 
+44 (0) 1487 450520
Electronic Speed Controllers for Various Applications
We have a range of  DC electronic 
motor speed controllers for battery 
powered electric motors. Our 
electronic speed controllers can be 
used in a variety of applications 
using DC brushed permanent 
magnet electric motors.  
+44 (0) 1487 450520
Our Electronic Speed Controllers
 Pro-160: 12V – 84V, 200A, programmable
 Pro-360: 12V – 84V, 360A, programmable
 DNO: Reversing, 12V – 36V, 100A
 4QD range: Reversing, 24V – 48V, 300A
 Porter: Single direction, 12V – 48V, 100A.
 Pro-150: Reversing, 24v – 48v, 110A, programmable
+44 (0) 1487 450520
Contact Us
4QD Ltd
11 Meadow Drove, Earith, Cambridgeshire, PE28 3QH 
Phone: +44 (0) 1487 450520
Email: [email protected] 
Website: www.4qd.co.uk