This 40A modular contactor is designed for use in industrial, commercial, and domestic environments—ideal when the heating load exceeds the 16A switch capacity of a Fastwarm® thermostat. It acts as a reliable interface between the control system and the final power circuit, ensuring safe and efficient switching for electric underfloor heating and other high-demand applications.
- 40A switching capacity supports loads up to 9200W.
- Used when load exceeds 16A thermostat limit, offering a safe switching solution.
- Compatible with electric underfloor heating systems for residential or commercial setups.
- Panel or DIN rail mountable for flexible installation options.
UL Certified and built for performance, this modular contactor offers peace of mind when controlling higher-load heating zones. A smart addition where safety, compliance, and reliability matter most.
Delivery Options
2-3 working day delivery
Next working day
Next working day before 10:30
Saturday Delivery
Delivery cut off times
Our daily cut-off time for dispatch is 4:30pm Monday–Thursday and 4:00pm on Fridays. Orders placed before the cut-off time will be dispatched for next working day delivery (if this option is selected). Orders placed after 4:00pm on Friday will be dispatched on Monday for Tuesday delivery.
Bank holidays may affect these delivery times, so please contact our team if unsure on 01268 744479
Other Delivery Options
PRE-10:30AM and Saturday Delivery services are available, but orders must be placed before the relevant cut-off times.
NOTE: All orders placed on a Friday will be delivered on the following Monday (unless its a bank holiday), unless a Saturday Delivery service is selected and paid for before the 4:00pm Friday cut-off.
Delivery outside the UK
Delivery outside mainland UK may be arranged by prior agreement. You will be advised of the delivery charge before dispatch, at which point you can decide whether you wish to proceed with your order.
Important: Our deliveries rely on third party couriers, so, whilst we make every effort to deliver your order on the specified date and time, unfortunately there may be occasions when this will not be possible due to external influences. Due to this we strongly recommend you ensure you have received your order before any tradespeople/builders are scheduled to commence work.
Still Unsure? Talk to an expert
If you need any guidance or further information our highly experienced team are on hand to help.
Get in touch using our contact form or give us a call on 0800 023 4203 or 01268 744 479.