45A Cooker & Shower Switch Guide: What It Is, When to Use One & Why It Matters
A 45A Double Pole Switch is designed to safely isolate high-power electrical appliances such as electric cookers, hobs and electric showers.
These appliances draw significantly more current than standard household sockets or switches, making a dedicated high-current isolator essential for safe operation.
Whether you're installing a new kitchen or upgrading a bathroom, understanding when and why to use a 45A switch will help ensure your electrical installation is safe, compliant and fit for purpose.
What Is a 45A Cooker/Shower Switch?
A 45A Double Pole Switch is a heavy-duty electrical isolator rated to carry up to 45 amps.
Unlike a standard switch, it is specifically designed for appliances connected to dedicated high-current circuits.
Retrotouch 45A switches feature double-pole switching, which disconnects both the live and neutral conductors simultaneously. This provides complete isolation of the appliance during servicing or maintenance.
Many models also include a red neon indicator, providing a clear visual indication that the circuit is energised.
What Is a 45A Switch Used For?
A 45A switch is commonly installed with:
These appliances typically require their own dedicated circuit from the consumer unit.
Always check the appliance manufacturer's installation instructions to confirm the required switch and circuit rating.
Why is double-pole isolation important?
Retrotouch 45A switches isolate both the live and neutral conductors rather than just the live supply.
This offers several advantages:
Double pole switching is commonly specified for cooker and shower isolators in UK installations.
45A Cooker Switch vs Standard Socket
A standard 13A socket is suitable for portable appliances but is not designed to supply high-power cooking or shower equipment.
Feature | 13A Socket | 45A Cooker/Shower Switch |
Maximum rating | 13A | 45A |
Typical appliances | Kettle, toaster, microwave | Cooker, hob, electric shower |
Dedicated circuit required | Usually no | Yes |
Double pole isolation | Socket dependent | Yes |
High-power appliances should always be connected to the correctly rated dedicated circuit.
Cooker Control Units with Socket
Some Retrotouch models combine a 45A cooker switch with a 13A switched socket on the same faceplate.
This allows you to isolate the cooker while also providing a convenient socket for nearby kitchen appliances such as:
The cooker circuit and socket remain independently rated for their intended use.
Retrotouch 45A Switch Features
Retrotouch 45A Double Pole Switches combine reliable performance with premium decorative finishes.
Key features include:
Retrotouch also offers combination cooker control units with an integrated 13A switched socket for added convenience in kitchens.
Installation Considerations
Before installing a 45A switch:
Frequently Asked Questions
Can a 45A switch be used for an electric shower?
Yes. Many electric showers require a dedicated high-current isolator, and a 45A double-pole switch is commonly used where it matches the appliance manufacturer's requirements.
Can a 45A cooker switch be used for an induction hob?
Many induction hobs require a dedicated cooker circuit. Always check the manufacturer's electrical specification to confirm the required circuit and isolator rating.
Does a 45A switch contain a fuse?
No. A 45A cooker or shower switch provides isolation only. Circuit protection is provided by the dedicated protective device in the consumer unit.
What does the neon indicator do?
The integrated red neon illuminates when the switch is on, providing a clear indication that power is available to the connected appliance.
Why Choose a Retrotouch 45A Cooker or Shower Switch?
Retrotouch 45A Double Pole Switches combine dependable electrical performance with elegant, contemporary styling.
Available in premium finishes such as Matt Black, Brushed Brass, Brushed Bronze, and Brushed Nickel, Crystal Glass White/Black, they provide a modern decorative finish while delivering the high-current isolation required for cookers, hobs and electric showers.
Whether you're renovating a kitchen, upgrading a bathroom or completing a new-build project, a Retrotouch 45A switch offers safe isolation, durable construction and a stylish screwless design to complement modern interiors.
If you require further support or experience issues, please contact the support team:
Phone: +44 (0)1293 279 426
Email: support@retrotouch.co.uk