Securlec Fan Isolator Switch Round Edge

Securlec 10A Fan Isolator Switch – Round Edge | 3-Pole | 250V | BS EN 60669-2-4 Compliant

Reliable and Safe Isolation for Bathroom and Kitchen Ventilation Fans

The Securlec Round Edge Fan Isolator Switch is purpose-built to provide safe and reliable isolation of fixed-wired ventilation equipment, such as bathroom extractor fans, kitchen ventilators, or ceiling-mounted units. Featuring a three-pole switching mechanism, this unit isolates the live, neutral, and switched live conductors in accordance with BS EN 60669-2-4, ensuring full compliance with wiring regulations and safe servicing conditions.

Designed for both functionality and aesthetics, this fan isolator switch has a clean 86 x 86mm round-edge faceplate that blends seamlessly into most wall finishes. It is ideal for new installations and retrofit upgrades in domestic, commercial, and light industrial environments where fan isolation is required.

Technical Specifications

Switch Type: 3-Pole Fan Isolator

Rated Voltage: 250V AC

Rated Current: 10A

Frequency: 50/60Hz

Minimum Switch Contact Gap: >1.2mm

Dimensions: 86mm x 86mm (standard 1-gang plate)

IP Rating: IP20 (suitable for indoor use)

Terminal Capacity:

4 x 1.5mm²

2 x 2.5mm²

1 x 4.0mm²

Wiring System: 3-pole

Faceplate Material: High-grade urea-formaldehyde (thermoset plastic)

Minimum Wall Box Depth: 16mm

Fixing Screws: M3.5 x 25mm

Max Installation Altitude: 2000m

Operating Temperature Range: -5°C to +40°C (with a 24-hour average not exceeding 25°C)

Nature of Supply: AC only

Associated Standard: BS EN 60669-2-4

Key Features

Compliant 3-Pole Isolation

Designed specifically for fan circuit isolation, with independent switching of live, neutral, and switched live conductors.

Fully compliant with BS EN 60669-2-4, meeting the latest safety and installation standards.

Durable and Safe Construction

Manufactured from urea-formaldehyde, a thermoset material known for its high resistance to heat, impact, and discoloration.

Rated for safe operation in standard indoor conditions (IP20 protection).

User-Friendly Terminal Design

Top-access terminals with large angled entry points simplify cable installation and reduce wiring time.

Embossed terminal markings allow for clear and accurate identification during connection.

Dual earth terminals ensure safe earthing continuity in metal back boxes or for looping purposes.

Installer Convenience

Only one size screwdriver required for all fixings.

Fixing screws are retained by the earth strap, preventing loss during installation.

Requires only a 16mm deep wall box, allowing compatibility with shallow cavities and surface boxes.

Visually Subtle Design

Round-edge profile gives a contemporary, smooth finish that suits modern interior aesthetics.

Standard 86mm x 86mm dimensions for seamless integration with existing fittings and wall plates.

Recommended Applications

Bathrooms: For isolating ceiling- or wall-mounted extractor fans

Kitchens: Suitable for isolating cooker hoods and inline ventilation systems

Utility rooms, wet rooms, en-suites, and shower areas where fixed fan units are used

Commercial buildings where safe fan isolation is required for maintenance

Installation Guidance

Mounting: Fits standard 1-gang flush or surface boxes (min. depth 16mm)

Wiring: Always isolate the circuit before installation. Wire as per standard 3-pole configuration: Live In, Neutral In, and Switched Live Out.

Testing: After installation, test with the appropriate equipment to ensure correct functionality of all poles.

Safety Compliance: Installation should be carried out by a qualified electrician, adhering to local building regulations and electrical standards.

Frequently Asked Questions (FAQs)

Q: What is the purpose of a fan isolator switch?
A: A fan isolator switch allows for safe disconnection of the fan from the electrical supply for maintenance or replacement. It is typically installed outside the room containing the fan.

Q: Can this switch be installed in a bathroom?
A: The switch itself must be installed outside the bathroom, in accordance with safety regulations. Its IP20 rating is suitable for indoor use only.

Q: What cable sizes does it support?
A: It supports up to 4 x 1.5mm², 2 x 2.5mm², or 1 x 4.0mm² conductors, offering flexibility for a wide range of wiring setups.

Q: Is it suitable for both domestic and commercial use?
A: Yes. It is suitable for all applications where fixed-fan isolation is needed, including residential bathrooms and commercial ventilation systems.

Why Choose the Securlec Round Edge Fan Isolator Switch?

With its compliance to BS EN 60669-2-4, compact form factor, and installer-friendly design, the Securlec 10A Round Edge Fan Isolator Switch provides a reliable, safe, and professional solution for isolating fixed ventilation equipment. It combines robust performance, ease of installation, and a clean modern aesthetic—making it an excellent choice for both new builds and upgrades.