Intermediate switch | 1-gang | 10A | 230V | surface-mounted | plastic | retro style | black
Code: SM-01-91The black single-rocker intermediate surface-mounted switch is designed to control one lighting circuit from three or more locations. Its surface-mounted installation, round shape, and retro-style design make it easy to use in exposed electrical installations, wooden houses, country homes, lofts, and vintage interiors. The switch is made of heat-resistant thermoplastic, with a rated specification of 10AX, 250 V AC and an IP20 protection rating.
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Black single-key intermediate surface-mounted switch – retro style, 10AX, 250 V, IP20
Single-key intermediate surface-mounted switch is intended for lighting control circuits where the same lighting circuit needs to be controlled from three or more locations. In such a circuit, the intermediate switch is installed between two two-way switches and allows one or more additional control points to be added.
The switch is surface-mounted, so it is installed on the wall surface and is particularly suitable for exposed electrical installations. The classic round shape and black colour suit retro, loft, vintage and historically styled interiors.
The housing is made of heat-resistant thermoplastic. Switch dimensions: 62 mm diameter and 47 mm height. Electrical parameters – 10AX, 250 V AC, protection rating – IP20.
For control from multiple locations:
An intermediate switch is used when one lighting circuit needs to be switched on and off from three or more different locations. It is used together with two-way switches, not as a standalone standard single-pole switch.Purpose of the intermediate switch:
This type of switch reverses the connection path of two intermediate conductors, allowing the control circuit to continue between two two-way switches. In practice, it is used in corridors, staircases, large rooms and other locations where it is convenient to control the same lighting from several points.Important:
An intermediate switch is not the same as a standard switch or a two-way switch. A typical three-location control circuit requires two two-way switches and one intermediate switch. If more control locations are required, additional intermediate switches can be installed between the two-way switches.For dry indoor areas:
The IP20 protection rating does not provide protection against water, so the switch is not suitable for direct outdoor installation or locations exposed to water, steam or condensation.Product type
An intermediate switchNumber of keys
1Installation method
Surface-mountedApplication
Control from multiple locationsRated current
10AXRated voltage
250 V ACProtection rating
IP20Colour
BlackMaterial
ThermoplasticDimensions
Ø62 × 47 mmWhat is an intermediate switch?
An intermediate switch is a special electrical installation control device used when one lighting circuit needs to be controlled from more than two locations.
It is normally installed between two two-way switches. The two-way switches are used at the beginning and end of the circuit, while the intermediate switch is installed between them.
Typical three-location control:- A two-way switch is installed at the first location.
- An intermediate switch is installed at the second location.
- A second two-way switch is installed at the third location.
If four, five or more control locations are required, additional intermediate switches can be installed between the two end two-way switches.
Important technical difference:
An intermediate switch cannot simply be replaced with a standard on/off switch. Its internal contact function is different and is specifically intended for intermediate control points.Single-key design
The switch has one key, which changes the state of the intermediate contact arrangement. One key controls one intended lighting circuit.
Pressing the key changes the contact position. The final on/off state of the luminaire also depends on the positions of the other switches in the same switching circuit.
Where is an intermediate switch used?
For long corridors
When it is convenient to control the lighting from several different points along a corridor.For staircases
For controlling lighting from different floors or intermediate landings.For large rooms
When one lighting circuit needs to be controlled from several entrances.For bedrooms
When lighting is controlled from the entrance and additional points beside the bed.For hotels
For multi-point lighting control circuits in corridors and rooms.For residential spaces
When it is convenient to control one lighting circuit from three or more locations.Surface-mounted installation
The switch is surface-mounted, so it is installed directly on a wall or other suitable surface. This solution is often chosen for exposed retro-style electrical installations.
Surface-mounted installation is particularly suitable for wooden houses, country homes, restored buildings, lofts and other locations where a standard flush-mounted installation box cannot or should not be recessed into the wall.
Mounting surface:
The switch must be securely fixed to a stable surface. Fasteners should be selected according to the specific wall material.Retro and loft-style design
The round shape and surface-mounted installation give the switch the appearance of a classic exposed electrical installation. It can therefore serve not only as a functional control element but also as a visible interior detail.
The black housing can be combined with light or dark walls, wood finishes, brickwork, decorative plaster, classic interiors and vintage-style luminaires.
For a consistent style:- Combine with black surface-mounted sockets and switches.
- Use frames of the same style.
- Decorative cable insulators can be used in exposed retro installations.
- Coordinate with the colours of walls, furniture and luminaires.
- Maintain a consistent switch mounting height throughout the room.
For restored and vintage interiors
The switch can be used in restored country homes, manor-house interiors, wooden houses and other historically styled spaces where the appearance of classic electrical installations is to be preserved.
It is also suitable for modern lofts and industrial interiors where the electrical installation is intentionally left visible.
Heat-resistant thermoplastic housing
The switch housing is made of thermoplastic, a heat-resistant plastic.
When installing the plastic housing, excessive mechanical force and overtightening of fasteners should be avoided.
IP20 protection rating
IP20 protection rating means that the switch is intended for use in dry indoor areas and is not protected against water ingress.
IP20 is not suitable for wet areas:
Based on the stated parameters, the switch should not be considered suitable for outdoor or wet-area installation. A correspondingly higher IP protection rating is required in such locations.Ø62 × 47 mm dimensions
The switch housing diameter is 62 mm, while the height from the mounting surface is 47 mm.
Before installation, sufficient space must be provided for the switch itself, cable entry and safe terminal connection.
Technical specifications
Product type Intermediate light switch Number of keys 1 Function Intermediate switching Application For controlling one lighting circuit from three or more locations Installation method Surface-mounted Rated current 10AX Rated voltage 250 V AC Protection rating IP20 Material Heat-resistant thermoplastic Colour Black Style Retro / loft / vintage Diameter 62 mm Height 47 mm Area of use Dry indoor areas Main features
- Intermediate switch function.
- Designed for lighting control from three or more locations.
- Single-key design.
- Surface-mounted installation.
- Retro, loft and vintage design.
- Black housing colour.
- Heat-resistant thermoplastic housing.
- 10AX rated current.
- 250 V AC rated voltage.
- IP20 protection rating.
- 62 mm diameter.
- 47 mm height.
Installation principle
- Design the control circuit. Determine from how many locations the same lighting circuit will be controlled.
- Select the two-way switches. Compatible two-way switches are used at the beginning and end of the control circuit.
- Install an intermediate switch between them. For three-location control, one intermediate switch is normally used.
- If more control locations are required, additional intermediate switches are installed between the two end two-way switches.
- Disconnect the power before installation.
- Follow the contact markings. Connect the conductors according to the terminal diagram of the specific switch.
- Secure the switch to the wall. Do not overtighten the plastic housing fasteners.
- Check all control points. After installation, the lighting should be controllable from every intended location.
Electrical safety:
Installation and connection work on 250 V AC electrical systems must be carried out by a qualified specialist. The intermediate switching circuit must be wired according to the contact markings of the specific switches.FAQ – frequently asked questions
What is an intermediate switch?
It is a switch used to control one lighting circuit from three or more locations.Can an intermediate switch operate on its own?
In a multi-location control circuit, it is normally used together with two two-way switches.What is required for three-location control?
Typically, two two-way switches and one intermediate switch are used.Can the light be controlled from four locations?
Yes. In this case, two intermediate switches are used between the two end two-way switches.How many keys does the switch have?
One.Is this a surface-mounted switch?
Yes. It is intended for installation on the wall surface.What is the rated current of the switch?
10AX.What is the rated voltage?
250 V AC.What is the protection rating?
IP20.Can it be installed outdoors?
No. IP20 does not provide protection against water, so the product is intended for dry indoor areas.What material is the housing made of?
Thermoplastic, a heat-resistant plastic.What colour is the switch?
Black.What are the switch dimensions?
Diameter – 62 mm, height – 47 mm.Can an intermediate switch be replaced with a standard switch?
No, not when it is used as the intermediate element in a multi-location control circuit. A standard switch has a different contact function.Black intermediate surface-mounted switch for retro installations
The single-key intermediate switch is intended for lighting circuits that need to be controlled from three or more different locations. It is used as an intermediate control element between two two-way switches.
The surface-mounted installation method and classic retro and loft-style design make the switch suitable for restored country homes, manor houses, wooden houses, vintage interiors and modern lofts.
The black housing is made of heat-resistant thermoplastic. The switch diameter is 62 mm, height 47 mm, rated characteristics 10AX, 250 V AC, and protection rating IP20.
Wiring an intermediate switch differs from wiring a standard switch, so installation must follow the contact markings of the specific product and the design of the complete multi-location control circuit.
Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.Mounting typeSurface mount typeColorWhiteThis product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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