The TBC B8-115 belongs to the B8 Series range of modular wall switches, designed to deliver consistent switching performance across a wide variety of indoor electrical applications. Built with premium-grade Polycarbonate (PC) for the plate, dolly, and base, this switch combines structural integrity with an aesthetically refined white finish that complements contemporary interior environments.
At its core, the B8-115 offers a smooth rocker switching action supported by reliable brass and phosphor bronze contacts, ensuring low contact resistance and extended service life. Rated at 15A and 250V AC, it is well-suited for controlling lighting circuits and general electrical loads in residential homes, offices, and commercial buildings.
Compliant with IEC 60669-1, the B8-115 is engineered to meet the demands of professional electrical installations, offering both surface and flush mounting options to accommodate diverse installation requirements.
The TBC B8-115 is a 1 Gang 15A rocker wall switch forming part of the established B8 Series product line. The switch is constructed entirely from high-grade Polycarbonate (PC) across its plate, dolly, and base components, a material selected for its superior dielectric properties, flame-retardant characteristics, and resistance to mechanical stress and elevated temperatures. The result is a switch body that maintains dimensional stability and surface quality over an extended operational lifespan.
Internal contact components are manufactured from brass and phosphor bronze, materials chosen for their proven performance in switching applications — offering low and stable contact resistance, good spring-back characteristics in the phosphor bronze elements, and resistance to corrosion and wear. The pillar-type terminal arrangement with clearly marked COM and L1 designations facilitates straightforward and error-resistant wiring during installation.
With a rated current of 15A at 250V AC and a connection capacity of up to 2.5 mm², the B8-115 is dimensioned at 86 mm × 86 mm, fitting standard wall box formats for both surface and flush mounting. Its IP20 protection rating and indoor operating range of -5°C to +40°C at up to 95% relative humidity confirm its suitability for a broad range of interior environments.
The B8-115 operates on a rocker switching mechanism in which the dolly pivots about a central axis to open or close the internal contact bridge. The contact assembly pairs a brass fixed contact with a phosphor bronze moving contact element, the latter providing the spring force necessary to maintain reliable contact pressure in the closed position and to achieve a clean, rapid break on switching. This contact geometry minimises arcing duration and reduces contact erosion over repeated switching cycles.
The pillar-type terminal design clamps conductors securely without requiring specialist tooling, accommodating solid or stranded conductors up to 2.5 mm². The flame-retardant PC body material limits flame propagation in fault conditions, and the overall construction is aligned with the requirements of MS 1577 for general-purpose switches intended for household and similar fixed electrical installations.
| Model Number | B8-115 |
|---|---|
| Series | B8 Series |
| Product Type | Switch |
| Function | 1 Gang 15A |
| Control Type | Rocker Switch |
| Rated Current | 15A |
| Rated Voltage | 250V AC |
| Mounting Type | Surface / Flush |
| Protection Degree | IP20 |
| Terminal Type | Pillar Type |
| Terminal Marking | COM / L1 |
| Number of Terminals | 3 |
| Connection Capacity | 2.5 mm² |
| Height | 86 mm |
| Width | 86 mm |
| Swtich Function | On/ Off power socket oulet |
| Operating Temperature | -5°C to +40°C |
| Humidity | Up to 95% RH |
| Usage Environment | Indoor |
| Plate / Dolly / Base Material | Polycarbonate (PC) |
| Contact Material | Brass & Phosphor Bronze |
| Standards Compliance | MS 1577 |
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