Smart Laffey D Series Large Panel Tact Switch (High Voltage & Low Voltage Bus)
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System Architecture High Voltage (110–240V AC) | Low Voltage Bus (12–24V DC / RS485 / Dry Contact / KNX)
Gang / Configuration 1-Gang | 2-Gang | 3-Gang | 4-Gang | Scene Control Panel
Panel Finish Arctic White | Piano Black | Champagne Gold | Slate Grey
The Smart Laffey D Series Large Panel Tact Switch combines clean architectural minimalism with ergonomic tactile satisfaction. Featuring expansive rocker keycaps, a patented layered TPE silent press structure for whisper-quiet actuation, and soft LED indicator backlighting, the D Series is designed for modern residences, corporate offices, and luxury hotel rooms. Available in direct high-voltage line wiring or centralized low-voltage bus architectures (12–24V DC / RS485 / Dry Contact / KNX networks).
- Layered TPE Silent Press Structure: Internal shock-absorption damping eliminates sharp mechanical clicking noises.
- Large Panel Ergonomics: Full-cover keycap design provides effortless actuation across the entire surface area.
- Dual Voltage Architectures: Standalone High Voltage (110–240V AC) or centralized Low Voltage Bus integration.
- 1-to-5 Gang Conjoined Alignment: Compatible with Smart Laffey continuous surround frames for unified wall alignment.
Architectural Minimalism with Engineered Tactile Precision
The Smart Laffey D Series Large Panel Tact Switch sets a high standard for modern wall controls, offering full-face keycaps that deliver balanced actuation across every press point. Crafted with precision-molded polycarbonate faceplates and structural internal dampening, the D Series provides an ultra-clean appearance that fits seamlessly into contemporary residential and commercial interiors.
Engineered around Laffey’s patented TPE layered press architecture, the switch mechanism absorbs operational kinetic force to deliver a smooth, whisper-quiet response with every interaction[cite: 1]. Whether configured for standard 110–240V AC lighting circuits or centralized smart home bus control (12–24V DC / RS485 / Dry Contact / KNX), the D Series ensures long-term operational reliability and aesthetic continuity.
Key Features & Technological Highlights
- Patented TPE Silent Press Mechanism: Internal thermoplastic elastomer layers cushion each button press, drastically reducing mechanical sound[cite: 1].
- Soft LED Backlight Indicators: Patented multi-color LED orientation lighting provides subtle visibility in darkness without disruptive bedroom glare[cite: 1].
- Laser-Engraved Customization: Supports custom text and icon laser engraving with backlight pass-through for intuitive scene and circuit identification[cite: 1].
- Flame-Retardant Substructure: Full rear housing molded from UL94-V0 rated fire-retardant PC for maximum thermal safety and electrical insulation.
- Universal 86-Type Installation: Fits standard European and British standard (BS 86-type) wall mounting enclosures.
- Seamless Modular Alignment: Supports 1 to 5 gang horizontal and vertical conjoined framing alongside sockets and climate controls[cite: 1].
High Voltage AC vs. Low Voltage Bus Topology
Choose the correct internal core configuration to align with your electrical design:
- High Voltage AC Version (110–240V AC, 10A): Connects directly to main phase, neutral, and load wires. Ideal for standard lighting, fan control, and retrofit upgrades.
- Low Voltage Bus Version (12–24V DC / RS485 / Dry Contact / KNX): Connects directly to smart automation loops, hotel Room Control Units (RCU), and PLC systems requiring dry contact closure or bus telegrams.
Technical Specifications
| Parameter | Specification Detail |
|---|---|
| Product Series | Smart Laffey D Series |
| Faceplate Material | High-Impact UV-Stabilized Polycarbonate |
| Press Mechanism | Layered TPE Damped Silent Tact Mechanism[cite: 1] |
| Housing / Base Material | Flame-Retardant Polycarbonate (UL94-V0 Rated) |
| High Voltage Operating Voltage | 110V – 240V AC, 50/60Hz (Rated Current: 10A) |
| Low Voltage Operating Voltage | 12V – 24V DC (RS485 / Dry Contact / KNX Compatible)[cite: 1] |
| Gang Configurations | 1-Gang, 2-Gang, 3-Gang, 4-Gang, Scene Controller |
| Mechanical Lifespan | > 100,000 Operations |
| Operating Temperature | -10°C to +50°C |
| Operating Humidity | 10% – 95% RH (Non-condensing) |
| Color Options | Arctic White, Piano Black, Champagne Gold, Slate Grey |
| Panel Dimensions | 86mm x 86mm x 32mm (Fits Standard 86-Type Wall Box) |
| Certifications | CE, CB, RoHS, SASO, BS, ISO9001[cite: 1] |
Installation & Wiring Instructions
Safety Warning: Turn off primary circuit power before performing wiring on High Voltage (110–240V AC) models. For Low Voltage Bus units, confirm correct DC voltage supply and bus polarity (+12V/24V, GND, RS485 A/B) before powering on the system controller. Installation should be performed by a qualified electrician or systems integrator.
