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  • Simply Automated US2-40 SimplyBrilliant Universal UPB Dimmer Switch Base — Specifications

    September 08, 2026 3 min read

    Specification sheet for the Simply Automated SimplyBrilliant US2-40 Universal UPB Dimmer-Controller Switch Base, with interchangeable faceplate options.

    Full text manual (for reference)

    Specification sheet for the Simply Automated SimplyBrilliant® US2-40 — a Universal UPB Dimmer-Controller Switch Base with 1 Watt to 900 Watt control of lighting fixtures, motors, and other electrical devices.

    Overview

    The US2-40 accepts thirteen (13) universal faceplate choices in 6 standard colors, fitting most décor and lighting needs. Multi-rocker/button faceplates control the local load and transmit Universal Powerline Bus (UPB) lighting scene-links to other UPB devices to control virtually anything connected to the powerline anywhere in the home.

    Advantages

    • No new wires — communicates over existing power lines; transmits and receives UPB lighting scenes
    • UPB technology delivers exceptional reliability and noise immunity, lowest installed cost vs. hardwired/RF solutions, and no interference between adjacent homes
    • Easily configured/reconfigured with UPStart (PC) software, including a Wizard for first-time users

    Features

    • Interchangeable universal faceplate assemblies — 78 faceplate options (13 styles Ă— 6 standard colors); change color and functionality in the field without disconnecting power
    • Configurable output — dimming (default) or on/off dimming disabled; 900 Watts / 7.5 Amps max, 1 Watt min
    • Supports incandescent, halogen, fluorescent, LED, low-voltage transformers, ballasts, and motors/pumps/fans
    • Intuitive rocker/button action — press and hold for 200 dimming steps and Resume Dim; single tap fades up/down; double tap snaps to 100%/0%; adjustable response time and fade rate
    • Manual scene-link modification via rocker/buttons — add/delete devices from a scene with 7 or 8 taps; adjust and save linked devices' light levels with 7 taps
    • Patented contoured heat sink for cooler operation; thermal overload protection
    • Blue/Green dual LED indicator
    • Dedicated Remote Switch (model USR) connections for inexpensive 3-way-or-more control
    • Standard faceplate colors: White (W), Almond (A), Light Almond (LA), Ivory (I), Black (BK), Brown (BN)

    Specifications

    Power 120VAC ±10%, 60 Hz
    Output & Loads 1 Watt minimum, 900W (7.5 Amp) maximum at 120VAC; configurable for dimming (default) or on/off dimming disabled
    Connections 6" stranded pigtails, #16 AWG for power/load; #20 AWG for traveler wires
    Operating Temperature 30–120°F (0–50°C)
    Dimensions 4.2"H x 1.7"W x 1.6"D (107 x 43 x 41mm); depth inside J-box = 1.35"
    Weight 3.8 oz (108g)
    Mounting Standard J-box
    Wiring Black = AC Line, White = AC Neutral, White/Brown = Traveler 1, White/Red = Traveler 2

    For indoor or weather-protected use only.

    Ganging & Derating

    J-box Gangs 1 dimmer 2 dimmers 3+ dimmers
    1 600W – –
    2 800W 500W –
    3+ 900W 700W 500W

    Faceplate Options

    Styles include: Single Rocker (ZS11), Dual-Tall Rocker (ZS12), Dual-Short Rocker (ZS22), Triple Rocker (ZS23), Quad Rocker (ZS24), 4-Button Thin Bar (ZS24B), 4-Button Oval (ZS24O), Single Rocker 4-Button Thin Bar (ZS25B), Single Rocker 4-Button Oval (ZS25O), Dual Rocker 4-Button Thin Bar (ZS26B), Dual Rocker 4-Button Oval (ZS26O), 8-Button Thin Bar (ZS28B), 8-Button Oval (ZS28O) — each available in Standard (Gloss Finish) colors White (W), Almond (A), Light Almond (LA), Ivory (I), Black (BK), Brown (BR). Order as model US2-40 (Universal Dimmer-Controller, Single Load, Switch Base) plus a ZSxxx-xx faceplate option (e.g., ZS26B-LA).

    Applications

    Used for single rocker to multi-rocker/button lighting control throughout a home — living room, family/great room, kitchen, study, master bedroom/bathroom, office. Turn on/off all lights in the home; automatically (with Scheduler-Timer model UCS) control outdoor garden/security lights or nightlights; create virtual 3-way switches; trigger scenes from a garage door opener, doorbell, phone ring, or alarm system arm/disarm/alarm event. Up to 250 UPB devices and 250 scene-links can be used on a single powerline network.

    Manufacturer

    Simply Automated, Incorporated. 6108 Avenida Encinas, Suite B, Carlsbad, CA 92011 USA. Tel: 800-630-9234 / 760-431-2100. sales@simply-automated.com — www.Simply-Automated.com. Prices and specifications subject to change without notice.