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Retrofit Relays & Dimmers

TAC SH

A 3-button Zigbee shutter and curtain control switch with dedicated Open, Close, and Stop functions for AC motorized blinds and curtains up to 150W.

TAC SH

Protocol: Zigbee 3.0 · Type: Zigbee Shutter / Curtain Control Switch · SRP: ₹17,750

Works with: Amazon Alexa · Google Home · Siri / Apple HomeKit

AC motor loads only. Not suitable for use as a standard lighting switch. Materials: PP or AG glass. Colours: Black, White, Gold.
Requires: Zigbee coordinator or hub

Description

A 3-button Zigbee shutter and curtain control switch with dedicated Open, Close, and Stop functions for AC motorized blinds and curtains up to 150W.

Backlit with customizable icons. Available in PP or anti-glare glass in black, white, or gold.

Specifications

SpecificationValue
Channels1 (Open / Close / Stop)
Max Switching150W motor
Recommended LoadAC curtain/blind motor up to 150W
InstallationWall-mounted
CompatibilityZigbee automation platforms
Input Voltage110–240V AC 50/60Hz
Communication ProtocolZigbee
Product Size86 × 86 × 10.5 mm
Bottom Shell Depth28mm
Working Temperature-10°C to +60°C
Working Humidity≤95% RH (non-condensing)

Installation

Requirements

  • Existing wall switch in a flush box (≥ 60mm depth recommended)
  • Live, Neutral, and Load wires in the flush box
  • Zigbee coordinator within range

Turn off the circuit breaker for the affected circuit.

Remove the existing switch plate. The retrofit module sits behind the existing switch — no visible hardware change.

Connect wiring:

  • Live → L input
  • Neutral → N input
  • Load → load output(s)

Fit the module into the flush box. Use DIN rail adapters for panel board installation.

Replace the switch plate.

Restore power. The device will blink — ready to pair.

Pair with your Zigbee coordinator.

Load Limits

  • Standard relay: up to 4A direct. For 4–10A, use an external relay/SSR/contactor.
  • 40A relay: rated for direct high-current switching. Proper cable sizing and circuit protection mandatory.
  • Dimmer modules: resistive and leading-edge dimmable loads only. Not suitable for ceiling fans.

Shutter Module

The shutter module controls motorised curtains, blinds, and shutters:

  • M1, M2 → motor up/down terminals
  • Configure travel time in your coordinator for accurate position reporting.

Ordering

SRP (incl. GST)₹17,750
GST Rate18%
HSN Code85369090