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Crestron GLA-DT-VS-1 STEINEL Dual Technology Vacancy Sensor, White

Crestron part number GLA-DT-VS-1-W

The Crestron GLA-DT-VS-1 is the STEINEL DT VS 1, a line voltage, single relay vacancy sensor that uses PIR and ultrasonic detection to control lighting in commercial spaces. It works as a manual ON sensor, so people switch the lights on and the sensor turns them off when it no longer detects anyone.

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Installation and programming

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Crestron GLA-DT-VS-1 STEINEL DT VS 1 Dual Technology Vacancy Sensor, White

About the Crestron GLA-DT-VS-1

Combining PIR with 40 kHz ultrasonic sensing improves occupancy detection in difficult applications, and trigger mode DIP switch settings decide which technology, or both, keeps the load ON. The ultrasonic reach is adjustable from 25% to 100%, and the sensor has a 180° coverage pattern. IQ Mode adjusts the ON time delay by learning how each room is used.

A walk through mode can switch the load OFF after 3 minutes if nothing more is detected after the first 30 seconds, and an audible alert warns that the load will shut OFF in 10 seconds unless further motion is detected. Switch Link communication lets up to 4 sensors be grouped together. The sensor controls line voltage lighting at 120/230/277 VAC, 50/60 Hz.

It mounts in a single-gang NEMA-style standard switch box, with a decorator-style wall plate supplied by others. Crestron gives typical applications as small offices, conference rooms and break rooms where manual ON vacancy control is wanted, and advises using it in enclosed spaces no larger than 20 ft x 16 ft. This page covers the white version, GLA-DT-VS-1-W.

Key features

  • Dual technology: PIR and 40 kHz ultrasonic vacancy sensing
  • Manual ON vacancy control with a single relay
  • Line voltage lighting control at 120/230/277 VAC, 50/60 Hz
  • Adjustable ultrasonic reach from 25% to 100%
  • 180° coverage pattern
  • Walk through mode and audible shut OFF alert
  • Switch Link groups up to 4 sensors
  • Fits a single-gang NEMA-style switch box

GLA-DT-VS-1 specifications

SensingPIR and 40 kHz ultrasonic
ControlVacancy (manual ON), single relay
Line voltage120/230/277 VAC, 50/60 Hz
Coverage180° pattern; ultrasonic reach adjustable 25% to 100%
Recommended spaceEnclosed spaces no larger than 20 ft x 16 ft
TimingIQ Mode; walk through mode (OFF after 3 minutes if no detection after the first 30 seconds); audible alert 10 seconds before OFF
GroupingSwitch Link, up to 4 sensors
MountingSingle-gang NEMA-style standard switch box; decorator-style wall plate by others
ColourWhite (GLA-DT-VS-1-W)

Part numbers on this page

Part numberVersionPriceAdd
GLA-DT-VS-1-W White On request

Where the GLA-DT-VS-1 is used

  • Small offices
  • Conference rooms
  • Break rooms
  • Rooms that need manual ON, automatic OFF lighting

Crestron installed by 1Install

We supply, install and programme Crestron in homes and businesses across Ireland. These photos are from our own installations. See more in our projects, or budget a whole system with our Quote Builders for homes and meeting rooms.

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Crestron controlled shelf lighting in a Dublin retail boutique
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Lantern pendants lighting a sweeping staircase in a Malahide home, Dublin
Country house at dusk with Crestron lighting in Waterfall, Cork
Country house at dusk with Crestron lighting in Waterfall, Cork

Questions about the Crestron GLA-DT-VS-1

What is the Crestron GLA-DT-VS-1?

It is the STEINEL DT VS 1, a line voltage, single relay vacancy sensor that combines PIR and 40 kHz ultrasonic detection. It is intended to control lighting in commercial spaces, with the lights switched on manually and turned off by the sensor.

Why is the GLA-DT-VS-1 called a vacancy sensor?

Crestron describes it as a vacancy (manual ON) sensor. The lights are switched on by hand, and the sensor handles switching them off, for example through the walk through mode, with an audible alert 10 seconds before the load shuts OFF unless more motion is detected.

What voltage does the GLA-DT-VS-1 work with?

It is a line voltage sensor for lighting control at 120/230/277 VAC, 50/60 Hz, with a single relay. It mounts in a single-gang NEMA-style standard switch box, and the decorator-style wall plate is supplied by others.

What size room is it suited to?

Crestron gives small offices, conference rooms and break rooms as typical applications, and advises using the sensor in enclosed spaces no larger than 20 ft x 16 ft. It has a 180° coverage pattern and an ultrasonic reach adjustable from 25% to 100%.

Can several sensors work together?

Yes. Switch Link communication allows up to 4 sensors to be grouped together. Trigger mode settings also let you choose which sensing technology, PIR, ultrasonic or both, keeps the load ON, and IQ Mode adjusts the ON time delay to how the room is used.

How much is the Crestron GLA-DT-VS-1?

Crestron asks its dealers to give the price of the GLA-DT-VS-1 directly rather than publish it online. Add it to your quote list and we will send you a written quote, with delivery, and installation and programming if you need them.

Can 1Install supply, install and programme the GLA-DT-VS-1?

Yes. 1Install is an authorised Crestron Elite Partner with offices in Skerries, Co. Dublin and Cork. We can supply the GLA-DT-VS-1 on its own, or install, set up and programme it as part of your system. Installation visits are €440 for 4 hours or €880 for a full day, plus VAT and travel.

Does the GLA-DT-VS-1 come with a warranty?

Yes. Everything we supply is new, genuine Crestron with Crestron's standard warranty. If the GLA-DT-VS-1 develops a fault, contact us and we will handle the claim with Crestron. If we installed it, our workmanship is guaranteed for the lifetime of the system.

Is the GLA-DT-VS-1 in stock?

We order Crestron for each quote, so availability depends on Crestron's stock at the time. We check it before we quote and put the expected delivery date on your quote, so you know where you stand before you pay.

Can I buy the GLA-DT-VS-1 without installation?

Yes. We supply Crestron to end users, with or without installation. Like most Crestron devices of this type, it needs setting up or programming before it works in a system, and we can quote for that too.

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