Intermatic - GMXST-I-240 - 24-Hour 208/240V Electromechanical Timer

★★★★★ 4.6 150 reviews

US$41.06
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US$41.06
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Free shipping Free 30-day returns

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Product details

Management number 203835754 Release Date 2025/10/20 List Price US$41.06 Model Number 203835754
Category

Spec Sheet  Install Manual

Intermatic GMXST-I-240 24-Hour 208/240V Electromechanical Timer, 15 Minute Intervals, 21A, SPDT, Type 1 Indoor Plastic Enclosure

The GMX series time switches are universal mechanical time switches. They are a low cost alternative for applications that do not require more than 21 A or 2 HP @ 240 VAC. The timer is mounted in a UL Type 1 indoor or Type 3R outdoor plastic enclosure. The GMX is a light-duty commercial time switch ideal for 24, 120 or 208/240 VAC single-phase general applications.

Features:

  • 21 A SPDT Switch
  • UL Type 1 indoor or Type 3R outdoor plastic enclosure
  • Manual 3-way override
  • Captive trippers with 15-minute intervals on 24-hour models and 2-hour intervals on 7-day models
  • True clock face, easy to set
  • Finger-safe terminals
  • Enclosure provides space for field-added contactor or other accessories
  • Synchronous drive or quartz drive ("Q" models) with self-charging battery backup

Applications:

  • Aeration
  • Air Movement & Ventilation
  • Generator Exercising
  • Refrigeration Merchandiser
  • Septic Treatment

Specifications:

Input Voltage Range(s) 208/240 VAC, 60 Hz Mounting Options Wall
Resistive 21 A, 250 VAC, 60 Hz Switch Type SPDT
Enclosure Type Indoor type 1 plastic Has Real-time Clock Face Yes
Warranty Period 1-Year limited Wiring Option Screw terminal accepts up to #12 AWG wire
Application Compatibilities CFL, Fluorescent, Incandescent, LED Category Timer Controls Web
Clock Drive Type Synchronous Has Captive Trippers Yes
Has Finger-Safe Terminals Yes Has Override Switch Yes
Maximum Cycle Time 24 hrs Minimum Cycle Time 15 min
Motor (Three-Phase) 1 HP, 120 VAC; 2 HP, 250 VAC Operating Humidity 0 to 95%, Non-condensing
Shortest switching time ON/OFF 15 minutes Timing Interval 15 min
Tungsten (NO) 1350 W, 120 VAC, 60 Hz Wire Size Max #12 AWG
Operating Temperature Max (°C) 85 Operating Temperature Max (°F) 185
Operating Temperature Min (°C) -40 Operating Temperature Min (°F) -40
Product Depth (in) 3 3/4 Product Depth (mm) 95
Product Height (in) 10 Product Height (mm) 254
Product Width (in) 6 1/2 Product Width (mm) 165
Unit Carton Height (in) 4.125 Unit Carton Length (in) 10.125
Unit Carton Weight (lb) 1.547 Unit Carton Width (in) 6.875

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