Description
Product Overview
The Intermatic T103 is a gray, double‑pole single‑throw (DPST) mechanical time switch designed for demanding 120 V applications. Housed in a rugged, Type 1 steel enclosure, it supports up to 40 A loads, making it suitable for pumps, HVAC units, and other motor‑driven equipment. The unit features a 4‑inch analog dial with 12 programmable ON/OFF events per 24‑hour period, a 5000‑watt rating, and a surface‑mount design for easy installation in utility rooms or equipment closets.
![[Product front view showing all components]](https://www.yelvora.store/wp-content/uploads/2026/06/136d802123e84e9ebed3c72b8e53f55d.jpg)
Usage
Ideal for commercial and residential environments, the T103 automates daily power cycles for lighting, water features, fans, and industrial machinery. Install it in garages, utility rooms, or equipment closets to control pumps, de‑humidifiers, or HVAC components, ensuring energy efficiency and reduced manual intervention. Its 1‑hour minimum interval between events provides flexibility for varied scheduling needs.
Why Choose Us
Intermatic combines over 100 years of electrical expertise with a commitment to safety and durability. The T103 is UL and CSA listed, guaranteeing compliance with North American standards. Its heavy‑duty steel housing protects against impact and environmental stress, while the included programmable trippers simplify setup. Backed by a one‑year warranty and responsive customer support, you receive a reliable solution you can trust.
Key Features
- Heavy‑duty DPST design handles 40 A loads for pumps, HVAC and motor equipment.
- 12 programmable on/off events per day give precise control of lighting and appliances.
- Rugged steel enclosure ensures long‑term durability in tough environments.
- Analog dial provides intuitive scheduling without the need for software.
- Includes one‑year warranty and dedicated technical support for peace of mind.
FAQ
Can the T103 control both resistive and inductive loads?
Yes, the switch is rated for 40 A resistive, inductive, and motor loads, making it suitable for a wide range of applications.
How many events can be programmed in a 24‑hour period?
The device allows up to 12 ON/OFF events, with a minimum interval of one hour between each event.
Is the T103 suitable for outdoor installation?
The T103 is designed for indoor, surface‑mount use in utility rooms, garages, or equipment closets. For outdoor use, a weather‑proof enclosure is recommended.
What warranty does Intermatic provide?
Intermatic offers a one‑year limited warranty covering defects in materials and workmanship.
Do I need batteries for the timer to operate?
No, the mechanical timer operates without batteries, relying on a simple analog mechanism.




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