Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

INTERMATIC Electromechanical Timer: 24 hr, 120V AC, DPST - Electromechanical Timer Switches
INTERMATICElectromechanical Timer Switches

INTERMATIC Electromechanical Timer: 24 hr, 120V AC, DPST

The INTERMATIC T103 is a 24-hour electromechanical timer switch with a DPST configuration, operating on 120V AC. It features a metal body and is designed for indoor surface-mount applications.

SKU 3G-OTH-30433

Also listed as: T 103 · T-103

Brand
INTERMATIC
Item
Electromechanical Timer: 24 hr, 120V AC, DPST
Category
Electromechanical Timer Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

INTERMATIC
Manufacturer Part Number
T103
Body Material
Metal
Mounting Style
Surface
Indoor/Outdoor Usage
Indoor

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

INTERMATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INTERMATIC T103 is a 24-hour electromechanical timer switch with a DPST configuration, operating on 120V AC. It features a metal body and is designed for indoor surface-mount applications.

Frequently Asked Questions

What is the INTERMATIC T103 electromechanical timer used for?

The INTERMATIC T103 is used for automatic 24-hour on/off control of indoor electrical loads such as lighting, pumps, and ventilation fans. Its DPST (Double-Pole Single-Throw) switching allows simultaneous control of two separate circuits, making it suitable for commercial and industrial applications requiring reliable time-based scheduling.

What are the specifications of the INTERMATIC T103 timer?

The INTERMATIC T103 is a 24-hour electromechanical timer operating on 120V AC with a DPST contact configuration. It features a metal body for durability and is designed for indoor surface-mount installation. The manufacturer part number is T103, and it is produced by INTERMATIC.

Where to buy the INTERMATIC T103 timer worldwide?

The INTERMATIC T103 is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on sourcing this INTERMATIC timer for your project.

How to install the INTERMATIC T103 timer?

To install the INTERMATIC T103, mount the metal body on a flat indoor surface using the provided hardware. Connect the 120V AC supply and load wires to the DPST terminals per the wiring diagram. Ensure the timer is set to the correct time of day and program the on/off trippers for your desired schedule. Always follow local electrical codes.

Used in

Common applications for INTERMATIC
Outdoor lighting control — INTERMATIC ET2145CR digital timer for parking lot lighting schedules
HVAC scheduling — INTERMATIC T7801B electromechanical timer for 7-day ventilation system cycling
Dusk-to-dawn lighting — INTERMATIC K4141C photocontrol for automatic street or sign lighting
Short-cycle pump control — INTERMATIC FD5MW spring-wound timer for sump pump test cycles
Plug-in appliance timing — INTERMATIC DT200LT digital plug-in timer for outdoor holiday lighting
Indoor load shedding — INTERMATIC ET2805C astronomic timer for office lighting based on daylight

INTERMATIC Products

3G Electric supplies INTERMATIC electromechanical timer switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPST, Mechanical (MPN T101)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPST, Mechanical (MPN T101)
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, DPST, Mechanical (MPN T103P)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, DPST, Mechanical (MPN T103P)
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPST, Mechanical (MPN T101R)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPST, Mechanical (MPN T101R)
INTERMATIC Electromechanical Timer: 24 hr, 208-277V AC, DPST, Mechanical (MPN T104R)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 208-277V AC, DPST, Mechanical (MPN T104R)
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, DPST, Mechanical (MPN T103PCD82)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, DPST, Mechanical (MPN T103PCD82)
INTERMATIC Electromechanical Timer: 24 hr, 208-277V AC, DPST, Mechanical (MPN T104)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 208-277V AC, DPST, Mechanical (MPN T104)

More from INTERMATIC

View all INTERMATIC parts
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPST, Mechanical (MPN T171)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPST, Mechanical (MPN T171)
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, DPST, Mechanical (MPN T173R)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, DPST, Mechanical (MPN T173R)
INTERMATIC Electromechanical Timer: 7 day, 120V AC, SPDT, Mechanical (MPN GMXSW-I-120)
INTERMATIC
INTERMATIC Electromechanical Timer: 7 day, 120V AC, SPDT, Mechanical (MPN GMXSW-I-120)
INTERMATIC Electromechanical Timer: 24 hr, 208-277V AC, SPDT, Mechanical (MPN T1976)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 208-277V AC, SPDT, Mechanical (MPN T1976)
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPST, Mechanical (MPN T101P)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPST, Mechanical (MPN T101P)
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPDT-NO/NC, Mechanical (MPN T105)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 120V AC, SPDT-NO/NC, Mechanical (MPN T105)
INTERMATIC Electromechanical Timer: 7 day, 120V AC, SPST, Mechanical (MPN T7401BC)
INTERMATIC
INTERMATIC Electromechanical Timer: 7 day, 120V AC, SPST, Mechanical (MPN T7401BC)
INTERMATIC Electromechanical Timer: 24 hr, 125V AC, SPDT, Mechanical (MPN T1975)
INTERMATIC
INTERMATIC Electromechanical Timer: 24 hr, 125V AC, SPDT, Mechanical (MPN T1975)