Mechanical Time Switch · 24-Hour · 120 VAC DPST Indoor Type 1 · Intermatic T103
What this product is for
The Intermatic T103 is a 24-hour mechanical time switch for automatically turning 120 VAC loads on and off on a daily schedule. It uses a DPST switching arrangement and is supplied in an indoor Type 1 metal enclosure for wall-mounted installations.
Use for
Use for indoor lighting control, signage, pumps, fans, and other equipment that needs the same daily schedule. It is a practical choice where electricians want a straightforward electromechanical timer with manual override and no programming screen.
Avoid for
Avoid for outdoor locations unless installed in a suitable enclosure, and avoid applications needing short cycle times under 1 hour, multi-day programming, or digital scheduling features. Confirm load type and rating before use, especially for LED drivers, ballasts, and motor loads.
Best for
Best for contractors and maintenance teams replacing or specifying a proven 24-hour time clock for repeat daily switching. It suits service work and retrofit jobs where a mechanical dial timer is easier to set and troubleshoot than a digital control.
Installed in
Typically installed in electrical rooms, service spaces, utility areas, commercial back-of-house spaces, and indoor mechanical areas. The enclosure is indoor Type 1 metal construction.
Why this product exists
This product exists to provide dependable daily load scheduling without software, networking, or battery-dependent programming. A typical buying advantage is simpler setup for recurring daily ON/OFF control and easier field replacement in existing Intermatic T100-series style applications.
Compared with similar products
Compared with digital timers, the T103 offers simpler mechanical scheduling and manual override, but with less programming flexibility. Compared with other T100-series models, the key selection point here is 120 VAC operation with DPST switching. As typical guidance, mechanical 24-hour timers like this are commonly chosen when one repeated daily schedule is all that is required. Actual suitability depends on load characteristics, wiring method, and local electrical code.
Specifications
- Manufacturer: Intermatic
- Part number: T103
- Product type: 24-hour mechanical time switch
- Input voltage: 120 VAC, 60 Hz
- Switch type: DPST
- Minimum ON/OFF time: 1 hour
- Daily operations: Up to 12 ON/OFF operations per day
- Included trippers: 1 ON and 1 OFF
- Enclosure: Indoor Type 1 metal
- Manual override: Yes
- Resistive rating: 40 A at 120 VAC
- Electronic ballast rating: 16 A, 120-277 VAC
- Certifications: cCSAus
Minimum Order $20
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(Contractor Accounts)
Standard Shipping-Free on orders over $249 in Metropolitan Areas / $499 in Rural Areas
(All Other Accounts)
Standard Shipping-Free on orders over $499
Minimum Order Is $20
Freight Surcharge Apply To Oversized/Over-Weight Items(Not Limited To):
- PVC and EMT Pipe
- Wire and Cable
- Items over 48 inches in length
Surcharges are applied to items on an individual basis regardless if the rest of the order meets prepaid levels. If a freight line appears at the time of check out it only applies to the Items carrying a surcharge and not the entire basket of goods.
Shipping Options:
- A courier can deliver to your home, office, or your job site
- Pick up at local depot near you (applies to the following locations)
Edmonton Warehouse 8135 Roper Rd Edmonton, T6E 6S4, AB
Burnaby Warehouse 5608 Goring St Burnaby, V5B 3A3, BC
Orders are typically delivered within two to eleven business days. The transit time begins the first full shipping day after your order leaves our warehouse. Please allow an additional 2-5 days for delivery to remote locations, additional fees may apply.
THE FOLLOWING APPLIES TO STANDARD SHIPPING OPTIONS
- We cannot deliver to P.O. boxes.
- A signature may be required for shipments over $500.
- No weekend delivery.
- Wire & cable, EMT or PVC conduit, tube lamps 4ft or greater, and 10ft ground rods & mast pipes have special conditions.
Standard Shipping cost on orders less than $499
Total shipping cost = "Per Shipment" cost + "Per Item" cost. The "per item" cost is listed in terms of price per pound.
Product Group | Per Shipment* | Per Item |
|---|---|---|
Boxes | $6.99 | $1.49/lb |
Conduit & Raceway | $149.99 | $2.49/lb |
Connectors & Fittings | $5.99 | $1.19/lb |
Data & Structured Home | $5.99 | $1.19/lb |
Distribution Equipment | $5.99 | $1.19/lb |
Emergency Lighting | $6.99 | $1.49/lb |
Heating & Ventilation | $6.99 | $1.49/lb |
Lighting Controls | $5.99 | $1.19/lb |
Lighting Indoor | $6.99 | $1.49/lb |
Lighting Outdoor | $6.99 | $1.49/lb |
Tools | $4.99 | $.99/lb |
Wire & Cable | $49.99 | $2.29/lb |
Wiring Devices | $5.99 | $1.19/lb |
Any combination of the above items | Highest applicable per-shipment charge | As above |
Effective Date: August, 15, 1998
At Evolt Electrical Supply, customer satisfaction is our top priority. Please review our return policy below:
Returns
Defective Items:
- If you receive a defective item, you may return it for a replacement or refund within 30 days of purchase.
- To initiate a return, please contact our customer service team with your order number and a description of the defect.
Non-Defective Items:
- We do not accept returns for non-defective items. All sales are final once the product is shipped or ordered from the manufacturer. In certain circumstances we may amend this so feel free to contact our customer service team.
Return Process
Authorization:
- Before returning any items, you must obtain a Return Merchandise Authorization (RMA) number from our customer service team. Returns without an RMA number will not be accepted.
- Backordered items can not be cancelled if the item is in transit from the manufacturer, contact us to review.
Shipping:
- Customers are responsible for the return shipping costs. We recommend using a trackable shipping service or purchasing shipping insurance.
Condition:
- Returned items must be in their original packaging and condition. Any items returned damaged due to improper packaging or misuse will not be eligible for a refund or replacement.
Refunds
- Once we receive and inspect your returned item, we will notify you of the approval or rejection of your refund.
- Approved refunds will be processed within [7] business days and a credit will automatically be applied to your original method of payment.