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Electronic Time Switch · 24-Hour, SPST, 120-277 VAC, 30A · 28 Events, Indoor Type 1 Enclosure · Intermatic ET1105C
SKU: ET1105C
24-hour electronic time switch for daily scheduling of one load on 120-277 VAC circuits. The Intermatic ET1105C provides SPST switching, up to 28 programmable events, manual override, and an indoor Type 1 steel enclosure for lighting, signage, pumps, and other repeat-cycle loads.
What this product is for
The Intermatic ET1105C is a 24-hour electronic time switch used to control one electrical load on a repeating daily schedule. It is designed for indoor installations where contractors need dependable on/off control for lighting, signage, fans, pumps, and similar branch-circuit loads.
Use for
Use for indoor lighting control, display or sign circuits, exhaust fans, circulation equipment, and other loads that need the same schedule repeated every day. It suits 120-277 VAC applications and supports up to 14 ON events and 14 OFF events per day for a total of 28 programmable events.
Avoid for
Avoid using this timer where a weatherproof enclosure is required, where multi-day or 7-day scheduling is needed, or where the connected load exceeds the device ratings. It is a Type 1 indoor steel enclosure, not a rain-tight outdoor control.
Best for
Best for electricians and maintenance teams replacing mechanical timers with a digital 24-hour control that offers minute-by-minute programming, automatic daylight saving adjustment, and manual override. It is a practical choice when one circuit needs straightforward daily scheduling without a more complex building control system.
Installed in
Typically installed in electrical rooms, service spaces, utility areas, commercial back-of-house spaces, and indoor mechanical or maintenance areas. The enclosure is approximately 5.1 in W x 7.9 in H x 3.0 in D (130 x 201 x 76 mm), which helps when planning wall space and conduit entry.
Why this product exists
This product exists to provide more precise daily scheduling than a basic mechanical timer while still using a familiar enclosed control format. It helps reduce unnecessary run time on lighting and equipment, which can support energy management and routine automation on a single circuit.
Compared with similar products
Compared with a mechanical 24-hour timer, the ET1105C offers digital programming to the minute, more event capacity, and automatic daylight saving time adjustment. Compared with 7-day or astronomic controls, it is simpler and better suited where the same schedule repeats every day. As a rule of thumb, this style of timer is commonly used where one load needs repeat daily control rather than occupancy-based or networked control. Actual suitability depends on the connected load, installation conditions, and local electrical code.
Specifications
- Manufacturer part number: ET1105C
- Brand: Intermatic
- Product type: 24-hour electronic time switch
- Switch type: SPST, 1 circuit
- Input voltage: 120-277 VAC, 50/60 Hz
- Current rating: 30A resistive/inductive at 120/240 VAC
- Ballast rating: 20A magnetic ballast, 120-277 VAC; 1A electronic ballast, 120-277 VAC
- Tungsten rating: 5A at 120/240 VAC
- Motor rating: 1 HP at 120 VAC; 2 HP at 240 VAC
- DC rating: 20A resistive at 28 VDC
- Programming capacity: 28 events total, up to 14 ON and 14 OFF per day
- Minimum time setting: 1 minute
- Maximum interval: 23 hr 59 min
- Enclosure: Type 1 indoor steel
- Features: automatic daylight saving time adjustment, manual override, battery-backed clock
- Approximate dimensions: 5.125 in x 7.875 in x 3.0 in (130 x 201 x 76 mm)
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.
