Features & Benefits
- Features astronomic programming
- Works with LED, CFL, and incandescent lighting
- No neutral wire required
- Ideal for retrofits and remodels
- Can be used in single and 3-way applications
- Large display screen
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- Intermatic ST01K Astronomic Digital In-Wall Timer
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The ST01K self adjusting wall switch timer features astronomic programming that keeps track of the daily sunrise/sunset changes and automatic daylight saving time adjustment. It can be used with LED, CFL and incandescent lighting and doesn't require a neutral wire, making it perfect for retrofits and remodels.
Item #:
40935453
Intermatic ST01K Astronomic Digital In-Wall Timer
Item #:
40935453
XCD 185
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Friday, August 28
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The ST01K self adjusting wall switch timer features astronomic programming that keeps track of the daily sunrise/sunset changes and automatic daylight saving time adjustment. It can be used with LED, CFL and incandescent lighting and doesn't require a neutral wire, making it perfect for retrofits and remodels.
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What Stands Out
Astronomic Functionality
Automatically adjusts to sunrise and sunset times, enhancing convenience for outdoor lighting, ensuring your home is illuminated precisely when needed.
User-Friendly Design
Intuitive interface with easy programming options makes setup straightforward, allowing users to effortlessly customize schedules for various appliances and devices.
Energy Savings
By automating lighting schedules, this timer helps reduce energy consumption, leading to lower utility bills while promoting eco-friendly living.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 0.39 lbs (180 grams) |
| What is in the box | Intermatic ST01K Astronomic Digital... For more details, please check description/product details |
Who Should Buy?
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Homeowners
Ideal for homeowners wanting to automate lighting for energy savings and improved security while away from home.
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Business Owners
Perfect for business settings to schedule outdoor lights, enhancing safety and reducing costs during non-operational hours.
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Tech Enthusiasts
Great for tech-savvy users who appreciate programmable features and want to integrate it into smart home systems.
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Non-Tech Users
Individuals uncomfortable with digital devices may struggle with programming and managing the timer's features effectively.
Product Description
Intermatic ST01K Astronomic Digital In-Wall Timer
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the main function of the Intermatic ST01K Astronomic Digital In-Wall Timer?
Answer: The Intermatic ST01K is designed to automate lighting and other electrical devices based on the time of day or sunset and sunrise times. This timer allows for flexible scheduling and can keep your home well-lit or devices running efficiently without manual intervention. It’s particularly useful for indoor and outdoor lighting, making it ideal for security purposes, especially when you're away. For instance, you can set outdoor lights to turn on at sunset and off at sunrise, enhancing your home security. -
Question:
How does the astronomic feature work?
Answer: The astronomic feature of the Intermatic ST01K automatically adjusts the on/off times of your connected devices based on sunset and sunrise times for your specific location. This means your lights will turn on and off at the optimal times throughout the year, accommodating for seasonal changes. This functionality is particularly advantageous for homeowners seeking energy efficiency and security, as it ensures your lighting mimics natural daylight patterns. -
Question:
Can I program multiple on/off cycles with the Intermatic ST01K?
Answer: Yes, the Intermatic ST01K allows users to program multiple on/off cycles for each day of the week. You can create distinct schedules based on your weekly routine or special occasions. For example, you might program your outdoor lights to come on earlier during the weekends when you’re home and later on weekdays. This flexibility supports a personalized automation experience, making your home more convenient. -
Question:
Is the timer suitable for outdoor use?
Answer: While the Intermatic ST01K is designed primarily for in-wall installation, it can control outdoor lighting when used appropriately within a weather-proof junction box. The device is built to withstand typical indoor use, making it effective for controlling outdoor lights as part of a home’s electrical system. For outdoor lighting applications, ensure all components are properly weather-protected to avoid damage. -
Question:
What types of devices can the Intermatic ST01K control?
Answer: The Intermatic ST01K can control a variety of electrical devices, including incandescent, fluorescent, and LED lights, as well as small appliances. The versatile nature of the timer allows it to be used with porch lights, indoor lighting, and even decorations during festive seasons. It provides an efficient way to manage energy consumption by ensuring devices are only powered when needed. -
Question:
How do I set up the Intermatic ST01K?
Answer: Setup of the Intermatic ST01K involves wiring the timer to your electrical system and programming the desired schedule through its user-friendly interface. Installation typically requires basic electrical knowledge, so you may want to hire a professional if necessary. Once installed, you can follow the manual’s step-by-step programming guide to customize your lighting schedules based on your lifestyle, ensuring optimal usage. -
Question:
Can I override the programmed settings if needed?
Answer: Yes, the Intermatic ST01K provides a manual override feature that allows you to bypass programmed settings whenever necessary. This function is incredibly useful during unexpected events, like entertaining guests or unexpected delays outside. Simply press the override button to turn the connected device on or off manually, giving you complete control over your environment. -
Question:
Is the timer compatible with smart home systems?
Answer: The Intermatic ST01K is not inherently designed for direct compatibility with smart home systems; it operates as a standalone timer. However, you can combine it with smart home hubs that integrate traditional timers into a larger smart ecosystem. For example, you can use a smart plug connected to the timer for more advanced control features, enabling app-based scheduling and monitoring. -
Question:
Does the Intermatic ST01K have a battery backup feature?
Answer: The Intermatic ST01K relies on mains power and does not have a battery backup feature. This means it will lose its settings during a power outage and will need to be reconfigured afterward. It is advisable to periodically check and reset your timer if you experience outages to ensure your lighting schedules remain correct. -
Question:
Where can I buy the Intermatic ST01K Astronomic Digital In-Wall Timer?
Answer: You can buy the Intermatic ST01K Astronomic Digital In-Wall Timer at Ubuy in Antigua and Barbuda. Ubuy offers a variety of home automation products, ensuring you get the official and latest version of this timer to enhance your home lighting system.
Intermatic Timers Editorial Review
The Intermatic IW505K 15-Amp Digital In-Wall Timer is a high-quality product that keeps your home safe and secure. The timer is easy to install and operate. It has the ability to control your lights on a set schedule or automatically adjust to dawn and dusk times, and also comes with a manual override feature. The timer is also equipped with a battery backup and continuously adjusts for Daylight Savings Time. The only downside mentioned by some users is that programming can be a little difficult.
Customer Reviews & Ratings
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Pros
- Can be used for both incandescent and LED bulbs
- Automatic adjustment for Daylight Savings Time
- Manual override feature
- Ability to control up to 1 HP @ 120V
- Comes with a battery backup
Cons
- Programming can be difficult
Platform Trust & Buyer Confidence
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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