Larson Astronomic Timer - 4,000 Events - 120-277V AC 50/60 Hz - (2) Circuits - SPDT Switch - Type 3R
Larson Astronomic Timer - 4,000 Events - 120-277V AC 50/60 Hz - (2) Circuits - SPDT Switch - Type 3R
Sold by: Larson Electronics
The Larson Electronics IND-AT-120.277-2CT-SPDT-4KE-N3R Astronomic Timer is designed for accurate and automated activation/deactivation of connected equipment in industrial buildings. The 2-circuit energy control system operates with 120-277V AC 50/60 Hz. Up to 4,000 setpoints and events can be scheduled on the unit. A supercapacitor supports the device when power is unavailable, providing backup for the system (no recharging, service or replacement needed). The electronic timer is protected by a Type 3R enclosure.
The IND-AT-120.277-2CT-SPDT-4KE-N3R is a reliable timer for automated controls of alarms, pumps and lighting systems. Compatible with 120-277V AC 50/60 Hz, this astromical timer features a maximum panel output of 350 amps. The 2-circuit unit is equipped with an SPDT switch and facilitates a maximum of 4,000 setpoints. Featuring 30-amp rated contacts, system firmware is upgradable via USB or Ethernet connection. The USB port can also be used for programming and backup. Non-volatile memory ensures data and settings are preserved at all times. For backup, this energy control timer features a supercapacitor. The component automatically recharges and does not need servicing or replacement. When properly activated, date and times are accurately maintained for up to 100 hours during power outage.
Astronomic programming is available, allowing the use of sunset/On and sunrise/Off configurations without a separate control device. For contactor and bell ringing applications, the unit comes with adjustable pulse features (1-second increments, from 1 second to 24 hours). This timer offers automatic daylight savings time adjustment, which reduces timing errors. A navigational keypad can be found on the panel for quick configurations (also used for temporary/permanent manual override).
The digital timer is protected by a Type 3R steel enclosure. During its lifespan, the unit offers more than 100,000 cycles.
Wiring/Mounting:
This time-keeping device features terminals for secure connections (#20 - #6 AWG). An Ethernet cable is included with this unit. The IND-AT-120.277-2CT-SPDT-4KE-N3R can be mounted on walls or flat surfaces via mounting screws and anchors/brackets (not included). Operators are provided access to 1/2", 3/4" and 1" knockouts at the bottom, left and right sections of the enclosure.
Applications:
Lighting controls, timer functions, digital timer, energy management, automation, activation/deactivation, alarms, heating/cooling systems, pumps, motors, school, government buildings, industrial operations, commercial sites and more.
Contact info@purilite.ca for more information about our custom options tailored to meet your specific industry needs.
Specifications
Unit Type: Astronomic Energy Control With Ethernet
Dimensions: 5.7" x 3.6" x 9.6"
Weight: 20.2 lbs
Voltage: 120-277V AC 50/60 Hz
Maximum Panel Output: 350A
Circuits: 2
Switch Type: SPDT
Amp Rating (Contacts): 30A
Switch Ratings: General Purpose and Resistive: 30A (NO Only) @ 12-240V AC; General Purpose and Resistive: 20A (NO), 10A (NC) @ 12-240V AC; General Purpose and Resistive: 20A (NO), 10A (NC) @ 28V DC; Ballast: 20A (NO), 3A (NC) @ 120-277V AC; Tungsten: 5A (NO Only) @ 12-240V AC; Motor: 1 HP (NO); ¼ HP (NC) @ 120V AC; Motor: 2 HP (NO); ½ HP (NC) @ 240V AC; Pilot Duty: 470VA (NO), 275VA (NC) @ 12-240V AC
Setpoints: 4,000 Maximum
Pulse Duration Settings: 1-second Increments (1 Second to 24 hours)
Supercapacitor Backup: Up to 100 Hrs w/o Power (Date/Time) - Automatic Recharge
Minimum On/Off Time: 1 Second
Maximum On/Off Time: 365 Days
Operating Cycles: 100,000
Operating Temp: -40°F to 120°F (-40°C to 50°C)
Materials: Steel
Mount: Surface/Wall
Wiring Terminals: #20 - #6 AWG Wire
Port: USB
Hubs: 1/2" and 3/4" @ (6) Bottom, (1) Left, (1) Right; 3/4" and 1" @ (4) Bottom, (1) Left, (1) Right
Shipping and delivery Information
Shipping and delivery Information
Estimated delivery times range from same day to 2 weeks, depending on your location, the product ordered and stock availability. External factors such as courier network disruptions can also impact delivery timelines. PuriLite strives to ship your purchase in the shortest possible time using industry standard courier services.
For any questions related to shipping and delivery, please call +1-647-254-9757, email us at info@purilite.ca or chat with us by clicking on the chat icon at the bottom right of this page.
The PuriLite Peace of Mind 30-day money back guarantee
The PuriLite Peace of Mind 30-day money back guarantee
Enjoy our peace of mind 30-day money back guarantee on all products. If you are not satisfied with any of our products, your item is eligible for return within 30 days of purchase, subject to the terms & conditions below.
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Sustainability & Ethical Sourcing
Sustainability & Ethical Sourcing
At PuriLite, we believe innovation should go hand-in-hand with responsibility. That’s why we’re committed to creating products that not only perform well but are also thoughtfully made with the planet and people in mind.
♻️ Sustainable Practices
- We prioritize durable materials that extend the product life cycle and reduce waste.
- Where possible, our packaging is made from recyclable or minimal-waste materials, helping to reduce environmental impact.
- Many of our electronic products are designed with energy efficiency in mind to minimize power consumption.
🤝 Ethical Sourcing
- We partner with manufacturers who fillow fair labor practices, ensuring safe working conditions and fair wages for their workers.
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- We avoid the use of materials from conflict zones and work to reduce the environmental footprint across our supply chain.
🌍 Our Ongoing Commitment
We're actively exploring new ways to improve—from using eco-certified components to optimizing our logistics for a lower carbon footprint. Every small step counts, and we’re committed to doing our part in building a more sustainable future.
