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At Circuit Solar, we are committed to providing the highest quality solar products with transparent pricing and availability. As Canada’s largest solar supplier, we maintain a well-stocked inventory of solar components, with most items already imported and unaffected by tariffs.

Tariff Review Process: As of April 1st, all prices on our website automatically reflect any applicable tariffs, ensuring accurate and transparent pricing. While the majority of our products are stocked and unaffected by tariffs, any necessary adjustments are already included in our pricing. Customers will always see the most up-to-date costs upfront.

Vendor Collaboration: We’ve worked with all affected vendors to minimize tariff impacts where possible. Our strong relationships with suppliers allow us to secure inventory and maintain stable pricing for our customers.

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Commitment to Inventory Stability: We have taken proactive measures to secure ample stock, minimizing the impact of tariffs on our customers. Our extensive inventory allows us to continue supplying solar products without disruption.

For any questions regarding tariffs or product availability, please reach out to our support team. Circuit Solar remains dedicated to providing reliable, affordable solar solutions for all your energy needs.

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Morningstar TriStar 45 Amp PWM Charge Controller, a reliable and efficient charge controller for solar energy systems, featuring pulse width modulation (PWM) technology to ensure effective battery charging and long-term system performance.
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Morningstar Corporation

MorningStar – Tristar 45 Amp PWM Charge Controller

Brand: Morningstar Corporation
SKU: TS-45

$334.42

Available Now
Stock Status Disclaimer

Stock statuses are updated on a monthly basis and may not reflect real-time availability. Some products may not display a stock status but are likely still in stock. For the most accurate and up-to-date information, or if a stock status is not shown, please contact us directly for availability.

Here’s a clear and concise bullet point description for the stock statuses:

  • Available Now: The product is in stock and ready for shipping.
  • More Expected: Currently low or out of stock, but additional inventory is on its way.
  • Special Order: The item is not regularly stocked and will be ordered specifically for you, subject to extended lead times.
  • Contact Us for Availability: The item’s stock status is uncertain; reach out to confirm availability before purchasing.

The TriStar™ is a three-function PWM controller for larger systems, providing reliable PWM solar battery charging or load control or diversion regulation. The controller operates in one of these modes at a time and two or more controllers may be used to provide multiple functions. The TriStar uses advanced technology and automated production to provide exciting new features at a competitive cost to regulate battery charging in home systems and professional applications.

Key features and benefits

  • Built for reliability and performance, with an oversized heatsink and overspec’d components. Fully-rated for operation at temperatures up to 45C.
  • More information with LED indicators. Optional meter displays extensive system and controller information in five languages; automatic self-test andreset.
  • Communications capability with RS-232 port, connects to a PC for custom settings, data logging, remote monitoring and control.
  • SNMP monitoring supported when used with Ethernet MeterBus Converter so you can view system current, voltages, and alerts in your network management system.
  • Fully adjustable with DIP switches for seven digital presets. Additionalcustom setting via RS-232.
  • Extensive electronic protection against reverse polarity, short circuits,overcurrent and excessive temperature.
  • Low telecom noise. DIP switch setting will change PWM to “On-Off” battery charging.
  • Fanless design for long-term reliability.

Specifications and Certifications

Model TS-45 TS-60 TS-60M
Charge Rating 45 amps 60 amps 60 amps
Max. PV Open Circuit Voltage (Voc) 125 volts 125 volts 125 volts
Nominal Battery Voltage 12V, 24V, 48V 12V, 24V, 48V 12V, 24V, 48V
Minimum Voltage To Operate 9V 9V 9V
Voltage Accuracy (12V/24V) <=0.1% +/- 50mV <=0.1% +/- 50mV <=0.1% +/- 50mV
Voltage Accuracy (48V) <=0.1% +/- 100mV <=0.1% +/- 100mV <=0.1% +/- 100mV
Operating Temperature Range -40 C to +60C -40 C to +60C -40 C to +60C
Warranty 5 Years 5 Years 5 Years
Built-in meter No No Yes
CE and RoHS compliant Yes Yes Yes
IEC 62109 Yes Yes Yes
ETL Listed [UL-1741 and Canadian CSA C22.2 No.107.1.01] Yes Yes Yes
FCC Class B Part 15 Compliant Yes Yes Yes
Manufactured in a Certified ISO 9001 Facility Yes Yes Yes
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