CSI: CS1Y-400 MS

Features & attributes:

  • Customer Service
  • If you have any questions, please call Customer Service :

    (818) 678-9699 Ext. 0

  • Office hours are 9am – 5pm, Monday – Friday.

Product Description

Canadian Solar, 400W PV Module, PV Wire, T-4 or MC-4, 35mm Black Frame on Black Back-Sheet, BOB, HiDM5 Mono-PERC, 15A Fuse, 1000VDC, No PTC, 15/25 Warranty, CS1Y-400MS

Canadian Solar, Inc., is committed to providing high-quality solar products, solar system solutions and services to customers around the world. No. 1 module supplier for quality and performance/price ratio in IHS Module Customer Insight Survey. As a leading PV project developer and manufacturer of solar modules with over 30 GW deployed around the world since 2001.


  • Higher Energy Yield - Maximize the light absorption area, module efficiency up to 20.1 %. 37% more system capacity on one rooftop. Up to 19% more power in partial shade.
  • Enhanced Reliability - Low temperature coefficient (Pmax): -0.37 % / °C. Lower internal current, lower hot spot temperature. 15 years product warranty on material and workmanship.
  • Aesthetically Pleasing - Full square cell. No ribbons, and no cell gap. All Black for homogenous appearance

Features & Attributes


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