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Tigo TS4-A-O Optimizer w/ UHD-Core Technology (PV Module Advanced Add-on/Retrofit)

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The TS4-A-O (Optimization) is the advanced add-on optimization solution that brings smart module functionality to standard PV modules for higher reliability. Improve energy efficiency by upgrading underperforming PV systems or adding smart features to new installations. The TS4-A-O with UHD-Core technology and expanded specifications supports PV modules up to 500W. 

The Tigo TAP and CCA are required for the -O optimizers. Tigo External transmitters are required for inverters that do not have a built-in Tigo transmitter.

Tigo 451-00252-32 TS4-A-O Optimizer w/ UHD-Core Technology (PV Module Advanced Add-on/Retrofit) Characteristics:
• Rapid Shutdown UL Listed (NEC 2014 & 2017 690.12)
• 1.2m output cable (length)
• Cloud Connect Advanced (CCA) and TAP (Gateway) required for rapid shutdown with TS4-A-O.

Included Features
• Module-level optimization for increased energy yield and greater design flexibility 
• Enhanced safety for NEC 690.12 rapid shutdown compliance 
• Module-level monitoring for energy production tracking and system management

Easy Installation 
• Snap to standard module frame or remove brackets for rack mounting 

Smart Commissioning
• Configure and commission with your Android or iOS mobile device 


  • Manufacturer: Tigo
  • Model: TS4-A-O 500W
  • Other Vendor Codes: 451-00252-32
  • Rated Power Output [W]: 1
  • Length [mm (in)]: 139.7mm
  • Width [mm (in)]: 138.4mm
  • Depth [mm (in)]: 22.9mm
  • Weight [kg (lb)]: 520g
  • Warranty [Years]: 25

Surge/Lightning Protection



      • CEC weighted efficiency @ 240V [%]: 99.6
      • DC Power Rating [W]: 500
      • Max. Input Voltage [V]: 90
      • Max. Input Current [A]: 12
      • Voltage Lower Limit for MPP Range [V]: 16
      • Voltage Upper Limit for MPP Range [V]: 90
      • DC Disconnection Type: MC4 (standard)
      • NEMA Enclosure Rating: IP68, NEMA 3R
      • Ambient Temperature Range [°C(°F)]: -40°C to +85°C (-40°F to +185°F)
      • Communication: Wireless
      • Basic Warranty [Years]: 25
      • Compliances: 1000V UL / TÜV, 1.2m cable, MC4
      • Max. recommended PV power (@ module STC): 500

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