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SUN-XL20-B

SUN-XL20-B
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SUN-XL20-B

SUN-XL20-B

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Deye SUN-XL20-B concentrator for SUN-XL02-B optimizers<br /><br />
• Required — SUN-XL02-B will not start without this concentrator<br />
• Up to 4 PV strings, rapid shutdown, PLC on existing DC cables<br />
• Forwards optimizer data to Deye inverter and Deye Cloud<br />
• For Deye 1-phase and 3-phase inverters, new or retrofit<br /><br />
Compatible optimizer: Deye SUN-XL02-B

SUN-XL20-B

Artikelbild 0 SUN-XL20-B

The Deye SUN-XL20-B is the concentrator for Deye module-level optimizers SUN-XL02-B. It is the required link between up to four PV strings, the inverter and the Deye Cloud. It aggregates optimizer data, enables rapid shutdown and uses the existing DC cables for PLC — no extra communication wire. SUN-XL02-B will not start without this concentrator.

Key features

Required for XL02-B
The SUN-XL02-B optimizer will not activate without SUN-XL20-B
Up to 4 strings
Central control and monitoring of four PV strings per concentrator
Rapid shutdown
DC voltage is reduced to a safe level for service or emergencies
Live data
Every optimizer reports to the inverter and Deye Cloud
PLC on PV cables
No extra data line — communication uses the existing string wiring
Deye inverters
Single-phase and three-phase Deye hybrids / string inverters

Role in the system

SUN-XL20-B sits between the SUN-XL02-B optimizers and the Deye inverter. It collects per-module MPPT data, forwards it to the inverter and cloud, and triggers rapid shutdown when required. Typical use: roofs with partial shade, mixed orientations, or sites that need module-level transparency and a defined DC shutdown path.

ComponentFunction
SUN-XL02-B optimizer Module-level MPPT, PLC, per-module monitoring
SUN-XL20-B concentrator Activates optimizers, up to 4 strings, rapid shutdown, data gateway
Deye inverter Receives aggregated data; 1-phase or 3-phase
Deye Cloud Remote live view of module and string performance

Typical applications

Homes
Complex roofs: chimneys, dormers, several orientations
C&I
Sites that need module-level monitoring and faster fault finding
Installers
Defined rapid shutdown and a clear commissioning path
Operators
Yield tracking and maintenance without extra comms cabling

Technical specifications

ParameterValue
Deye optimizer concentrator SUN-XL20-B
Model SUN-XL20-B
Compatible optimizer Deye SUN-XL02-B
Strings per concentrator up to 4
Rapid shutdown Yes — DC reduced to a safe level
Data path Optimizer → concentrator → inverter and Deye Cloud
Communication PLC on existing PV cables
Extra data cable Not required
Inverter compatibility Deye single-phase and three-phase
Installation New systems or retrofit
Housing Outdoor-rated, robust enclosure

Benefits

  • Enables the optimizer: SUN-XL02-B needs SUN-XL20-B to run.
  • Safer DC: rapid shutdown cuts string voltage for work on the roof or in an emergency.
  • Full visibility: module data reaches the inverter and Deye Cloud.
  • Faster install: PLC on the PV cables, no extra comms run.
  • Easier service: central aggregation simplifies fault finding.
  • Fits Deye systems: 1-phase and 3-phase inverters, new or existing plants.
Deye SUN-XL20-B · up to 4 strings · rapid shutdown · PLC · required for SUN-XL02-B

No additional variants available.

Technical specifications

ParameterValue
Deye optimizer concentrator SUN-XL20-B
Model SUN-XL20-B
Compatible optimizer Deye SUN-XL02-B
Strings per concentrator up to 4
Rapid shutdown Yes — DC reduced to a safe level
Data path Optimizer → concentrator → inverter and Deye Cloud
Communication PLC on existing PV cables
Extra data cable Not required
Inverter compatibility Deye single-phase and three-phase
Installation New systems or retrofit
Housing Outdoor-rated, robust enclosure
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