lunar maximizer ul 1741
Certificate of Compliance
Certificate: 80136899
Master Contract:
302773
Project:
80292698
Date Issued:
2026-03-27
Issued to:
Issued by:
Lunar Energy, Inc
755 Ravendale Drive
Mountain View, California
94043
United States
Gavin Conti
Gavin Conti
Attention: Harshad Joshi
The products listed below are eligible to bear the CSA Mark shown with adjacent
indicators 'C' and 'US' for Canada and US or with adjacent indicator 'US' for US
only or without either indicator for Canada only.
!
PRODUCTS
Class 5311 09 POWER SUPPLIES - Distributed Generation Power Systems Equipment
Class 5311 89 POWER SUPPLIES - Distributed Generation Power Systems Equipment - Certified to U.S. Standards
Maximizer
Model(s)
10-005220, 10-00522D, 10-00522E
Ratings as follows:
| MODELS | 10-005220 |
|---|---|
| Maximum Input Open Circuit Voltage | 60V |
| PV Input operating voltage Range | 20-60V |
| Max input current(dc) | 16A |
| Max input short circuit current | 20A |
| Output voltage(dc)* | 20-60V |
| Max continuous output current(dc) | 16A |
| Max Continues DC input power@20Vdc to 48Vdc | 420W |
| Max Continues DC input power@>48Vdc to 54Vdc | 210W |
| Max continuous output power(dc) | 420W |
| Normal operation temp range | -40℃to+85℃ |
| Maximum System String Operating Voltage | 450 VDC |
| Outdoor Enclosure | Type 4X(Fully Potted)and IP 68(24Hours) |
| Maximum Quantity of strings | 3 |
| Minimum -Maximum Maximizers per series | 8-24 |
| Altitude | 3000M |
| MODELS | 10-00522D, 10-00522E |
|---|---|
| Maximum Input Open Circuit Voltage | 75V |
| PV Input operating voltage Range | 20-60V |
| Max input current(dc) | 16A |
| Max input short circuit current | 20A |
| Output voltage(dc)* | 20-60V |
| Max continuous output current(dc) | 16A |
| Max Continues DC input power@20Vdc to48Vdc | 650W |
| Max Continues DC input power@>48Vdc to54Vdc | 650W |
| Max continuous output power(dc) | 650W |
| Normal operation temp range | -40℃to+85℃ |
| Maximum System String Operating Voltage | 450 VDC |
| Outdoor Enclosure | Type 4X(Fully Potted) and IP 68(24Hours) |
| Min and Max number of Maximizer per series String | 8-24 |
| Maximum Quantity of Parallel Strings | 3 Strings |
| Altitude | 3000M |
Notes:
Models are certified as a component to be used in conjunction with a certified/listed photovoltaic module where the suitability is to be evaluated in the end application. !
Evaluated to a maximum of 16 A max. input per Maximizer.
APPLICABLE REQUIREMENTS
| Standards Used | Description |
|---|---|
| UL 1741:2021-Third Edition-Including revisions through October 23,2024 | UL Standard for Safety Inverters,Converters,Controllers and Interconnection System Equipment for Use With Distributed Energy Resources |
| CSA C22.2 No.107.1:16(Fourth Edition)(R2021) | Power conversion equipment |
Conditions Of Acceptability
Lunar shall follow the approved manufacturer’s recommended potting compound mixing instructions and processes including handling and storage and compound shelf life.
Radiate immunity and surge tests are to be evaluated in the end system.
Hardware abnormal testing and software were defeated on current limit in place of Firmware evaluation.
Mounting means was tested with MLPE Frame attachment which was certified to UL2703 (UL file E359313).
Any power connector mated with a socket or connector attached to this product must be from the same manufacturer, the same series, and have a matching part number.
Associated Rapid shut down and immunity tests to be evaluated in the system with the Lunar Inverter System.
Certificate: 80136899
Master Contract: 302773
Project: 80292698
Date Issued: 2026-03-27
Notes:
Products certified under Class(es) C531109, C531189 have been certified under CSA’s ISO/IEC 17065 accreditation with the Standards Council of Canada (SCC). www.scc.ca
Supplement to Certificate of Compliance
Certificate: 80136899
Master Contract: 302773
The products listed, including the latest revision described below,
are eligible to be marked in accordance with the referenced Certificate.
Product Certification History
| Project | Date | Description |
|---|---|---|
| 80292698 | 2026-03-27 | Update Lunar Maximizer Report 80136899(80270744)to include Maximizer1.3 mechanical changes to upgrade to TypeEEnclosureas described inImpactAnalysisIA_MAX_0001_03-02-2026(Model number change from10-00522Dto10-00522E)UpdateCCLperproject80251319,andaddalternateCapacitorstocCL |
| 80270744 | 2025-09-22 | Update toMaximizerReport80136899(80251319)to correctInputOpenCircuitVoltagefrom66VDCto75VDC |
| 80251319 | 2025-06-24 | UpdateReport80136899toincludealternateconstructionandratingchangesasdescribedinImpactanalysisIA_MAX_0000_03-20-2025andCSA'sfeedback. |
| 80136899 | 2024-03-29 | To performaModelCertificationonLunarEnergy'sPVOptimizer.C/US |