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UL 1741 (Maximizer Hub)

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Written by Ollie Wells

Certificate of Compliance

Certificate: 80143537 Master Contract: 302773

Project: 80143537 Date Issued: 2024-04-02

Issued To: Lunar Energy | 755 Ravendale Drive, Mountain View, California, 94043 | Attention: Jason Haer

PRODUCTS

CLASS 5311 09 / 5311 89 – POWER SUPPLIES, Distributed Generation Power Systems Equipment

PV Combiner Box with Wireless Communication Device

Model: Lunar Maximizer Hub

Electrical Ratings

Maximum Rated Operating Voltage: 450V DC | Rated Maximum Current Per Terminal: 40A DC | Max input current (dc) per PV String: 16A | Rated No. of Terminal: 3 Positive, 3 Negative, 1 Ground | Maximum Ambient: -40° to 85°C | Enclosure: Polymeric, NEMA Type 3R | Maximum SCCR: 50A | Maximum Overcurrent Protection: 16A per feed (50A breaker at ESS)

Conditions of Acceptability

  1. The Maximizer Hub shall be installed only with Lunar Maximizers and Lunar Inverters.

  2. Total output current shall not exceed 50A (dc) Max.

  3. Up to a maximum of 3 strings can be connected to a single Maximizer Hub.

  4. To be used only with Lunar Maximizer and Inverter listed under 80136899 and 80121274 respectively.

  5. Watertight compression connector and water resistance gland must be used for conduit connection.

APPLICABLE REQUIREMENTS

CSA C22.2 No. 290:19 (R2021) - Photovoltaic Combiners and Recombiners | CSA C22.2 No. 107.1: 2016 - Power conversion equipment | UL 1741 - Third Edition, Revision Dated May 19, 2023 | UL 1741 CRD - PV Input Circuit Combiners

Product Certification History

80143537 (2024-04-02): Model Certification for Lunar's Combiner box evaluation (C/US).

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