lunar system specifications gen 1

Lunar System

Specifications

2025-10-06


Lunar Battery

System 15kWh20kWh
Model Number LE-ESS-15KWH
Rated Energy 15kWh
Max Load Start Capability 134LRA1
Solar Configuration DC-Coupled and AC-Coupled
Warranty 12.5 Years 56MWh AC throughput
Customer Interface Customer App, Installer App, Fleet Web Portal, APIs, LED
Operating Modes Lunar AI, Solar Self-Consumption, Time-of-use, Backup
Advanced Software Features Weather Watch, VPP enabled, load control
Communication Wi-Fi(2.4GHz), 4G/LTE(CATM1), Ethernet
Inverter Block 15kWh20kWh
Model Number 10-005025
Nominal Voltage 120/240 Vac Split Phase
Output Voltage Range 210Vac-264Vac
Grid Frequency 60Hz
Max Continuous AC Power 9.6kW full sun 7.2kW no sun
Peak AC Power, off-grid 15kW for 5s
Max Continuous AC Current 40A
Overcurrent Protection Device 50A Breaker
Operating Input Voltage 380-450Vdc
Max DC Input Current 37.5A(PV), 30A(battery)
Max PV Input Power 15kWdc
Total Harmonic Distortion <5%
Power Factor 0.85 lagging to 0.85 leading
PV Rapid Shutdown Switch and System Disconnect Yes, lockable
CEC Solar to Home/Grid Efficiency 95.5%

Battery Block

Model Number 10-005203 or 10-06532A
Rated Energy 5kWh
Operating Voltage Range 190Vdc-225Vdc
Max Continuous Charge Power 1.67kW
Max Continuous Discharge Power 2.5kW (on grid and off-grid)
Peak Discharge Power, off-grid 3.75kW (5s)
Chemistry Lithium-ion (NMC)

1 Subject to base load and SOC at time of motor start.

2 Performance may be de-rated at operating temperatures below 0°C (32°F) or greater than 45°C (113°F).

Environmental

Ingress Rating ESS: NEMA 3R, Inverter Block: NEMA 3R, Battery Block: NEMA 3R, IP68
Operating Temperature -4°F to 122°F (-20°C to 50°C)²
Storage Conditions Absolute Limits: -4°F to 140°F (-20°C to 60°C) < 95%RH 1 month: -4°F to 113°F (-20°C to 45°C) < 60%RH 2 months: 32°F to 95°F (0°C to 35°C) < 60%RH Up to 24 months: 65°F to 82°F (18°C to 28°C) < 60%RH
Altitude Up to 9843 ft (3000m)
Mechanical 15kWh 20kWh
Dimensions (LxWxD) Inverter Block: 10.6”x24.4”x13.5” (270x619x344mm)
Dimensions (LxWxD) Battery Block: 10.6”x24.4”x13.5” (270x619x344mm)
Dimensions (LxWxD) System: 45.5”x24.4”x13.5” (1156x619x344mm) System: 56.1”x24.4”x13.5” (1425x619x344mm)
Mass Inverter Block: 42lb (19kg)
Battery Block: 95lb (43kg)
System: 391lb (177kg) total assembly + brackets Mass System: 499lb (226kg) total assembly + brackets
Mounting Wall or floor mount

Compliance

Certifications Inverter Block: UL 1741, UL 1741 SB, UL 1699B, CSA C22.2.No.107.1, Battery Block: CAN/UL 1973, UN 38.3, System: CAN/UL 9540, UL 9450A (indoor and outdoor), UL 1741 CRD PCS, UL 3141 (Issue 1)
Grid Connection IEEE 1547.1-2020, IEEE 1547.1-2018, SunSpec IEEE 2030.5/CSIP, CA Rule 21
Emissions FCC Part 15 Class B
Seismic IEEE 693 (High)

Lunar Bridge

Lunar Bridge is a Microgrid Interconnection Device that automatically detects outages and seamlessly transitions between grid and island. It supports all home circuits with a service entrance rated load center.

System

Model Number 90-06801A
Current Rating 200 A
Busbar Rating 200 A
Off-Grid Switchover Time <0.03s
Overcurrent Protection Device Up to 200 A
Number of Panelboard Spaces 20 Spaces/40 Circuits
AC Meter Integral: +/-0.2%, External (Rogowski Coil): +/-5%
Warranty 12.5 Years

Environmental

Operating Temperature -40°F to 140°F (-40°C to 60°C)
Ingress Rating NEMA 3R

Mechanical

Dimension (LxWxD) 26.7”x14.1”x9” (677x358x228mm)
Mass 44lbs (20kg)
Mounting Wall or semi-flush mount

Compliance

Certifications UL 1741, UL 67, UL 869A
Emissions FCC Part 15 Class B

Lunar Maximizer

The Lunar Maximizer is a DC-to-DC charge controller that connects to individual solar panels. It optimizes solar output via tracking the maximum power point, with real-time monitoring and rapid shutdown capability.

System

Model Number 10-00522D
Rated Input DC Power 650W
Maximum Input Open Circuit Voltage (Voc) 75Vdc3
MPPT Operating Voltage 20Vdc-60Vdc
Maximum Input Short Circuit Current (Isc) 20A
Maximum Output Current 16A
PV String Length 9-24 Modules
Parallel Strings of Different Lengths or Orientations 3 Strings
Warranty 25 Years

Compliance Environmental

Environmental

Operating Temperature -40°F to 185°F (-40°C to 85°C)
Ingress Rating NEMA 4X, IP68

3 A PV module is compatible if its nameplate specification, adjusted for site-specific cold temperature, is less than the Maximizer input rating.

Mechanical

Dimension (LxWxD) 6.9”x6.7”x1.7” (176x169x43mm)
Mass 2lb (936g)
Mounting Rack or panel mount
PV Connector Staubli MC4

Compliance

Certifications UL 1741, CSA C22.2.107
Emissions FCC Part 15 Class B

Lunar Maximizer Hub

The Lunar Maximizer Hub is a junction box that combines PV strings and ensures reliable, instantaneous coordination between Lunar Maximizers and the inverter.

System

Part Number 90-004034
Operating Voltage 25-450Vdc
DC Inputs 3 DC PV strings (3+ & 3-wire terminals + 1 ground terminal)
Maximum Current Per Terminal 50A
Terminal Wire Size Range 8AWG-20AWG (Red/Black) 6AWG-16AWG (Ground)
Internal Communications Mesh Wi-Fi to Maximizers, PLC to Inverter
Warranty 25 Years

Environmental

Operating Temperature -40°F to 185°F (-40°C to 85°C)
Ingress Rating NEMA 3R

Mechanical

Dimension (LxWxD) 11”x12”x4” (280×305×102mm)
Mass 2.3lbs (1050g)
Mounting Rail mounting or comp shingle flashing

Compliance

Certifications UL 1741, CAN/CSA C22.2 No.107.1, CSA C22.2 No.290.

Rogowski Coil CT

Rogowski Coils are flexible, air-core sensors that provide accurate, non-intrusive AC current measurements. These current transformers (CTs) seamlessly transmit telemetry to the Lunar System to enable partial home backup monitoring.

Specifications

Magnelab Part Number RCT-180L-Coil
Rated Primary Current Up to 5000 Amp
Accuracy 0.5 Class per IEC 61869-2 Accuracy from 100 Amps to 15,000 Amps
Phase Displacement <0.5°
Power Supply 9-36 VDC required (Not included)
UL Max Voltage 600V on bare conductor BIL10kV
RMS Voltage 10,000V for AC insulation Test (1min)
Rated Frequency 30-1,000Hz
Minimum Impedance 75kOhms

Environmental

UL Rated Ambient 55℃
Operating Temperature -15℃ to 65℃
Storage Temperature -45℃ to 80℃
UL Relative Humidity Rating 85%

Mechanical

Coil Diameter 6.0”
Insulated Leads Length: 8ft, 24AWG gray cable Rating: 600V
Mass 0.40lbs (0.18kg)

Compliance

Certifications UL 2808, CAN.CSA C22.2 No.61010-1-12, IP64

ConnectDER

Lunar and ConnectDER make installations faster and simpler. Using ConnectDER’s IslandDER™ Meter Socket Adapter together with the Lunar Meter Socket Adapter Controller, installers can integrate the Lunar System quickly and efficiently.

System

Part Number V-1-A-64
Voltage 208V, 240V
Maximum Continuous Current 200A
Short Circuit Rating 22k AIC
Power 12V DC bus to/from Lunar MSAC, Max 5W power supply available to 3rd party system from grid side of MID (load side of meter)
Current Sensing ANSI 0.2 Accuracy Class CTs for Revenue Grade Sensing, Additional line and load side (of MID) Rogowski Coils at <5% accuracy
Voltage Sensing Line and Load side (of MID) -0.4% Accuracy at Ambient, 1% Across Temperature Range
MID Control Discrete open/close signals with 1ms input noise rejection, Actuation time <15 ms
MID Rated Cycles 10,000
Warranty 12 years

Environmental

Mechanical

Ingress Rating NEMA 3R
Enclosure Type UL945VA flame rating
Ambient Operating Temperature -22F to 149F (-30℃ to 65℃)
Dimension (LxWxD) 7.8"×6.7"×4.9"(198×170×124mm) With pluggable Connection Module
Mass 5.55 lbs./2.52kg With Connection Module and 6 ft analog cable
Mounting Blade interface with 4-jaw or 5-jaw meter socket
Electric Meter Compatibility Type 2S, and 12S
Meter Socket Compatibility Ringless, Ring-type, Lever, Horn Bypass
Manual MID Override Externally Accessible Switch, Protected by (Dry Contact) Interlocked Tool-Access Cover
Thermal Management Passive Cooling, Heat Sinks
Cable Connection Factory-Wired Pluggable Connection, Weathertight, Reversible at Top of MSA, Pre-attached connector to Lunar MSAC

Compliance

Certifications UL 414 SA, SB, SC-Meter Sockets, UL 1741/3141/9741 system ready
Emissions FCC CFR Part 15 Class B, ANSI C12/IEC 61000
ETL File Number 5028888

4 V-1-A-# (# denotes length up to 25 ft.) 6 ft. cable is standard length.

Lunar Meter Socket Adapter Controller (MSAC)

System

Model Number LE-MSAC-01
MSAC Connection Voltage 12VDC
MSAC Connection Rating 0.35A
Inverter Connection Voltage 13VDC
Warranty 12.5 years

Environmental

Operating Temperature -40°F(-40°C) to 140°F(60°C)
Storage Temperature -40°F(-40°C) to 140°F(60°C)
Environment Indoor and outdoor
Ingress Rating Type 3R
Humidity 100%
Maximum Elevation 9,843 ft (3000m)

Mechanical

Dimension (LxWxD) 11.9in×7.02in×2.99in(303×178.4×76mm)
Mass 2.2lb (1kg)
Mounting Wall

Compliance

Certifications UL 1741, UL CSA 61010-1, UL CSA 61010-02-30
Emissions FCC Part 15 Class B

Lunar Partner

The Lunar System, when paired with Eaton AbleEdge smart breakers, delivers a flexible and cost-effective way to extend backup power and integrate existing PV inverters.

System

Current rating 15/20/30/40/50/60A4
Breaker type BRS plug-on style
Metering Revenue Grade Metering (±0.5%)
Ground Fault Circuit Protection (GFCI) Yes
Max # of smart breakers per Lunar System 8
Compatible Panels Lunar Bridge and any Eaton BR-style residential panels
Compatible PV inverters All CEC-listed solar inverters
Maximum Non-Lunar AC PV in backup 11.5kW ac combined
Maximum Distance from Lunar Bridge/MSA Controller Free air: 75ft (23m), Through 1 wall (wood/drywall): 30ft (9m), Through 1 wall (concrete/brick): 10ft (3m)
Commissioning Lunar Installer App
Warranty 10 years mechanical, 3 years electronics

4 40/50/60A available today. Contact Lunar for 15/20/30A availability.

Environmental

Ambient operating temperature -30℃ to +40℃
Humidity 0% to 90%, noncondensing

Mechanical

Footprint 2-pole: Takes 2 spaces in a load center

Compliance

Certifications UL 943; CSA C22.2 No.144.1-16, UL 486A-486B, CSA C22.2 No.65, UL 489, CSA C22.2 No.144.1, UL 1998, CSA C22.2 No.0.8, UL 60730-1, FCC Part 15, ICES-003

System Layout

Lunar System with Service Disconnect at Lunar Bridge
Lunar System with Service Disconnect at Utility Meter
Lunar System with MSA and MSA Controller


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