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Smart Combiner Box Product Brief - Synapse Wireless

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<strong>Smart</strong> <strong>Combiner</strong> <strong>Box</strong><br />

with the ARC Fault Solution<br />

<strong>Smart</strong> Just Got <strong>Smart</strong>er<br />

The face of solar technology is being<br />

changed by <strong>Synapse</strong> <strong>Wireless</strong> and Shoals<br />

Technologies Group with the release of<br />

an ARC Fault solution integrated within<br />

Shoals’ wireless <strong>Smart</strong> <strong>Combiner</strong> box<br />

solutions. This ARC Fault solution meets<br />

NEW 690.11 and UL1699B standards<br />

specific to PV ARC Fault detection and<br />

disconnection. <strong>Wireless</strong> sensors detect<br />

faults on a per string basis to interrupt or<br />

disable problematic connections before<br />

they pose a safety risk.<br />

The <strong>Smart</strong> <strong>Combiner</strong> <strong>Box</strong> prevents the<br />

preventable by disabling or disconnecting<br />

system components within the arcing<br />

circuit or charge controllers connected to<br />

the fault circuit. Its advanced integration<br />

features:<br />

• An ARC Fault Detector Board, <strong>Wireless</strong><br />

Controller, 1200VDC input 24V output<br />

power supply and wireless gateway with<br />

MODBUS TCP interface<br />

• A scalable design to accommodate 8, 12,<br />

16, 20, 24, and 32 string solutions<br />

• Unsurpassed, innovative technology<br />

Harnessing Your Potential<br />

<strong>Wireless</strong> Technology to<br />

Control & Monitor<br />

Anything from Anywhere TM


<strong>Smart</strong><br />

<strong>Combiner</strong><br />

<strong>Box</strong><br />

How it works:<br />

Up to<br />

16<br />

strings<br />

1<br />

ARC Fault<br />

Detection<br />

24V Power<br />

Supply Board<br />

2<br />

3<br />

String<br />

Monitoring<br />

<strong>Wireless</strong><br />

Controller<br />

Shunt-trip<br />

Disconnect<br />

Up to<br />

16<br />

strings<br />

ARC Fault<br />

Detection<br />

String<br />

Monitoring<br />

1<br />

ARC Fault Detector Board:<br />

24V Power Supply Board:<br />

1 2 3<br />

<strong>Wireless</strong> Controller:<br />

• Compliant with NEC 690.11 and<br />

UL1699B Standards<br />

• Maximum NEC de-rated DC string<br />

current of 30 amps<br />

• Detects series fault arcs<br />

• Detects arcing events and initiates<br />

combiner disconnect within 2 seconds<br />

• Detects arcing events on a per string<br />

basis and has an external fault indicator<br />

• I2C interface capable of communicating<br />

status to off-board controller<br />

• LED status indicating Fault<br />

• Designed to operate in the presence of<br />

electronic noise due to switching power<br />

electronics<br />

• Powered by 24VDC input voltage<br />

• Accepts string voltage ranging from<br />

80VDC to 1200VDC<br />

• Single shunt trip disconnect output<br />

24V @ 250mA<br />

• Compatible with <strong>Synapse</strong> String<br />

Monitoring Solutions as well as most<br />

existing monitors<br />

• Manual reset/re-connect<br />

• Optional support for RS-485 physical<br />

connection (future)<br />

• Board size maximum envelope:<br />

3.4” x 13.1”<br />

• Input voltage range from 80VDC to<br />

1200VDC<br />

• Maximum surge voltage without<br />

damage is 2000V<br />

• Output voltage: 24V +/- 10%<br />

• Continuous output current:<br />

2.5A (60W)<br />

• Inrush current limit and<br />

protection cutoff<br />

• Fused protection on input voltage<br />

• Board size maximum envelope:<br />

8” x 4.6”<br />

The overall solution<br />

will meet the following<br />

environmental<br />

requirements:<br />

Operational temperature from<br />

-40˚C to +85˚C<br />

95% humidity,<br />

no condensation<br />

2500 Volt isolation<br />

• Input voltage range of 9VDC to 24VDC,<br />

supplied via connector<br />

• Dual shunt trip disconnect output:<br />

24VDC @ 250mA (In-rush 1.5A)<br />

• Optional remote temperature sensor (2-wire)<br />

• On-board temperature sensor<br />

• LED indicators for:<br />

(some functions may be combined)<br />

• Power On<br />

• Sensor Control board 1 active<br />

• Sensor Control board 2 active<br />

• ARC Fault Detector board 1 active<br />

• ARC Fault Detector board 2 active<br />

• Processor(s) operating properly<br />

• Radio transmitting packets<br />

• Brownout protection with Power on Reset and<br />

nonCPU watchdog system monitor<br />

• Compatible with existing string level monitoring<br />

• External connection for future software upgrades<br />

• Over the Air (OTA) software upgradeable<br />

• Optional support for RS-485 physical connection<br />

(future)<br />

• Optional Temperature/Humidity Sensor<br />

• 2 external digital inputs (future)<br />

• External analog input 0-30V capable (future)<br />

• I2C expansion interface<br />

• String Monitoring is accomplished by the Sensor<br />

Control Board<br />

• Designed to operate in the presence of electronic<br />

noise due to switching power electronics<br />

• Reset button for warm restart on board<br />

• Board size maximum envelope: 6” x 4”<br />

Harnessing Your Potential<br />

<strong>Wireless</strong> Technology to<br />

Control & Monitor<br />

Anything from Anywhere TM

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