Mid Circuit Interrupter Specifications (P/N MCI-2) PV Rapid Shutdown Equipment (PVRSE)

Electrical Specifications

Nominal Input DC Current (IMP) 13 A
Maximum Input Short Circuit Current (ISC) 17 A
Maximum System Voltage (PVHCS) 1000 V DC1

1Maximum System Voltage is limited by Powerwall 3 to 600 V DC.

RSD Module Interface

Maximum MCI per String 5
Control Power Line Excitation
Passive State Normally open
Maximum Power Consumption 7 W

Compliance Information

Certifications UL 1741 PVRSE, UL 3741, PVRSA (Photovoltaic Rapid Shutdown Array)
RSD Initiation Method External System Shutdown Switch or On/Off Enable switch located on Powerwall 3, when labeled as Rapid Shutdown Initiator per NEC 690.12 requirements
UL 3741/PVRSA Compatible Equipment UL 3741 Systems using Powerwall 3 and MCI

Environmental Specifications

Ambient Temperature -49°F to 158°F (-45°C to 70°C)
Enclosure Rating NEMA 4X / IP65

Mechanical Specifications

Electrical Connections MC4 or MC4-EVO2 Connector
Housing Plastic
Height 0.9 inches (22 mm)
Width 6.8 inches (173 mm)
Depth 1.8 inches (45 mm)
Weight 0.26 lb (129 g)