Mid Circuit Interrupter Specifications (P/N MCI-1) PV Rapid Shutdown Equipment (PVRSE)

Electrical Specifications

Nominal Input DC Current (IMP) 13 A
Maximum Input Short Circuit Current (ISC) 19 A
Maximum System Voltage 600 V DC
Maximum Disconnect Voltage 600 V DC1

1Maximum Disconnect Voltage is the maximum voltage allowed across each MCI in the open position (Rapid Shutdown Initiated).

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 Refer to the UL 3741 Application Addendum

Environmental Specifications

Ambient Temperature -40°F to 122°F (-40°C to 50°C)
Storage Temperature -22°F to 158°F (-30°C to 70°C)
Enclosure Rating NEMA 4X / IP65

Mechanical Specifications

Electrical Connections MC4 Connector
Housing Plastic
Dimensions 5 x 6 x 1 inches (125 x 150 x 22 mm)
Weight 0.77 lb (350 g)
Mounting Options

Zep Home Run Clip
M4 Screw (#10)
Nail / Wood Screw
M8 Bolt (5/16 inch)