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Rapid shutdown wiring diagram: 4-string
Technical data and types
Type code 2-string pass-through 2-string combined 4-string combined
PV source conductor input
Maximum input current (per string) 10 A
Maximum input voltage 600 V
Number of input strings 2 2 4
Maximum input conductor size 8 AWG
PV output conductors output
Number of output circuits 2 1 2
Maximum output conductor size 6 AWG
Manual disconnect N/A Yes Yes
Control power
Power Input: 100-250VAC; Output: 24VDC/.65A, 15 W
Maximum power conductor size 12 AWG
Power off button Optional
Environmental NEMA 4X Enclosure
Environmental
Mounting angle 0-90°
Dimensions (HxWxD) 9" x 8" x 2" (includes mounting tabs)
Weight 5.8lb. 6lb. 6.2lb.
Operating temperature range -25 °C to +70 °C
Enclosure rating NEMA 4X
Certifications UL 1741:2010
Inverter characteristics
Power consumption 1.7 W 1.7 W 3.4 W
Maximum input capacitance 1640 µf
Warranty
Standard warranty 10 Years
Available models
Rooftop box PVV10-2S26 PVV10-2S16 PVV20-4S26
Control vault - Enclosed 15W 24VDC power CVP-SK-2*
Control vault - Enclosed 15W 24VDC power with power off button CVP-SK-2-OFF*
* Control vault is required for new installations.
Information in this document is subject to change without notice.
Rooftop
Inverter
+24V RSD power
PV String 2
PV String 3
PV String 4
PVV20-4S26
ABB rapid
shutdown
PV String 1
Utility
grid
PV output MPPT1
PV output MPPT2
PV system
disconnect
Control
vault
Control
vault
< 10 ft.