SMA Combi-Switch, 600 VDC


The new Combi-Switch was specially designed with installers in mind. It provides the code-required external DC disconnect and protection for the SB6000U inverter all in one small enclosure. The Combi-Switch allows for up to four PV strings to be landed on individual Touch SafeTM fuse holders. 10 Amp fuses are provided for PV string over-current protection. The fuse outputs are then combined and routed through the disconnect switch. One pair of wires conveniently connects the entire PV array to the SB6000Uís DC inputs. The familiar enclosure is NEMA 3R rated for outdoor installation. Numerous knockout rings are provied for simplified conduit installation. The Combi-Switch is also ETL listed to UL 1741.


Number of Inputs 4
Pos. Input Wire Size 10 to 8 AWG
Pos. Input Terminal Torque 14 in-lb.
Neg. Input Wire Size 10 to 8 AWG
Neg. Input Terminal Torque 35 in-lb.
Output Wire Size 6 to 2 AWG
Output Terminal Torque 40 in-lb.
Max. Input Fuse Rating 10 A, 600 VDC, Midget
Max. Output Current 40 ADC
Max. Voltage 600 VDC
Max. Cont. Output Current 32 ADC
Max. Number of Outputs 1 Positive, 1 Negative
Enclosure Type NEMA 3R, Steel
Weight 10 lbs. (approx.)
Dimensions (with handle) HxWxD (inches) 15.0 x 7.75 x 5.75

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  • Model: Combi-Switch 600
  • Manufactured by: SMA

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