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SMA Combi-Switch DC Disconnect and Combiner Box
Manufacturer Part Number: SMA COMBI-SWITCH
SMA Combi-Switch is ETL Listed to UL 1741 for countries requiring certification. It conveniently combines a DC disconnect with PV string fusing in a compact, rugged NEMA 3R enclosure. These switches are ideal for applications where a remote DC disconnect is desired. The lockable, visible blade design provides clear switch status for increased safety. Each switch is equipped with four Touch Safe™ fuse holders that provide connections for up to four strings of PV modules. Field-proven and UL-recognized components help assure a safe, code-compliant and reliable installation.
Features:
- ELT Listed to UL 1741 for countries that require certification
- Greatly simplifies PV input wiring
- Compact, rugged NEMA 3R/4 wall mount steel enclosure
- Heavy-duty, lockable, visible blade disconnect switch
- PV positive wires all land directly on Touch Safe™ fuse holders
- 4-Circuit, fused input protection
Specifications:
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Combi-Switch |
| Number of Inputs |
4 |
| Wiring Configuration |
Positive or Negative Ground |
| Positive Input Wire Size |
14 to 8 AWG |
| Positive Input Terminal Torque |
14 in-lb. |
| Negative Input Wire Size |
14 to 8 AWG |
| Negative Input Terminal Torque |
35 in-lb. |
| Output Wire Size |
6 to 2 AWG |
| Output Terminal Torque |
40 in-lb. |
| Maximum Input Fuse Rating |
10 A, 600 VDC, Midget |
| Maximum Output Current |
40 ADC |
| Maximum Voltage |
600 VDC |
| Maximum Continuous Output Current |
32 ADC |
| Maximum Number of Outputs |
1 Positive, 1 Negative |
| Enclosure Type |
NEMA 3R, Steel |
| Weight |
10 lbs. (approx.) |
| Dimensions (with handle) W x H x D in inches |
7.75 x 15.0 x 5.75 |
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SMA Combi-Switch 
