Product Specifications
SMA America, LLC
Toll Free +1 888 4 SMA USA
www.SMA-America.com
RSDBOX- DUS161724 SMA and Sunny Boy are registered trademarks of SMA Solar Technology AG. Printed on FSC-certified paper. All products and services described as well as technical data
are subject to change, even for reasons of country-specific deviations, at any time without notice. SMA assumes no liability for errors or omissions. For current information, see www.SMA-Solar.com.
Technical data Rapid Shutdown Box
General data
Maximum input voltage 600 V DC
Minimum input voltage 110 V DC
Number of DC inputs 4 strings, 2 in parallel per channel
DC operating current per channel 20 A DC
Maximum channel short circuit current per channel 36 A DC
Integrated power supply DC powered by PV array (max. 5W)
Ambient temperature range -40°C to +75°C
Dimensions without pre-wired cables (W x H x D) 542 x 340 x 75 mm / 21.3 x 13.4 x 2.95 in
Weight 3.8 kg / 8.4 lb
DC input Cable whips with MC4 connectors
Wire size DC outputs AWG 12 to AWG 6
Wire size control wires AWG 18 to 16
Wire size grounding AWG 10 to AWG 6
Enclosure rating Type 4X
Enclosurenish Aluminum
Conduit size (home run) 3/4 inch conduit
Conduit size (control wires) 2 x 1/2 inch for daisy chain wiring
Warranty 10 years
Compliance NEC 2014, article 690.12
Safetylistingandcertication UL 1741
Type designation RSB-2S-US-10
Technical data Rapid Shutdown Controller
General data
Status indicator 2 LEDs
Dimensions (W x H x D) 80 x 153 x 104 mm / 3.15 x 6.02 x 4.1 in
Weight 0.3 kg / 0.72 lb
Ambient temperature range -25°C to +70°C
Enclosure rating Type 4X
Enclosurenish Polycarbonate
Type designation RSC-1X-US-10
First Responder Safety
LED indicator lights ensure safe
operation for rst responders.
Rapid Shutdown Box
Slim design ts under
PV modules.
Rapid Shutdown Controller
Mounting in close proximity to
the inverter is not required.
Secure Power Supply (SPS)
Rapid Shutdown System
ensures SPS functionality by
using PV array’s DC power.