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SMA TS4-R-S 375W Shutdown Module
SMA JMS-F Rapid Shutdown Unit - SunSpec
Model:
TS4-R-S 375W (Shutdown Module)
SMA-JMS-F (RSD SunSpec Module)
Select model:Item code | Brand name | Model number |
SMATS4RS375 | SMA | TS4-R-S 375W |
Item code | Brand name | Model number |
SMAJMSF420 | SMA | SMA-JMS-F |

SMA
Smart Modules
For Rapid Shutdown
The Power + Solution from SMA offers greater flexibility in solar installations, while driving down system costs and maintenance issues. Nothing installs faster or easier. Features:
- Works/compatible with any solar panel, so installers can use in their existing systems
- Module-level monitoring and module-level shutdown
- Faster - Save up to 90 minutes per install compared to other solutions
- Safer - Reduce roof time by attaching the units to the solar panels on the ground, or even prior to the site visit
- Easier - Maintenance issues supported by SMA, and repair or replacement is done with simple snap-in cover on the units - no cabling work (electronics are in the removeable cover). Tool-free installation.
- The -S version is for Shutdown and Module Level Monitoring - use this when there are no/minimal shading issues
- The -F version is for Shutdown only - and can only be used with SunSpec compliant inverters ie, Sunny Boy -41 inverters
- Secure Power Supply NOT compatible with this system
- NEC 2017 Rapid Shutdown Compliant
- 25 Year Warranty
Specifications:
SPECIFICATIONS | TS4-R-S 375W | JMS-F 420W* |
Rated DC Input Power | 375W | 600W |
Output Power Range | 0 - 375W | 0 - 600W |
Max PV Module Open Circuit Voltage (Voc) | 52V | 60V |
Max Current (Isc) | 12A | 15A |
Max System Voltage | 600V | 1500V |
Allowable Series String Connections | 6 - 30 units | |
Operating Temperature Range | -40 to 75C (-40 to 167F) | |
Communication | 802.15.4 2.4 GHz | PLC (Power Line Communication compatible with SunSpec signal for RSD) |
Output Cable Length/Connector | 1.0m/MC4 | 1.2m/MC4 |
Weight | 1.5 lbs (670g) | 1 lbs (450g) |
Dimensions | 7.7 x 6.2 x 1 in (196 x 158 x 23 mm) |
3.5 x 3.5 x 1 in (89 x 89 x 16.5 mm) |
*NOTE: The new SunSpec certified JMS-F rapid shutdown device replaced the TS4-R-F. It maintains the essential form, fit, and function, but the Manufacturer states that the prior and new SunSpec devices should NOT be mixed on the same inverter/system.