/ Perfect Welding / Solar Energy / Perfect Charging
RAPID SHUTDOWN BOX
/ The reliable rapid shutdown solution for Fronius inverters.
SINGLE STRING AND MULTI
STRING VERSIONS AVAILABLE
/ The Fronius Rapid Shutdown Box provides the ultimate NEC 2014 code (690.12) compliant solution while enhancing
rooftop and firefighter safety. With the Fronius Rapid Shutdown Box, Fronius offers a reliable and easy to install
solution for all Fronius SnapINverters in systems up to 600 V.*
/ Directly connected to the inverter through the same conduit as the DC homeruns, the Fronius solution minimizes the
number of components needed providing ease of installation. No additional power supply is needed, reducing overall
system cost and streamlining installation. Rapid Shutdown is triggered whenever AC is not present and the inverter
rapidly discharges the DC lines, allowing for a seamless code compliant solution to the 2014 NEC requirement for
rapid shutdown functionality for PV systems on buildings.
RATED N EMA 4X
/ Built for severe outdoor
conditions.
/ Robust metal housing.
/ Rated for rooftop install.
MOUNTING
/ Mounting bracket included.
/ Can be mounted, per NEC 2014,
on the roof or racking within 10 feet
from the array or in the attic 5 feet
within the array.
TERMINALS
/ Input and output terminals are
spring loaded for fast and easy
connection without special tools.
SAMPLE CONFIGURATION
ONE CONDUIT
FRONIUS RAPID
PV ARRAY
Communication path
DC line
* Excluding the Fronius Symo 15.0 -3 208 / Fronius Galvo only works with Fronius Rapid Shutdown Box Single
SHUTDOWN BOX
within 10 ft
FRONIUS INVERTER
Text and images co rrespond to the current s tate of technology at the t ime of printing. Subject to mod ifications.
All infor mation is without gua rantee in spite of carefu l editing - liability e xcluded. Copyright © 2011 Fronius™. Al l rights reserved.
TECHNICAL DATA
RAPID SHUTDOWN BOX SINGLE STRING MULTI STRING
Max. number of strings 1 input / 1 output
Max. output current 17 A 25 A per channel
Max. input current 17 A 12.5 A per input
Max. voltage 600 V
Power supply DC powered by the array (max. 3W)
Dimensions (W x H x D) 7.9 x 5.5 x 3.5 in. 11 x 7 x 4 in.
Weight 4.4 lbs. 8.6 lbs.
Max. DC homerun wire size AWG 10 AWG 8
DC disconnect NA Integrated
Protection class NEMA 4X
Temperature range -40° - 140° F (-40° - +60° C)
DC input wire size AWG 10 to AWG 12
Max. communication wire size AWG 14 (rated for max. system voltage)
Number of conduit ports 2 1
Conduit size 3/4 in. 1 in.
Fronius Galvo, Fronius Primo, Fronius
Compatible inverters
Symo (excluding the Fronius Symo 15.0-
3 208)
External hardware required None None
Certications and compliance with standards UL1741, FCC Part 15 Class B, NEC 690.12
**Note: Consult installation guide for wiring instructions on the Primo 10.0 to 15.0 kW.
***Note: For automatic rapid shutdown functionality, the Primo 10-15kW must have a serial number 27384701 or greater. Power stage SW2 seen in the inverter display “info” menu under “versions”
must be 0.6.34.4 or greater. Updates are available through software update le version fro27350.upd and can be easily downloaded at www.Fronius-usa.com/Primo-Update and installed via USB stick
or remote update via Fronius Solar.web.
1 to 4 inputs / 1 or 2 outputs (each output
is independent)**
Fronius Primo***, Fronius Symo (exclu-
ding the Fronius Symo 15.0-3 208)
/ Perfect Welding / Solar Energy / Perfect Charging
WE HAVE THREE DIVISIONS AND ONE PASSION: SHIFTING THE LIMITS OF POSSIBILITY.
/ Whether welding technology, photovoltaics or battery charging technology − our goal is clearly defined: to be the innovation leader. With around
3,300 employees worldwide, we shift the limits of what’s possible - our record of over 900 granted patents is testimony to this. While others progress
step by step, we innovate in leaps and bounds. Just as we’ve always done. The responsible use of our resources forms the basis of our corporate policy.
Further information about all Fronius products and our global sales partners and representatives can be found at www.fronius.com
v05 May 2015 EN
Fronius USA LLC
6797 Fronius Drive
Portage, IN 46368
USA
pv-support-usa@fronius.com
www.fronius-usa.com
Version 1.1 11/7/16
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