5 Mounting
SMA Solar Technology America LLC
Installation Manual
RSS-US-IA-xx-14
13
5
Mounting
5.1
Requirements for Mounting
Requirements for the mounting location:
WARNING
Danger to life due to fire or explosion
Despite careful construction, electrical devices can cause fires.
• Do not mount the Rapid Shutdown Box or Rapid Shutdown Controller in areas containing
highly flammable materials or gases.
• Do not mount the Rapid Shutdown Box or Rapid Shutdown Controller in areas exposed to
explosion hazards.
☐ The Rapid Shutdown Controller must be mounted in such a way that it is visible and freely
accessible to first responders.
☐ The mounting location of the Rapid Shutdown Controller must be suitable for the weight and
dimensions of the Rapid Shutdown Controller.
☐ The Rapid Shutdown Box can be mounted on the mounting system of the PV array, directly on
the roof or on a wall. Here, there must be a distance of at least 13 mm (0.5 in) between the
Rapid Shutdown Box and the module backsheet and the permissible cable length between the
PV array and the Rapid Shutdown Box must be observed.
☐ The mounting location of the Rapid Shutdown Box must be suitable for the weight and
dimensions of the Rapid Shutdown Box (see Section 11 "Technical Data", page 40).
☐ The specified ambient conditions at the mounting location of the Rapid Shutdown Box and
Rapid Shutdown Controller must be observed (see Section 11 "Technical Data", page 40).
Permissible cable lengths:
☐ The maximum cable length of 50 m (164 ft) from the Rapid Shutdown Box to the Rapid
Shutdown Controller must be observed.
☐ The maximum cable length of 100 m (328 ft) from the first Rapid Shutdown Box to the last
Rapid Shutdown Box in the system must be observed.
☐ Observe the maximum cable length between the PV array and Rapid Shutdown Box as
specified in the National Electrical Code
®
ANSI/NFPA 70 or the Canadian Electrical Code
®
CSA C22.1.
ENGLISH
Summary of Contents for RSB-2S-US-10
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