SMA Solar Technology AG
6 Electrical Connection
Installation Manual
SB13_21TL-IA-en-65
35
Figure 12: Fault indicator relay and cable route
Requirements
☐ The technical requirements of the fault indicator relay must be complied with
(see Section 12 "Technical Data", page 60).
Cable Requirements
☐ The cable must be double-insulated.
☐ External diameter: 5 mm to 12 mm
☐ Conductor cross-section: 0.08 mm² to 2.5 mm²
☐ The cable type and routing method must be appropriate to the application and location.
Item
Description
A
Terminals of the fault indicator relay
B
Cable route
C
Enclosure opening with filler plug
Destruction of the fault indicator relay as a result of contact overload
• Adhere to maximum switching voltage and maximum switching current
(see Section "Fault Indicator Relay", page 63).
• When connecting the fault indicator relay to the electricity grid, protect it with an individual
miniature circuit-breaker.
