SolarEdge SE17K User Manual

Appendix C: Connecting the AC and DCStrings
to the DC Safety Unit
Some inverter models are supplied with an integrated DC Safety Unit. This appendix
describes how to connect the AC grid and DC strings to the DC Safety Unit.
The DC Safety Unit includes:
Mechanical DCswitch (2-pole disconnection)
DCsurge protection (SPD, Type II)
DCfuses (plus & minus; optional)
This appendix describes connections to DC Safety Unit with or without fuses. The
following figure illustrates the DC Safety Unit supplied with fuses.
Figure 31: Inside the DC Safety Unit with fuses
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Appendix C: Connecting the AC and DCStrings to the DC Safety Unit 85
Three Phase System Installation Guide MAN-01-00057-4.1

SolarEdge SE17K Specifications

General

Dimensions	540 x 315 x 260 mm
Weight	37.5 kg
Cooling	Fan (user replaceable)
Operating Temperature Range	-20°C to +60°C
Protection Rating	IP65
Rated AC Power	17000 VA
Max. DC Voltage	1000 V
CEC Weighted Efficiency	97.5%
Number of MPP Trackers	2
Ingress Protection	IP65
AC Output Power	17 kW
Noise Level	<50 dBA
Maximum Efficiency	98.0%