User Documentation

272690250000/03/09.2020
Contents
1 About this documentation 28
1.1 Target group 28
1.2 Symbols and notes 28
2 Safety 29
2.1 General safety note 29
2.2 Switching off and on safely 29
2.3 Intended use 29
2.4 Personnel 30
2.5 Legal notice 30
2.6 Warnings on the product 30
3 Product description 31
3.1 Product overview 31
3.2 Enclosure 35
3.3 Switch-disconnector (optional) 35
3.4 Connections 35
3.5 SL SET PV next seal set 35
3.6 Surge protection device 35
3.7 PCB terminals 35
3.8 Fuse holder with fuse link (optional) 36
3.9 Surge protection according to DIN EN 50539-12 36
3.10 Regarding the LPL 36
3.11 Technical data 37
4 Transport and storage 39
4.1 Transport 39
4.2 Unpacking the delivery 39
4.3 Storage 39
5 Installation 40
5.1 Installation site 40
5.2 Mounting the product 41
5.3 Enclosure and mounting dimensions 42
6 Commissioning 44
6.1 Preconditions for commissioning 44
6.2 Commissioning the PV Next String Combiner Box 44
7 Cleaning 46
8 Maintenace 47
8.1 Annual visual inspection 47
8.2 Checking and replacing fuse links 47
8.3 Checking surge protection arresters 48
8.4 Replacing surge protection arresters 48
8.5 Checking insulation resistance 48
8.6 Service 48
8.7 Spare parts and accessories 49
9 Decommissioning and disposal 50
9.1 Decommissioning 50
9.2 Disposal 50
APPENDIX 51
Electrical connection layout 52
Manufacturer
Weidmüller Interface GmbH & Co. KG
Klingenbergstraße 26
32758 Detmold, Germany
T [phone]
F [phone]
www.weidmueller.com
Document No. 2690250000
Revision 03/September 2020