SMA SSM8-21-BS - Manual (Page 53)

SMA Solar Technology AG 12 Technical Data
Installation Manual SSMxx-21-IA-BS-JP-en-20 53
Sealing range of cable glands M40 13 mm to 32 mm
Maximum width of the terminal lugs when connecting two
cables per potential
55 mm
Suitable connection material Copper/aluminum
Number of cables per potential 1/2
DC Main Connection to Terminals*
* Terminals available as accessories
Type of terminal V-box terminal
Maximum conductor cross-section 300 mm
2
Suitable connection material Copper/aluminum
Number of cables per potential 1/2
Cable gland M40
Sealing range of cable gland 13 mm to 32 mm
Connection of String Cables to Fuse Holder
Conductor cross-section for one string cable per fuse holder
0.75 mm
2
to 16 mm
2
Cable feed-through plate M50
Clamping range of cable entry plate 5.0 mm to 10.5 mm
Ground Connection in SSMxx-21-BS
Terminal
Surge arrester
Conductor cross-section 16 mm
2
Cable gland M25
Sealing range of cable gland 8 mm to 17 mm
Ground Connection in SSMxx-21-BS-JP
Terminal
Screw terminal
Conductor cross-section 16 mm
2
Cable gland M25
Sealing range of cable gland 8 mm to 17 mm
Surge Arrester for Communication and Voltage Supply in SSMxx-21-BS-JP
Type
BLITZDUCTOR
®
BVT ALD 60
Arrester class Type1P1
Nominal voltage 60 V
DC
D1 Lightning surge current (10/350) total 5 kA
C2 nominal discharge current (8/20) total 20 kA
Test standards IEC 61643-21/EN 61643-21
DC Main Connection to Busbar