SMA SSM8-21-BS - Manual (Page 54)

12 Technical Data SMA Solar Technology AG
54 SSMxx-21-IA-BS-JP-en-20 Installation Manual
Surge Arrester Module for Communication and Voltage Supply in SSMxx-21-BS-JP
Type
BLITZDUCTOR
®
BXTML2 BD DL S 15
Arrester class Type1P1
Nominal voltage 15 V
DC
D1 Lightning surge current (10/350) total 9 kA
C2 nominal discharge current (8/20) total 20 kA
Test standards IEC 61643-21/EN 61643-21
Surge Arrester for DC Main Cable in SSMxx-21-BS-JP
Type
DEHNguard
®
DG M YPV SCI 1000 FM
Maximum PV voltage 1,000 V
DC
Total discharge current (8/20) 40 kA
Nominal discharge current (8/20) per terminal 12.5 kA
Surge Arrester for DC Main Cable in SSMxx-21-BS
Type
CITEL DS50VGPVS-1000
Nominal voltage 1,000 V
DC
Maximum discharge current (8/20)per terminal 40 kA
Nominal discharge current (8/20) per terminal 20 kA
Connection of Communication and Voltage Supply
Terminal
Connector
Conductor cross-section 0.08 mm
2
to 2.5 mm
2
Cable gland M25
Sealing range of cable gland 7 mm to 14 mm
Recommended cable type Li2YCYv (TP) 4x2x0.5 mm 2
Degree of Protection and Ambient Conditions
Degree of protection*
* as per DIN EN 60529
IP54
Pollution degree 3
Operating range ‒40°C to +50°C
Storage temperature ‒40°C to +70°C
Relative humidity**
** condensation possible
0% to 95%
Maximum altitude above MSL 2,000 m
Ambient conditions***
*** as per IEC 60721-3-4:1995
4C2