SMA SSM-U-1615 - Manual (Page 67)

Current Measurement
Current measurement range −2.5 A to +17.5 A
Maximum error at +25°C* ±0.5%
Maximum error in temperature range* ±1.0%
* based on the end value of the current measurement range
Voltage Measurement
Number of measuring channels 1
Voltage measurement range +250 V
DC
to +1,500 V
DC
Maximum error at +25°C* ±0.5%
Maximum error in temperature range* ±1.0%
* based on the current measurement range end value
Measurement Internal Temperature SMA String-Monitor
Temperature measurement range −40°C to +100°C
Accuracy ±2% of measuring range end value
DC Main Connection to Busbar
Connection via busbar Ring terminal lugs for M12 screw
Maximum conductor cross-section 400 mm 2
Suitable connection material Copper/aluminum*
Number of cables per potential 1 / 2
Cable gland M50
Sealing range of cable glands** 17.0 mm to 38.5 mm
* with suitable terminal lug (see Section 6.3.3, page 29)
** Tightness of seal must be assured using the mounted seal insert or the size-reducing seal insert supplied
DC Main Connection to Box Terminals*
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 M50
Sealing range of cable gland** 17.0 mm to 38.5 mm
* available as an accessory (see Section 14, page 72)
** Tightness of seal must be assured using the mounted seal insert or the size-reducing seal insert supplied
13 Technical Data SMA Solar Technology AG
Operating Manual 67 SSMUXX15-BE-en-10