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SMA AUTOMATIC SWITCH BOX M-20 User Manual

Page 54

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10 Technical Data

SMA Solar Technology AG

54

AS-BOX-M_L-IA-IEN110320

Installation Guide

Rated insulation voltage

Load connection

Consumption meter connection

Switch cabinet wiring

2.5 kV AC

230 V AC terminals on control board

1.7 kV DC

Communication ports on control board

500 V DC

Nominal power at 35 °C

7.4 kW

Nominal current with grid operation per phase at 35 °C

32 A

Power for 30 minutes at 35 °C

8.9 kW

Current with grid operation per phase for 30 minutes at
35 °C

38 A

Maximum cross-section of the insulated conductor to be
connected

16 mm²

Stripping length of the insulated conductors

18 mm … 20 mm

Maximum fuse link to be used

D02

Maximum rated current of the fuse link

40 A

Nominal power at 35 °C

7.4 kW

Nominal current at 35 °C

32 A

Power for 30 minutes at 35 °C

8.9 kW

Current with grid operation per phase for 30 minutes at
35 °C

38 A

Maximum cross-section of the insulated conductor to be
connected

16 mm²

Stripping length of the insulated conductors

18 mm … 20 mm

Maximum rated short-circuit current

10 kA

Maximum nominal current of the back-up fuse

40 A

Short-circuit current switch-off capability of the back-up
fuse

≥ 25 kA

Cut-off current of back-up fuse

≤ 17 kA

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