SMA SC 500CP-US - Manual (Page 78)

12 Cable Connection of External Devices in the Interface Cabinet SMA America, LLC
78 SCCP-US-IA-US_en-41 Installation Manual
12.2 Cable Requirements
☐ Only use copper cables.
☐ The cables for the setpoints, remote shutdown and external fast stop must be shielded.
☐ The data cables must be laid and attached separately from the power cables in accordance with 300.3(C)(2) NEC
2011.
The following table shows the requirements of the field wiring conductors:
12.3 Switching off the Circuit Breaker
1. Switch off the voltage supply.
• If the voltage is supplied externally, switch off the circuit
breaker of the external voltage supply.
or
• If the voltage supply is supplied internally, switch off the circuit
breaker of the internal supply voltage.
I Sealing plate
K External voltage supply terminal
L External fast stop terminal
M Circuit breaker of the external voltage supply*
* Optional
Terminal Cable size Cable type
=SC‒X210 12 AWG (2.5 mm²) minimum +140°F (+60°C) minimum, copper
wire
=SC‒X725 /
=SC‒X750 … =SC‒X757;
=SC‒X760;
=SC‒X770;
=SC‒X780
14 AWG (1.5 mm²) minimum +194°F (+90°C) minimum, copper
wire
Position Description