Siemens SIMOTICS XP 1LA5 Compact Operating Instructions page 45

Table 6-10 Max. conductor connection for explosion-proof machines (with the
exception of Zone 22) and VIK standard version
Frame size
63 ... 112
132
160
180
180 (1LG4, 1LG6)
200 ... 225
250 ... 280
315
Explosion-protected machines
56100000002002, 01/2016
Max. connectable conductor cross-section
[mm²]
120,0
240,0
Electrical connection
4,0
6,0
16,0
10,0
16,0
50,0
117