BECKHOFF AM3000 - Manual (Page 28)

8 Electrical installation Drive Technology
28 Version: 1.5 AM3000 / AM3500
Test voltage for signal
leads
(conductor/conductor -
conductor/shielding)
Test period
Requirement
1.5 kV eff.
5 min.
undamaged insulation
Operating voltage 300 V
Insulation resistance
Signal leads min. 5000 MOhm x km
Capacitance max. 120 pF / m