5 Installation and Commissioning
5.8 Power Connections
116 3HNA009834-001 en Rev.06 Product Manual, Control Cabinet IRC5P
5. Connect mains power L1, L2, L3 to mains overload protection and PE ground
to ground terminal. For information on tightening torque for terminal
connections, see ’Tightening Torques’ on page 216.
– Mains: Iks10kA. Breaking capacity of cabinet = 100 kA (400-600V) / 50kA
(200-230V).
– Fuses: Min. I
n
16 Amp. D-Curve (slow blow). 10-20 x I
n
or similar overload
protection with same slow blow characteristics.
– The mains cable must be min. 3 x 2.5mm² + PE (AWG 14)
– By mains 200V max length 85 meter (by 2.5mm²)
– By mains 400V max length 174 meter (by 2.5mm²)
– By longer supply lines, cable area must be increased, or fuse size reduced
6. Install mains fuses.
Important: Due to the autotransformer / drive system / mains filter configuration in
the IRC5P controller, an imbalance between the supply phases to the system can
occur during operation of the robot, and especially when switching the system ‘on’
and when applying power to the robots drive system (Motor On). This may cause
the earth fault protection to trip if a protection with too low release current is used,
and especially if more robots share the same earth fault protection.
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