5
Electrical installation
Operating Instructions – AC Motors
60
5
Electrical installation
WARNING
Electric shock due to incorrect installation.
Severe or fatal injuries.
•
Use switch contacts in utilization category AC-3 according to EN 60947‑4‑1 for
switching the motor.
•
Use switch contacts to switch the brake. Depending on brake type and type
design, the switch contacts meet the specifications in the following utilization cat-
egories:
– Switch contacts for the supply voltage for operation with AC voltage: AC-3 ac-
cording to EN 60947-4-1, or AC-15 according to EN 60947-5-1.
– Switch contact for the supply voltage for operation with DC voltage: Preferably
AC-3 or DC-3 according to EN 60947-4-1. As an alternative, contacts in utiliz-
ation category DC-13 according to EN 60947-5-1 are also permitted.
– Switch contacts for optional cut-off in the DC circuit: AC-3 according to
EN 60947-4-1.
•
When motors are powered by inverters, you must adhere to the wiring instruc-
tions in the frequency inverter operating instructions.
25851535/EN – 02/2019
Содержание DR 315 Series
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