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| Electrical connection
Important
Damage to motor due to over temperature.
♦ To avoid too many starts and stops a falling delay time of minimum 5 minutes has to be realized in the
control circuit.
Table 10 Motor protection
Type
Motor protection
Thermal protection,
standard
Speed regulation
Fans for long-term
operation —20 °
C...55 °C only, see
5.1.2 Temperature
types, page 4
By customer
PTC
Possible via frequency converter
AXC (B),(F),(K)
AXR (B),(F),(K)
AXC (B)-P, (F)-P
AXC (B)-PV, (F)-PV
AJ8 (B), (K), (F)
AJR (B), (K), (F)
By customer- must be
bypassed in case of fire
without (PTC optional) Possible via frequency converter
8.2 Connection
♦ Check that the data on the name plate matches the
connection data.
♦ Complete the electrical connection according to the
circuit diagram.
♦ Use all of the locking screws.
♦ Insert the screws by hand to avoid damaging the
thread.
♦ Tighten all glands well in order to guarantee
protection class IP.
♦ Screw the lid of the terminal box/inspection switch
evenly tight.
♦ Connect the cable end in a dry environment!
♦ Install a circuit breaker in the permanent electrical
installation, with a contact opening of at least 3 mm
at each pole.
Protective grounding wire
The protective grounding must have a cross-section equal to or greater than that of the phase conductor.
Residual current circuit breaker
All-current-sensitive residual current circuit breakers are required for use in alternating-current systems with 50/60
Hz, in combination with electronic devices such as EC motors, frequency converters or uninterruptible power supplies
(UPS).
Type
Electrical Connection
AXC, AXR, AXS, AXC-P, AXC-
PV, AJR, AJ8, AXC-H
Connection via terminal box. The terminal box is fitted on the outside of the housing.
AXCBF
Connection via terminal box. The terminal box is attached to the motor.
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