Operating Instructions

Electrical connection
Basic information
A6V12052002
23 | 80
In case of common supply using a single cable (links from U1, V1 with XK25/26, for 24
Vdc only !!!), short-term excess or falling below the permissible voltage limits can
occur when switching (24 Vdc +10 %/–10 %). Any possibly incoming operation
commands are not executed outside the admissible limit values. The actuator controls
briefly signal a fault condition.
Protection and sizing on site
For short-circuit protection and for disconnecting the actuator from the mains, fuses
and disconnect switches must be provided by the customer.
The current values for sizing the protection can be derived from the current
consumption of the motor (see the motor name plate) plus the current consumption of
actuator controls.
We recommend adapting the switchgear sizing to the maximum current (I
max
) and
selecting and setting the overcurrent protection device in compliance with the
indications in the electrical data sheet.
Table 3: Current consumption of actuator controls.
Mains voltage
Maximum current consumption
Permissible variation of the mains
voltage
±10%
–30%
100 to 120 Vac
750 mA
1,000 mA
Table 4: Maximum permissible protection.
Switchgear
(switchgear with power class)
1)
Rated power
max. protection
Reversing contactor A1
up to 1.5 kW
16
A (gL/gG)
Reversing contactor A2
up to 7.5 kW
32
A (gL/gG)
Reversing contactor A3
up to 15 kW
63
A (gL/gG)
Thyristor B1
up to 1.5 kW
16
A (g/R)
I²t<1,500A²s
Thyristor B2
up to 3 kW
32
A (g/R)
I²t<1,500A²s
Thyristor B3
up to 5.5 kW
63
A (g/R)
I²t<5,000A²s
1)
The AUMA power class (A1, B1, ...) is indicated on the actuator controls name plate
Consider the motor starting current (I
A
) (see the electrical data sheet) when selecting
the circuit breaker. We recommend tripping characteristics D or K for circuit breakers
in accordance with IEC 60947-2. For controls with thyristors, we recommend safety
fuses instead of circuit breakers.
We recommend refraining from using residual current devices (RCD). However, if an
RCD is used within the mains, the residual current device must be of type B.
For actuator controls equipped with a heating system and external electronics power
supply, the fuses for the heating system must be provided by the customer (see the
wiring diagram F4 ext.)