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It is imperative to adapt the switchgear sizing to the max. current (I
max
) as well as
select and set the overcurrent protection device in compliance with the indications
in the electrical data sheet.
Table 9:
Maximum permissible protection
max. protection
Rated power
Switchgear
(switch gear with power class)
1)
16 A (gL/gG)
up to 1.5 kW
Reversing contactor A1
32 A (gL/gG)
up to 7.5 kW
Reversing contactor A2
16 A (g/R) I²t<1 500A²s
up to 1.5 kW
Thyristor B1
32 A (g/R) I²t<1 500A²s
up to 3 kW
Thyristor B2
63 A (g/R) I²t<5 000A²s
up to 5.5 kW
Thyristor B3
The AUMA power class (A1, B1, ...) is indicated on the name plate.
1)
Consider the motor starting current (IA) (refer to 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 equipped with thyristors, we recommend
safety fuses instead of circuit breakers. However, the use of circuit breakers is
basically permitted.
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.
When equipped with a heating system and external electronics power supply, the
fuses for the heating system have to be provided by the customer (refer to wiring
diagram F4 ext.).
Table 10:
Fuse for heating system
Designation in wiring diagram = F4 ext.
230 V AC
115 V AC
External power supply
1 A T
2 A T
Fuse
Risk of damage due to excessively low temperatures!
→
The power supply must be available for temperatures below –30 °C.
→
In case power supply failure for the heating system is likely to fail for temperat-
ures bellow –30 °C, please contact the factory.
A failure signal is issued in case of heating failure:
Status indications
S0007
or
S0011 Failure
display a fault.
The fault
Details
is displayed when selecting
Thermal fault
.
Further information to fault signals:
➭
If controls are to be mounted separately from actuator (local controls on wall bracket):
Consider length and cross section of connecting cable when defining the protection
required.
Potential of customer
connections
Refer to Technical data for options of isolated potentials.
Safety standards
Safety measures and safety equipment must comply with the respectively valid
national on site specifications. All externally connected devices shall comply with
the relevant safety standards applicable for the place of installation.
Connecting cables,
cable glands, reducers,
blanking plugs
●
We recommend using connecting cables and connecting terminals according
to rated current (I
N
) (refer to motor or electrical data sheet).
●
For device insulation, appropriate (voltage-proof) cables must be used. Specify
cables for the highest occurring rated voltage.
24
TR-M30X – TR-M1000X
Electrical connection
TR-MR30X – TR-MR1000X