ENG
4.6.9
Equipotential bonding connections and fuses
1
Fig. 21: Equipotential bonding/fuses
Replacement of fuses
In order to maintain the UL-conformity, only spare fuses with the following specification may be used:
Control fuse
Version: Category "Class CC", slow-blow, suitable for transformer protection, voltage strength at least 480 V
DTI / DTS 6401
DTI / DTS 6501
Tab. 15: Fuse specification
NOTE
Potential equalization provided by customer
If the device is to be integrated into the customer's existing potential equalization for EMC reasons, a conductor can be
connected at the connecting point of the function potential equalization.
The connecting point is labeled with the necessary circuit symbol.
Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100123
2
G00014-01
Maximum 3.0 A
Maximum 3.0 A
1
Functional equipotential bonding
signal reception with low interference between the unit
and the switch cabinet.
2
Fuses (F2, F3) for transformer as protection against
fault current, overload current and short-circuit current.
(M8-thread), for a
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