Electrical installation
4.9 Other connections
Drive converter cabinet units
76 Operating Instructions, 07/07, A5E00288214A
4.9.7 Cabinet anti-condensation heating (option L55)
Description
The anti-condensation heating is used at low ambient temperatures and high levels of
humidity to prevent condensation forming.
One 100 W heater is installed for a 400 mm and 600 mm cabinet panel, and two 100 W
heaters for an 800/1000 and 1200 mm cabinet panel. The power supply for the heating (110
V – 230 V AC) must be provided externally and fused at max. 16 A.
DANGER
When the supply voltage for the cabinet anti-condensation heating is connected, dangerous
voltages are present in the cabinet unit even when the main circuit breaker is open.
Connection
Table 4-25 Terminal block X240 – connection for cabinet anti-condensation heating
Terminal Designation Technical specifications
1 L1
2 N
110 V – 230 V AC
Voltage supply
3 PE Protective conductor
Max. connectable cross-section: 4 mm
2
(AWG 10)
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