L55, Cabinet Anti-Condensation Heating - Siemens SINAMICS S120 Manual

Options

9.35 L55, cabinet anti-condensation heating

9.35 L55, cabinet anti-condensation heating
Availability of option
This option is available for the following S120 Cabinet Modules:
● Basic Line Connection Modules
● Active Line Connection Modules
● Motor Modules
● Heat Exchanger Modules
● Auxiliary Power Supply Modules
Description
The cabinet anti-condensation heating prevents at low ambient temperatures and high levels
of humidity the formation of condensation.
A 100 W heater (-E240) is deployed for 400 mm and 600 mm cabinets. Two 100 W heaters
(-E240, -E241) are deployed for cabinet widths of 800 mm or higher.
The power supply (110 to 230 VAC) must be provided externally and protected with a fuse of
up to 16 A.
X240 connection for cabinet anti-condensation heating
Table 9- 60
Terminal
1
2
3
Max. connectable cross-section: 4 mm²
Dangerous electrical voltage as a result of external auxiliary supplies
When the external supply voltage for the cabinet anti-condensation heating is connected,
dangerous voltages are present in the cabinet unit even when the main switch is open.
Death or serious injury can result when live parts are touched.
• Observe the general safety rules when working on the device.
438
Terminal block X240
Designation
L1
N
PE
WARNING
Technical data
110 to 230 VAC voltage supply
Current demand:
- min.: approx. 0.43 A (for 230 VAC, 100 W)
- max.: approx. 1.8 A (for 110 VAC, 200 W)
Protective conductor
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A