Chapter 3 – Inputs-Outputs
XtrapulsPac Installation Guide
MTBF (Mean Time Between Failures)
Maximum surrounding air temperature
- Operation: +5°C to +50°C: from 40°C, the rated current
must be reduced by 3 % per additional Celsius degree
- Storage: -20°C to +70°C
< 50 % at 40°C and < 90 % at 20°C: EN 60204-1 standard
Condensation prohibited (storage and operation)
Natural air convection or forced air according to the current
rating.
Check for free air convection and for no obstruction of the
upper or lower air admissions.
Open chassis to be mounted inside a cabinet protecting the
drive from conducting dust and condensation (pollution
degree 2 environment) and according to the room
temperature requirements.
Pac-230/05, 11 and 17: 1.5 kg.
Pac-400/08 and 20: 2.2 kg.
Pac-400/45: 2.4 kg.
Pac-400/100: 3.3 kg
Pac-400/200: 8.5 kg
2.1.5 - Cold Plate specifications
Heatsink requirements:
The heat transfer is ensured by an external heatsink that can work with various techniques (air, liquid, …).
For a proper running of the drive, the following specifications shall be fulfilled:
- The contact surface between the drive and the heatsink shall be at least as large as the drive plate.
- The planarity of the heatsink shall be better than 0.05 mm all over the rear of the drive.
- The temperature of the heatsink should never exceed 70°C.
- Maximum surrounding air temperature :
o 50°C
o From 40°C, the rated current must be reduced by 3 % per Celsius degree.
- A short preview of the maximum values for the thermal resistor of the heatsink is given in the following table:
Continuous motor
current (A)
The file "Infranor thermal utility" is available for free download on the Infranor website www.infranor.com for more
detailed estimations.
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