Danfoss VLT Design Guide

3.1.15 IP 21/Type 1 Enclosure Kit
Illustration 3.24 A2 Enclosure
Illustration 3.25 A3 Enclosure
ATop cover
BBrim
C Base part
D Base cover
EScrew(s)
Table 3.12
Place the top cover as shown. If an A or B option is used
the brim must be fitted to cover the top inlet. Place the
base part C at the bottom of the frequency converter and
use the clamps from the accessory bag to correctly fasten
the cables. Holes for cable glands:
Size A2: 2x M25 and 3xM32
Size A3: 3xM25 and 3xM32
Drive Selection
VLT
®
Refrigeration Drive Design Guide
48 MG16G102 - VLT
®
is a registered Danfoss trademark
3
3

Danfoss VLT Specifications

General

Frequency	50/60 Hz
Enclosure	IP20, IP21, IP55, IP66
Series	VLT
Control Technique	Flux Vector Control
Output Voltage	0-Vinput
Control Method	Fieldbus
Communication Interface	PROFIBUS, CANopen
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling Method	Liquid Cooled
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% non-condensing
Altitude	Up to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature	-10°C to +50°C (14°F to 122°F)