Danfoss VLT FC 302 User Manual

11.1.2 Derating for Temperature
The frequency converter automatically derates the
switching frequency, switching type, or output current
under certain load or ambient conditions as described
below. The derating curves in Illustration 11.1 and
Illustration 11.2 apply to both SFAVM and 60 AVM
switching modes.
130BX491.10
Iout [%]
fsw
[kHz]
o
70
80
90
0.5
60
100
110
2.0
50 C
55 C
0.0
o
1.0 1.5 2.5 4.03.0 3.5
o
45 C
Illustration 11.1 Derating Frame Sizes D, E, and F 380-500 V
(T5) High Overload 150%
130BX492.10
o
70
80
90
0.5
Iout [%]
60
100
110
2.0
fsw
[kHz]
50 C
55 C
0.0
o
1.0 1.5 2.5 4.03.0 3.5
o
45 C
o
40 C
50
Illustration 11.2 Derating Frame Sizes D, E, and F 380-500 V
(T5) Normal Overload 110%
Specifications Operating Instructions
142 Danfoss A/S © Rev. 2014-07-29 All rights reserved. MG37A202
1111

Danfoss VLT FC 302 Specifications

General

Brake Function	Built-in brake chopper in all units up to 22 kW
Output Voltage Range	0-100% of input voltage
Power Range	0.37 kW
Control Modes	VVCplus, Flux, U/f
Protection Features	Overvoltage, undervoltage, overcurrent, short circuit, overtemperature, overload
Communication Options	Modbus RTU, BACnet, Ethernet/IP, Profinet, Profibus, CANopen, DeviceNet
Ambient Temperature Range	-10°C to +50°C (derating above +40°C)
Enclosure Rating	IP20, IP21, IP55
Cooling Method	Air-cooled
Input Voltage	200-240V, 380-480V, 525-600V