Mains Supply (L1, L2, L3)
Supply voltage 200-240 V ±10%
Supply voltage 380-480 V ±10%
Supply voltage 525-600 V ±10%
Supply frequency 50/60 Hz
Max. imbalance temporary between mains phases 3.0 % of rated supply voltage
True Power Factor (λ) ≥ 0.9 nominal at rated load
Displacement Power Factor (cos φ) near unity (> 0.98)
Switching on input supply L1, L2, L3 (power-ups) ≤ 7.5 kW Max. 2 times/min.
Switching on input supply L1, L2, L3 (power-ups) ≥ 11 kW Max. 1 time/min.
Environment according to EN60664-1 Overvoltage category III/pollution degree 2
The unit is suitable for use on a circuit capable of delivering not more than 100.000 RMS symmetrical Amperes, 240/500/600
V maximum
Motor Compressor Output (U, V, W)
Output voltage 0-100% of supply voltage
Switching on output See parameter 14-01 Switching Frequency
Cable lengths and cross sections
Max. motor cable length, screened/armored 150 m
Max. motor cable length, unscreened/unarmored 300 m
Max. cross section to motor, mains, load sharing and brake *
Maximum cross section to control terminals, rigid wire 1.5 mm
2
/16 AWG (2 x 0.75 mm
2
)
Maximum cross section to control terminals, exible cable 1 mm
2
/18 AWG
Maximum cross section to control terminals, cable with enclosed core 0.5 mm
2
/20 AWG
Minimum cross section to control terminals 0.25 mm
2
* See Table 8.1, Table 8.2 and Table 8.3 for more information!
Digital Inputs
Voltage level 0 - 24 V DC
Voltage level, logic.0. PNP < 5 V DC
Voltage level, logic.1. PNP > 10 V DC
Voltage level, logic .0. NPN2) > 19 V DC
Voltage level, logic .1. NPN2) < 14 V DC
Maximum voltage on input 28 V DC
Input resistance, Ri approx. 4 kΩ
Safe Stop Terminal 37
Voltage level 0 - 24 V DC
Voltage level, logic.0. PNP < 4 V DC
Voltage level, logic.1. PNP >20 V DC
Nominal input current at 24 V 50 mA
rms
Nominal input current at 20 V 60 mA
rms
Input capacitance 400 nF
Terminal 37 is xed PNP logic
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
1. Terminals 27 and 29 can also be programmed as output.
2. Except safe stop input Terminal 37.
3. Terminal 37 can only be used as safe stop input.
General Specications
VLT
®
Compressor Drives CDS 302/CDS 303
164 Danfoss A/S © Rev. 2013-07-03 All rights reserved. MG34M422
88
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