Danfoss TCI 25C Data sheet
Data sheet
CI-tronic™ single-phase compressor soft starter,
Type TCI 25C
The TCI 25C soft starter is designed for soft starting of single-phase compressors. During start the TCI 25C will gradually ramp-up the motor voltage to full line voltage thus reducing the starting current peak.
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Easy installation between normal motor starter |
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and motor |
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LED status indication |
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• Unlimited start/stop operation per hour |
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DIN rail mountable |
•Starting time max. 0,5 seconds
•Suitable for 50/60 Hz
•EN 60947-4-2
•CE, EAC, LLC CDC TYSK
© Danfoss | DCS (az) | 2018.03 |
IC.PD.C50.I2.02 | 1 |
Data sheet | CI-tronic™ single-phase compressor soft starter, Type TCI 25C
Ordering |
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Line Voltage |
Motor Current |
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Motor Power |
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Type |
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max. |
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Code no. |
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[V AC] |
[A] |
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[kW / HP] |
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TCI 25C |
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220 – 240 |
25 |
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4.0 / 5.5 |
037N0086 |
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Technical Data |
Output specifications |
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Operational voltage |
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220 – 240 V AC |
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Operational current (AC-3, AC-53a) |
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25 A max. (50 mA min.) |
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Semiconductor protection fusing |
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Type 1 co-ordination: |
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100 A gL/gG |
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Type 2 co-ordination: |
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6300 A2s |
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Control specifications |
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EMC immunity |
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Meets EN 60947-4-2 |
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Start profile |
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Ramp-up time |
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0,5 seconds (max.) |
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Starting torque |
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50% of nominal starting torque |
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Insulation specifications |
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Rated insulation voltage, Ui |
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660 V |
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Rated impulse withstand voltage, Uimp |
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4 kV |
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Installation category |
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III |
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Thermal specifications, environment |
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Power dissipation, continuously duty |
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1 W/A |
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Power dissipation, intermittent duty |
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1 W/A x duty cycle |
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Operating temperature range |
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-5 °C – 40 °C* |
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Cooling method |
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Natural convection |
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Materials |
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Housing |
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Self extinguishing PPO UL94V1 |
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Heat sink |
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Aluminium black anodised |
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Base |
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Electroplated steel |
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Functional description |
As soon as the TCI 25C is connected to mains |
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voltage a motor soft start is performed. |
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The balanced ramp-up time and starting voltage |
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(initial torque) ensures a fast and reliable start. |
TCI 25C can be used for single phase motors with and without a start capacitor - see wiring examples.
Functional diagram
Line voltage (L, N)
Motor voltage (T, N)
LED 1
LED 2
© Danfoss | DCS (az) | 2018.03 |
IC.PD.C50.I2.02 | 2 |
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