Danfoss ECI 15, ECI 30, ECI 50, ECI 63, ECI 10 Data sheet
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Data sheet
CI-tronic™ Electronic contactors
Type ECI
ECI electronic contactors are designed for fast
and demanding switching of loads such as
heaters, solenoids, transformers and motors.
ECI Electronic contactors utilize power chip with
LTE (Low Thermal Expansion) technology.
This unique power chip design ensures high
switching capacity and long life.
The contactors are burst fired for reduced EMC
emission, have LED status indicators and accept
universal control voltage ranges.
The units are DIN rail mountable, complete with
heatsink and require no additional components.
Features • Compact modular design complete with
heatsink
• DIN rail mountable
• Easy and quick installation
• Specification according to industry standard
• Available in single phase, dual phase or
three phase version
• Operational current up to 63 A (AC-1),
30 A (AC-3)
• LED Status indication
• Line voltage up to 600 V AC
• Universal control voltage
• Burst firing (zero cross)
• IP20 protection
• CE, cULus and C-tick approvals
• SCR power chip with LTE technology
• Built-in varistor protection
© Danfoss | DCS (az) | 2018.04
IC.PD.C50.G4.02 | 1
Data sheet | CI-tronic™ Electronic contactors, Type ECI
Technical data
Single and dual phase 1) Three phase
Output specification
ECI 15 ECI 30 ECI 50 ECI 63 ECI 10 ECI 20
Operational current [A]
AC-1, AC-51 (heater load) max. 15 30 50 63 10 20
AC-3, AC-53a (motor load) max. 15 2) 15 15 30 10 10
12 – 230 V AC
Operational voltage (50/60 Hz)
24 – 480 V AC
24 – 600 V AC
Leakage current max. 1 mA
Operational current min. 10 mA
Semiconductor protection fusing
Type 1 coordination
50 A gL /
gG
80 A gL
/ gG
35 A gL /
gG
Type 2 coordination Pt(t=10ms) 1800 A2s2) 6300 A2s 450 A2s
1
) Dual phase: Current rating is accumulated, i.e. the sum of current in L1 and L2
2
) Contactors designed for 600 V: AC-3 load 10 A max., type 2 coordination fuse 450 A2s
Control circuit specification
Control voltage range (±10%) 5 – 24 V DC / 24 – 230 V AC / DC
Pick-up voltage max. 4.25 V DC / 20.4 V AC / DC
Drop-out voltage min. 1.5 V DC / 7.2 V AC / DC
Control current / power max. 15 mA at 24 V DC / 1.5 VA at 24 V DC
Response time max. ½ cycle / 1 cycle
EMC immunity Meets requirements of EN 60947-4-3
Insulation
Rated insulation voltage U
Rated impulse withstand voltage U
I
imp
Installation category III
Thermal specification
Power dissipation
continuous duty
intermittend duty
Single and dual phase Three phase
ECI 15 ECI 30 ECI 50 ECI 63 ECI 10 ECI 20
1.2 W/A (per phase)
1.2 W/A × duty cycle
(per phase)
Ambient temperature range -5 – 40 °C
Cooling method Natural convection
Mounting Vertical (see general mounting instruction)
Storage temperature range -20 – 80 °C
Enclosure degree/pollution degree IP20 / IP3
660 V AC
4 kV
3 W/A × duty
Materials
Housing Self-extinguishing PPO UL94V1
Heatsink Aluminium black anodized
Base Electroplated steel
3 W/A
cycle
© Danfoss | DCS (az) | 2018.04
IC.PD.C50.G4.02 | 2
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