Extended Product Type:
EK370-40-21 48V DC
Catalog Description:
EK370-40-21 48V DC Contactor
Long Description:
A 4-pole Contactor suitable for Distribution and Rail way applications AC and DC switching. Operated with control voltage, versions from 24….690 AC, 50/60 Hz and 24-220 V DC
Ordering
Dimensions
Container Information
Package Level 1 Gross Weight:
Technical
Number of Main Contacts NO:
Number of Main Contacts NC:
Number of Auxiliary Contacts NO:
Number of Auxiliary Contacts NC:
Rated Operational Voltage:
Conventional Free-air Thermal Current (Ith):
acc. to IEC 60947-4-1, Open Contactors q = 40 °C 550 A
Rated Operational Current AC-1 (Ie):
(690 V) 55 °C 470 A
(690 V) 40 °C 550 A
(690 V) 70 °C 400 A
Rated Operational Current AC-3 (Ie):
(1000 V) 55 °C 155 A
(220 / 230 / 240 V) 55 °C 400 A
(690 V) 55 °C 370 A
(440 V) 55 °C Q55C415V:370 A
(440 V) 55 °C 400 A
(380 / 400 V) 55 °C 400 A
(500 V) 55 °C 370 A
Rated Operational Power AC-3 (Pe):
(500 V) 250 kW
(1000 V) 220 kW
(690 V) 355 kW
(220 / 230 / 240 V) 110 kW
(380 / 400 V) 200 kW
(440 V) 220 kW
(415 V) 220 kW
Rated Breaking Capacity AC-3 acc. to IEC 60947-4-1:
Rated Making Capacity AC-3 acc. to IEC 60947-4-1:
Short-Circuit Protective Devices:
Rated Short-time Withstand Current (Icw):
at 40 °C Ambient Temp, in Free Air, from a Cold State 15 min 1000 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 30 s 3700 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 5300 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 1 s 5500 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 1 min 3000 A
Maximum Electrical Switching Frequency:
AC-3 300 cycles per hour
AC-1 300 cycles per hour
AC-2 / AC-4 120 cycles per hour
Rated Insulation Voltage (Ui):
acc. to UL/CSA 600 V
acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 V
Rated Impulse Withstand Voltage (Uimp):
Maximum Mechanical Switching Frequency:
Coil Operating Limits:
(acc. to IEC 60947-4-1) Uc (at θ ≤ 70 °C) °C
Rated Control Circuit Voltage (Uc):
Coil Consumption:
Pull-in at Max. Rated Control Circuit Voltage 60 Hz 4000 V·A
Holding at Max. Rated Control Circuit Voltage 50 Hz 140 V·A
Pull-in at Max. Rated Control Circuit Voltage 50 Hz 3500 V·A
Holding at Max. Rated Control Circuit Voltage 60 Hz 125 V·A
Operate Time:
Between Coil Energization and NO Contact Closing 30…60 ms
Between Coil De-energization and NO Contact Opening 13…23 ms
Between Coil De-energization and NC Contact Closing 10…20 ms
Between Coil Energization and NC Contact Opening 25…55 ms
Degree of Protection:
acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20
Connecting terminals (delivered in open position) Main poles:
Flat type c/w screws and bolts
Environmental
Ambient Air Temperature:
Close to Contactor Fitted with Thermal O/L Relay (0.85 ... 1.1 Uc) -25…+55 °C
Close to Contactor without Thermal O/L Relay (0.85 ... 1.1 Uc) -40…+70 °C
Close to Contactor for Storage -50…+70 °C
Maximum Operating Altitude Permissible:
RoHS Status:
Following EU Directive 2002/95/EC August 18, 2005 and amendment
Technical UL/CSA
General Use Rating UL/CSA:
Certificates and Declarations (Document Number)
Declaration of Conformity - CE:
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