Description

General Information

Extended Product Type:
EK370-40-11 220-230V 50Hz

Product ID:
SK827040-AL

EAN:
7320500041239

Catalog Description:
EK370-40-11 220-230V 50Hz 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

Categories

Products ? Low Voltage Products and Systems ? Control Products ? Contactors ? Block Contactors

Technical

Number of Main Contacts NO:
4

Number of Main Contacts NC:
0

Number of Auxiliary Contacts NO:
1

Number of Auxiliary Contacts NC:
1

Rated Operational Voltage:
Main Circuit 1000 V

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) 40 ?C 550

(690 V) 55 ?C 470

(690 V) 70 ?C 400

Rated Operational Current AC-3 (Ie):
(440 V) 55 ?C 550 A

(500 V) 55 ?C 370 A

(690 V) 55 ?C 370 A

(1000 V) 55 ?C 155 A

(380 / 400 V) 55 ?C 400 A

(220 / 230 / 240 V) 55 ?C 400

Rated Operational Power AC-3 (Pe):
(415 V) 220 kW

(440 V) 220 kW

(500 V) 250 kW

(690 V) 355 kW

(1000 V) 220 kW

(380 / 400 V) 200 kW

(220 / 230 / 240 V) 110 kW

Rated Breaking Capacity AC-3 acc. to IEC 60947-4-1:
8 x Ie AC-3

Rated Making Capacity AC-3 acc. to IEC 60947-4-1:
10 x Ie AC-3

Short-Circuit Protective Devices:
gG Type Fuses 630 A

Rated Short-time Withstand Current (Icw):
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 15 min 1000 A

at 40 ?C Ambient Temp, in Free Air, from a Cold State 1 min 3000 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 30 s 3700 A

Maximum Electrical Switching Frequency:
(AC-1) 300 cycles per hour

(AC-2 / AC-4) 120 cycles per hour

(AC-3) 300 cycles per hour

Rated Insulation Voltage (Ui):
acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 V

acc. to UL/CSA 600 V

Rated Impulse Withstand Voltage (Uimp):
8 kV

Mechanical Durability:
5 million

Maximum Mechanical Switching Frequency:
3600 cycles per hour

Coil Operating Limits:
(acc. to IEC 60947-4-1) Uc (at ? ? 70 ?C)

Rated Control Circuit Voltage (Uc):
50 Hz 220 ? 230 V

Coil Consumption:
Holding at Max. Rated Control Circuit Voltage 50 Hz 125 V?A

Holding at Max. Rated Control Circuit Voltage 60 Hz 140 V?A

Pull-in at Max. Rated Control Circuit Voltage 50 Hz 3500 V?A

Pull-in at Max. Rated Control Circuit Voltage 60 Hz 4000 V?A

Operate Time:
Between Coil De-energization and NC Contact Closing 10 ? 20 ms

Between Coil De-energization and NO Contact Opening 13 ? 23 ms

Between Coil Energization and NC Contact Opening 25 ? 55 ms

Between Coil Energization and NO Contact Closing 30 ? 60 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

Terminal Type:
Main Circuit: Bars

Technical UL/CSA

General Use Rating UL/CSA:
(600 V AC) 420 A