EK1000-40-11 220-230V 50Hz / 230-255V 60Hz
Product ID:82888
Updated: 2026/4/4

Key Features
- 1Deliver high thermal current of 1000 A at 40°C for demanding loads. 2、Operate across wide voltage ranges: 220-230V 50Hz and 230-255V 60Hz. 3、Ensure robust insulation meeting IEC 60947-4-1 and VDE 0110 standards. 4、Achieve long service life with 5 million mechanical durability cycles. 5、Switch AC/DC currents in distribution and railway applications.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Width | 270 mm | Product Net Depth / Length | 225.5 mm |
| Product Net Height | 272 mm | Product Net Weight | 15.8 kg |
| 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 Π= 40 °C 1000 A |
| Rated Operational Current AC-1 (Ie) | (1000 V) 40 °C 1000 A (1000 V) 60 °C 800 A (1000 V) 70 °C 720 A (690 V) 40 °C 1000 A (690 V) 55 °C 800 A (690 V) 60 °C 800 A (690 V) 70 °C 720 A | Rated Short-time Withstand Current Low Voltage (Icw) | at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 6400 A at 40 °C Ambient Temp, in Free Air, from a Cold State 15 min 1200 A at 40 °C Ambient Temp, in Free Air, from a Cold State 1 min 3400 A at 40 °C Ambient Temp, in Free Air, from a Cold State 1 s 6800 A at 40 °C Ambient Temp, in Free Air, from a Cold State 30 s 4400 A |
| Maximum Electrical Switching Frequency | (AC-1) 300 cycles per hour | Rated Insulation Voltage (Ui) | acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 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 θ ⤠70 °C) |
| Rated Control Circuit Voltage (Uc) | 50 Hz 220 ... 230 V 60 Hz 230 ... 255 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 |
| 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 | Without Derating 3000 m |
| Object Classification Code | Q | ETIM 7 | EC000066 - Power contactor, AC switching |
| ETIM 8 | EC000066 - Power contactor, AC switching | ETIM 9 | EC000066 - Power contactor, AC switching |
| eClass | V11.0 : 27371003 | UNSPSC | 39121529 |
| IDEA Granular Category Code (IGCC) | 4755 >> Contactors | Manufacturer ID | SK827044-EM |
Specifications may be subject to change without notice
