ABB EK1000-40 – 4-Pole Block Contactor, 1000 A AC-1, up to 1000 V
The ABB EK1000-40 is a 4-pole block contactor from ABB’s EK range, built for distribution and railway applications with both AC and DC switching. With a conventional free-air thermal current of 1000 A and a rated operational voltage of up to 1000 V, it handles high-current power circuits such as main feeders, busbar sections, generator and transformer connections. Coil versions are available for control voltages from 24 to 690 V AC (50/60 Hz) and 24 to 220 V DC. Atlantech Drives supplies the ABB EK1000-40 range with fast shipping and quick quotations.
Main Circuit Ratings
| Item | Value |
|---|---|
| Main contacts | 4 NO |
| Rated operational voltage | 1000 V |
| Rated insulation voltage Ui | 1000 V (IEC 60947-4-1) / 600 V (UL/CSA) |
| Conventional free-air thermal current Ith (40 °C) | 1000 A |
| AC-1 rated operational current (1000 V) | 1000 A at 40 °C, 800 A at 60 °C, 720 A at 70 °C |
| AC-1 rated operational current (690 V, 40 °C) | 1000 A |
| Short-time withstand current Icw (10 s) | 6400 A |
| Max. electrical switching frequency (AC-1) | 300 cycles per hour |
Physical and Environmental Data
| Item | Value |
|---|---|
| Dimensions (W x H x D) | 296 x 272 x 225.5 mm |
| Weight | 15.8 kg |
| Ambient temperature, without thermal O/L relay | –40 to +70 °C |
| Ambient temperature, with thermal O/L relay | –25 to +55 °C |
| Storage temperature | –50 to +70 °C |
| Max. operating altitude | 3000 m |
| RoHS | Compliant with EU Directive 2011/65/EU |
ABB EK1000-40 Variants
The full order code depends on the auxiliary contacts and coil voltage:
EK1000-40-11 – AC coil, 1 NO + 1 NC auxiliary contacts
- ABB SK827044-AF – EK1000-40-11, 110 V 50 Hz / 120 V 60 Hz
- ABB SK827044-AL – EK1000-40-11, 220–230 V 50 Hz / 240 V 60 Hz
- ABB SK827044-AM – EK1000-40-11, 230–240 V 50 Hz
- ABB SK827044-AR – EK1000-40-11, 400–415 V 50 Hz
EK1000-40-21 – DC coil, 2 NO + 1 NC auxiliary contacts
- ABB SK827044-DD – EK1000-40-21, 48 V DC
- ABB SK827044-DF – EK1000-40-21, 220 V DC
Buy ABB EK1000-40 from Atlantech Drives
- Fast worldwide shipping
- Competitive pricing for switchboard builders, rail and utility projects
- Get a Quote: tell us your coil voltage and auxiliary contact requirement, and our senior commercial team will source the exact ABB EK1000-40 version you need
