Product Model
EK1000-40-21 48V DC
Selling Points
- 1High Operational Voltage: Operates with control voltage from 24 to 690 AC and 24 to 220 V DC.
- 2Robust Insulation: Rated insulation voltage of 8 kV and impulse withstand voltage of 5 million.
- 3Precise Control: Holding at Max. Rated Control Circuit Voltage 50 Hz 125 V·A and 60 Hz 140 V·A.
- 4Mechanical Durability: Maximum mechanical switching frequency of 3600 cycles per hour.
- 5Wide Temperature Range: Ambient air temperature range of -25°C to +55°C without thermal O/L relay, and -40°C to +70°C with thermal O/L relay.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product Net Width | 296 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 | 2 | 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 | 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) | DC Operation 48 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-DD |
Specifications may be subject to change without notice