Product Model
ELR 2+1- 24DC/500AC-37
Key Features
- 1Stable and Noise-Free Switching: Enjoy reliable operation with zero voltage switch technology.
- 2High Switching Frequency: Maximize efficiency with a maximum switching frequency of 5 Hz.
- 3Integrated Protection Circuitry: Ensure safety with reverse polarity protection, suppressor diode, and surge protection.
- 4Long Service Life: Benefit from durable construction designed for extended operational life.
- 5Versatile Connection Options: Compatible with solid and stranded conductors, including AWG/kcmil specifications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Solid-state contactor | Operating mode | 100% operating factor |
| Article revision | 06 | Number of phases | 3 |
| Switching frequency | ≤ 10 Hz | Test voltage (Input/output) | 5 kV |
| Switching frequency | ≤ 10 Hz | Rated insulation voltage | 500 V |
| Rated surge voltage | 6 kV | Overvoltage category | III |
| Degree of pollution | 2 | Insulation characteristics between the control input voltage to the main circuit | Basic insulation |
| Input name | Control input right/left | Rated actuating voltage U | 24 V DC |
| Triggering voltage range | 19.2 V DC ... 30 V DC | Voltage range with reference to U | 0.8 ... 1.25
0.8 ... 1.25 |
| Rated actuating current I | 8.3 mA | Switching threshold | 9.6 V (“0” signal)
19.2 V (“1” signal) |
| Protective circuit | Reverse polarity protection; Suppressor diode
Surge protection | Error indication | Red LED |
| Status display | LED (yellow) | Rated operating voltage U | 500 V AC |
| Operating voltage range | 48 V AC ... 575 V AC | Rated operating current at AC-51 | 37 A |
| Rated operating current at AC-53a | 25 A | Peak offstate voltage | 1200 V |
| Mains frequency | 40 Hz ... 100 Hz | Load current range | 200 mA ... 37 A (see to derating) |
| Leakage current | 6 mA | Residual voltage | < 1.5 V |
| Surge current | 1300 A (t = 10 ms) | Max. load value | 9000 A |
| Protective circuit | RCV circuit | Surge voltage protection | > 575 V AC |
| Connection method | Screw connection | Stripping length | 8 mm |
| Screw thread | M3 | Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² | Conductor cross section AWG | 24 ... 12 |
| Tightening torque | 0.5 Nm ... 0.6 Nm
5 lb | Connection method | Screw connection |
| Stripping length | 8 mm | Screw thread | M4 |
| Conductor cross section rigid | 0.5 mm² ... 16 mm² | Conductor cross section flexible | 0.5 mm² ... 16 mm² |
| Conductor cross section AWG | 20 ... 6 | Tightening torque | 15 lb |
| Status display | LED (yellow) | Error indication | Red LED |
| Width | 147.5 mm | Height | 99 mm |
| Depth | 114.5 mm | Degree of protection | IP20 |
| Ambient temperature (operation) | -25 °C ... 70 °C | Ambient temperature (storage/transport) | -25 °C ... 70 °C |
| Certificate | NMFT.E323771
NRNT.E172140 | SCCR | 5 kA (50 A RK5 (standard fault) fuse) |
| FLA | 16 A (at 500 V, AC Resistance)
16 A (at 500 V, AC General USE)
16 A (at 500 V, AC Resistance Air Heating) | Standards/regulations | DIN EN 50178
EN 60947 |
| Mounting type | DIN rail mounting | Assembly note | Can be aligned with spacing = 40 mm |
| Mounting position | Vertical (horizontal DIN rail) |
Specifications may be subject to change without notice