Product Model
ELR W3- 24DC/500AC- 9

Selling Points
- 1Highly Reliable Operation: Built with a zero voltage switch and optional thermal fuse for stable performance.
- 2Versatile Applications: Suitable for hybrid motor starters with reversing function and current monitoring.
- 3Advanced Safety Features: Includes protection against polarity reversal, surge protection, and integrated locking circuit.
- 4Efficient Design: Low power dissipation (0.88 W / 4.1 W) and high switching frequency.
- 5Easy Installation: Compatible with DIN rail mounting and easy to align with spacing = 20 mm.
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 | 08 | Number of phases | 3 |
Switching frequency | max. 5 Hz | Test voltage (Input/output) | 5 kV |
Switching frequency | max. 5 Hz | Reversing 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 | 12.7 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 | 9 A | Rated operating current at AC-53a | 9 A |
Peak offstate voltage | 1200 V | Mains frequency | 40 Hz ... 100 Hz |
Load current range | 100 mA ... 9 A (see to derating) | Leakage current | 6 mA |
Residual voltage | < 1.5 V | Surge current | 300 A (t = 10 ms) |
Max. load value | 580 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 ... 2.5 mm² | Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
Conductor cross section AWG | 24 ... 14 | Tightening torque | 0.5 Nm ... 0.6 Nm
5 lb |
Connection method | Screw connection | Stripping length | 8 mm |
Screw thread | M3 | Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
Conductor cross section flexible | 0.2 mm² ... 2.5 mm² | Conductor cross section AWG | 24 ... 14 |
Tightening torque | 0.5 Nm ... 0.6 Nm
5 lb | Status display | LED (yellow) |
Error indication | Red LED | Width | 67.5 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 | UKCA-compliant |
Certificate | NMFT.E323771 | SCCR | 5 kA (20 A RK5 (standard fault) fuse) |
Standards/regulations | DIN EN 50178
EN 60947 | Mounting type | DIN rail mounting |
Assembly note | Can be aligned with spacing = 20 mm | Mounting position | Vertical (horizontal DIN rail) |
Specifications may be subject to change without notice