Product Model
ELR W2+1- 24DC/500AC-37

Selling Points
- 1Up to 5 Hz for efficient motor control.
- 2Ensures safe operation with reverse polarity protection and surge protection.
- 3Reduces wear and tear on the contactor.
- 4Designed for durability with noise-free and wear-free switching.
- 5Screw connection with conductor cross section ranging from 0.2 mm² to 4 mm².
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 | 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 |
SCCR | 5 kA (50 A RK5 (standard fault) fuse)
200 kA (50 A RK5 (standard fault) fuse) | 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