Product Model
ELR H3-ES-SC- 24DC/500AC-2

Selling Points
- 1Efficient Motor Starting: Starts 3-phase AC motors up to 500V AC with high reliability.
- 224V DC Control: Operates with a 24V DC control supply voltage for precise control.
- 3Adjustable Overload Shutdown: Ensures safe operation with adjustable overload shutdown functionality.
- 4Emergency Stop Function: Includes an emergency stop function to SIL 3/PL e standards for enhanced safety.
- 5Durable Design: Features surge protection, reverse polarity protection, and a robust design for long-lasting performance.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product type | Hybrid motor starters | Product family | CONTACTRON |
Operating mode | 100% operating factor | Insulation | safe isolation |
Number of phases | 3 | Service life electrical | 3x 10 |
Reversing frequency | ≤ 2 Hz | Maximum power dissipation | 3.3 W |
Minimum power dissipation | 1.1 W | Coordination type | 1 |
Rated insulation voltage | 500 V | Rated surge voltage | 6 kV |
Rated control circuit supply voltage U | 24 V DC | Control supply voltage range | 19.2 V DC ... 30 V DC |
Rated control supply current I | 40 mA | Protective circuit | Surge protection
Reverse polarity protection; Parallel polarity protection diode |
Rated actuating voltage U | 24 V DC | Triggering voltage range | 19.2 V DC ... 30 V DC |
Switching threshold | 9.6 V (“0” signal)
19.2 V (“1” signal) | Switching level | < 5 V DC (For EMERGENCY STOP) |
Typical turn-off time | < 30 ms | Rated operating voltage U | 500 V AC |
Operating voltage range | 42 V AC ... 550 V AC | Rated operating current I | 2.4 A (AC-51)
2.4 A (AC-53a) |
Mains frequency | 50/60 Hz | Load current range | 180 mA ... 2.4 A (see to derating) |
Trigger characteristic in acc. with IEC 60947-4-2 | Class 10A | Cooling time | 20 min (for auto reset) |
Leakage current | 0 mA | Residual voltage | < 0.3 V |
Protective circuit | Surge protection | Note | Confirmation 01: floating changeover contact |
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 |
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 |
Status display | LED (yellow) | Operating voltage display | Green LED |
Error indication | Red LED | Width | 22.5 mm |
Height | 107 mm | Depth | 114 mm |
Flammability rating according to UL 94 | V0 (Housing) | Degree of protection | IP20 |
Ambient temperature (operation) | -25 °C ... 70 °C | Ambient temperature (storage/transport) | -40 °C ... 80 °C |
Identification | ≤ 3 | Note | Safe shutdown |
Identification | e | Note | Safe shutdown |
Identification | ≤ 3 | Note | Safe shutdown |
SCCR | 100 kA (480 V AC (fuse: 30 A class CC/30 A class J (high fault)))
5 kA (480 V AC (fuse: 20 A RK5 (standard fault))) | FLA | 2.4 A (480 V) |
Standards/regulations | DIN EN 50178
EN 60947 | Standards/regulations | DWR 1300/ZXX01/DD/7080.8d |
Standards/regulations | DIN EN 50178 | Assembly note | Can be aligned with spacing = 20 mm |
Mounting position | Vertical (horizontal DIN rail) |
Specifications may be subject to change without notice