Product Model
ELR H3-IS-SC- 24DC/500AC-3-P
Selling Points
- 1Starts 3-phase AC motors up to 3A with motor protection.
- 2Offers emergency stop up to SIL 3/PL e for enhanced safety.
- 3Possible group shut-down, supply, and relay extension via DIN rail connector.
- 4Includes current monitoring and overload protection for reliable operation.
- 5Compatible with safety relays and system power supplies for flexible installation.
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 | Article revision | 03 |
Number of phases | 3 | Motor starter type | Direct starter |
Switching frequency | ≤ 2 Hz (Load-dependent) | Switching frequency | ≤ 2 Hz (Load-dependent) |
Maximum power dissipation | 4.1 W | Minimum power dissipation | 0.88 W |
Coordination type | 1 | 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 | 60 mA |
Protective circuit | Surge protection
Reverse polarity protection; Parallel polarity protection diode | Rated insulation voltage | 550 V |
Rated surge voltage | 6 kV | Overvoltage category | III |
Degree of pollution | 2 | Insulation characteristics between the control input and control supply voltage, and auxiliary circuit to the main circuit | Safe isolation (IEC 60947-1) |
Isolation characteristics between the control input and control supply voltage to auxiliary circuit | Safe isolation (IEC 60947-1) in the auxiliary circuit ≤ 300 V AC | Operate threshold | > 33 A |
Response time | < 0.5 s | Input name | Control input and enable input |
Note | The enable input is compatible with signals with blanking (semiconductor output signals with test pulse with max. 3 ms duration), | Rated actuating voltage U | 24 V DC |
Triggering voltage range | 19.2 V DC ... 30 V DC | Rated actuating current I | 7 mA |
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 | Protective circuit | Reverse polarity protection |
Rated operating voltage U | 500 V AC | Operating voltage range | 42 V AC ... 550 V AC |
Rated operating current I | 3 A (AC-51)
3 A (AC-53a) | Mains frequency | 50/60 Hz |
Load current range | 180 mA ... 3 A | Trigger characteristic in acc. with IEC 60947-4-2 | Class 10 |
Cooling time | 20 min (for auto reset) | Leakage current | 0 mA |
Note | Confirmation: floating change-over contact, signal contact | Contact switching type | 1 changeover contact |
Switching capacity in accordance with IEC 60947-5-1 | 2 A (24 V, DC13) | 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) |
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 (observe derating) |
Ambient temperature (storage/transport) | -40 °C ... 80 °C | Altitude | ≤ 2000 m |
Certificate | NLDX.E228652
NRNT.E172140 | Identification | ≤ 3 |
Note | Safe shutdown | Identification | 2 |
Note | Motor protection | 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 | 3 A (480 V AC) | Group installation | 20 A (class RK5, SCCR 5kA (480 V AC), #24 - 14 AWG max. solid and stranded)
30 A (class CC or J, SCCR 100kA (480 V AC), #24 - 14 AWG max, solid and stranded) |
Category code | NLDX / NRNT | Horsepower ratings | 0.5 hp (208 V AC)
0.5 hp (230 V AC)
0.5 hp (240 V AC)
1.5 hp (480 V AC) |
Ambient temperature (operation) | -25 °C ... 55 °C | Standards/regulations | EN 60947-1
EN 60947-4-2
EN ISO 13849
IEC 62061
IEC 61508 |
Mounting type | DIN rail mounting | Assembly note | alignable, for spacing see derating |
Mounting position | vertical (horizontal DIN rail, motor output below) |
Specifications may be subject to change without notice