The modular 3-phase hybrid motor starter with direct start function and current monitoring provides the following functions: - Forward running - Motor overload protection - Emergency stop to performance level PLe (TÜV certified) Additional advantages are provided by using the DIN rail connector adapter (Item No. 2203861): - Emergency stop of the enable signal is also possible via the DIN rail connector, e.g. via a safety relay (PSR DC38...) - Power can also be supplied via the DIN rail connector by a system power supply (e. g., QUINT4-SYS...) or via the PCB connector IMC 1,5/ 5-ST-3,81, Item No. 1857919 - Optional relay module (e. g., EM-2RSC/21AU-R/L-P, Item No. 2908701) provides additional status information
    
  
  ELR H3-IS-SC- 24DC/500AC-3-P
   - 
  Hybrid motor starter
    
      2908700
      
      
    
  
      Hybrid motor starter as an alternative to a conventional protective circuit. Starts 3~ AC motors up to 3 A, provides motor protection and emergency stop up to SIL 3/PL e. Group shut-down, supply, and relay extension possible via DIN rail connector.
      Free download available.
      Downloads
    
  Product details
| Product type | Hybrid motor starters | 
| Product family | CONTACTRON | 
| Operating mode | 100% operating factor | 
| 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 | 
| Supply | |
| Rated control circuit supply voltage US | 24 V DC | 
| Control supply voltage range | 19.2 V DC ... 30 V DC | 
| Rated control supply current IS | 60 mA | 
| Protective circuit | Surge protection | 
| Reverse polarity protection; Parallel polarity protection diode | |
| Insulation characteristics | |
| 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 | 
| Emergency tripping | |
| Operate threshold | > 33 A | 
| Response time | < 0.5 s | 
| Control | |
| 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), unblanking pulses of max. 4 ms are tolerated without adversely affecting the safety function.  | 
            
| Rated actuating voltage UC | 24 V DC | 
| Triggering voltage range | 19.2 V DC ... 30 V DC | 
| Rated actuating current IC | 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 | 
| AC output | |
| Rated operating voltage Ue | 500 V AC | 
| Operating voltage range | 42 V AC ... 550 V AC | 
| Rated operating current Ie | 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 | 
| Acknowledge output | |
| 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)) | 
| Control circuits | |
| 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 lbf-in. ... 7 lbf-in. | |
| Load circuit | |
| 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 lbf-in. ... 7 lbf-in. | |
| 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 (Housing) | V0 (Housing) | 
| Ambient conditions | |
| Degree of protection | IP20 | 
| Ambient temperature (operation) | -25 °C ... 70 °C (observe derating) | 
| Ambient temperature (storage/transport) | -40 °C ... 80 °C | 
| Altitude | ≤ 2000 m | 
| UL approval | |
| Certificate | NLDX.E228652 | 
| NRNT.E172140 | |
| Safety Integrity Level (SIL, IEC 61508) | |
| Identification | ≤ 3 | 
| Note | Safe shutdown | 
| Safety Integrity Level (SIL, IEC 61508) | |
| Identification | 2 | 
| Note | Motor protection | 
| Performance Level (ISO 13849) | |
| Identification | ≤ e | 
| Note | Safe shutdown | 
| Category (ISO 13849) | |
| Identification | ≤ 3 | 
| Note | Safe shutdown | 
| UL data | |
| 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 | |
| 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) | 
| Item number | 2908700 | 
| Packing unit | 1 pc | 
| Minimum order quantity | 1 pc | 
| Sales key | CK7 | 
| Product key | DK7411 | 
| GTIN | 4055626323176 | 
| Weight per piece (including packing) | 318,4 g | 
| Weight per piece (excluding packing) | 318,4 g | 
| Customs tariff number | 85371098 | 
| Country of origin | DE | 
ECLASS
| ECLASS-13.0 | 27370905 | 
ETIM
| ETIM 9.0 | EC001037 | 
UNSPSC
| UNSPSC 21.0 | 25173900 | 
| EU RoHS | |
| Fulfills EU RoHS substance requirements | Yes | 
| Exemption | 7(a), 7(c)-I | 
| China RoHS | |
| Environment friendly use period (EFUP) | 
              EFUP-50
               An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required. 
             | 
          
| EU REACH SVHC | |
| REACH candidate substance (CAS No.) | Lead (CAS: 7439-92-1) | 
| SCIP | 438827af-dc85-4cfd-9f06-9fa55843a4e7 | 
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PHOENIX CONTACT (Pty) Ltd.
        
        36 Lyn Road P.O. Box 916 ZA-Ferndale 2160