ELR H51-IESSC-24DC500AC-2 2902744 PHOENIX CONTACT Short-circuit-proof hybrid motor starter for reversing 3~ .. View larger
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ELR H51-IESSC-24DC500AC-2 2902744 PHOENIX CONTACT Short-circuit-proof hybrid motor starter for reversing 3~ ..




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Short-circuit-proof hybrid motor starter for reversing 3~ AC motors up to 550 V AC, with 24 V DC input, 2.4 A output current, emergency stop function, and adjustable overload shutdown. Can only be used with EM-RD or EM-RI adapter.

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INTERFACE Signal converters, switching devices, and power supply units - PHOENIX CONTACT

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Input data

Input nameDevice supply
Rated control circuit supply voltage US24 V DC
Rated control supply current IS40 mA
Protective circuitProtection against polarity reversal Parallel polarity protection diode
Surge protection
Operating voltage displayGreen LED
Status displayYellow LED
IndicationRed LED
Input nameControl input right/left
Rated actuating voltage UC24 V DC
Rated actuating current IC5 mA
Switching threshold9.6 V (“0” signal)
19.2 V (“1” signal)
Switching level< 5 V DC (For EMERGENCY STOP)
Protective circuitProtection against polarity reversal
Typical turn-off time< 30 ms

Output data load output

Rated operating voltage Ue500 V AC
Operating voltage range42 V AC ... 550 V AC
Load current range180 mA ... 2.4 A (see to derating)
Trigger characteristic in acc. with IEC 60947Class 10A
Leakage current0 mA
Protective circuitSurge protection Varistor

Output data reply output

NoteConfirmation: floating change-over contact, signal contact
Contact type1 PDT

Connection data, control circuit

Connection nameControl circuits
Connection methodScrew connection
Stripping length8 mm
Screw threadM3
Conductor cross section solid0.2 mm² ... 2.5 mm²
Conductor cross section flexible0.2 mm² ... 2.5 mm²
Conductor cross section AWG24 ... 14
Torque0.5 Nm ... 0.6 Nm


Switching frequency≤ 2 Hz (Load-dependent)
Mounting positionvertical (horizontal DIN rail, motor output below)
Assembly instructionsalignable, for spacing see derating
Operating mode100% operating factor
Standards/regulationsIEC 60947-1
EN 60947-4-2
IEC 61508
ISO 13849
Safety Integrity Level according to IEC 61508SIL 3 (safe shutdown)
SIL 2 (motor protection)
Category acc. to EN ISO 138493 (Safe shutdown)
Performance level according to ISO 13849e (Safe shutdown)


Width22.5 mm
Height160 mm
Depth114.5 mm

Ambient conditions

Ambient temperature (operation)-25 °C ... 70 °C (observe derating)
Ambient temperature (storage/transport)-40 °C ... 80 °C
Degree of protectionIP20

Datasheet - PDF

Title: Language: Size: Type:
PHOENIX CONTACT-2902744-ELR H51-IESSC-24DC500AC-2 English 122 Kbytes PHOENIX CONTACT-2902744-ELR H51-IESSC-24DC500AC-2

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