Schneider SAMWHA EOCR 3DM2-WRDUH

Specification of

Schneider / Telemecanique Electronic Over Current Relay

• Merk : Schneider Electric
• Model / Part Number : 3DM2WRDUH
• Range of product : EOCR
• Device short name : EOCR-3DM2
• Product or component type : Protection relay
• Protection type :
  Overload, In > OC setting
  Underload, In < UC setting
  Locked rotor for starting, In > 2…8 times OC setting
  Locked rotor for running, In > 1.5…5 times OC setting
  Sensitivity to phase loss
  Phase unbalance, 10…50 %
  Sensitivity to phase reverse
  Product specific application : Motor protection
• Network type : AC
• Network frequency : 50…60 Hz
• Protection adjustment range : 0.5…60 A
• Tripping threshold :
  0.5…32 A (inverse and thermal)
  0.5…60 A (definite)
• [Us] rated supply voltage : 100…240 V AC/DC
• Mounting support : Panel (35 mm DIN rail)
• Contacts type and composition :
  1 NC + 1 NO (OL)
  1 NO (AL/UL/TO)
• Short-circuit and overload protection : By 4 A gG fuse
• [Ue] rated operational voltage :
  Power circuit : 600 V AC 50…60 Hz UL
  Power circuit : 690 V AC 50…60 Hz CSA
  Power circuit : 690 V AC 50…60 Hz IEC 60947-4-1
• [Uimp] rated impulse withstand voltage : 6 kV IEC 60947-4-1
• Reset :
  Electrical 0…1 s by interruption of power supply
  Manual reset
  Automatic reset 0.5…1200 s
  Time delay type :
  D-Time : 0…200 s
  O-Time : 0.2…30 s (definite)
  O-Time : 1…30 class (inverse and thermal)
  U-Time : 0.5…30 s
• Display type :
  7 segments LED
  Bar graph
• Power consumption per relay : < 3 W
• Connections – terminals :
  Control circuit : 2 cable 1…1.5 mm² – flexible – with cable end – M3
  Control circuit : 2 cable 1…1.5 mm² – flexible – without cable end – M3
  Control circuit : 1 cable 1…2.5 mm² – flexible – with cable end – M3
  Control circuit : 1 cable 1…2.5 mm² – flexible – without cable end – M3
• Tightening torque : 0.8…1.2 N.m for control circuit – cable – 4.7 mm head
• Standards : IEC 60947-4-1
• Product certifications : UL
• IP degree of protection : IP20 IEC 60529
• Ambient air temperature for operation : -20…60 °C IEC 60947-4-1
• Ambient air temperature for storage : -40…85 °C
• Operating altitude : 2000 m
• Fire resistance :
  650 °C IEC 60695-2-12
  960 °C UL 94
• Shock resistance : 15 gn for 11 ms IEC 60068-2-7
• Vibration resistance :
  4 gn on panel mounting IEC 60068-2-6
  2 gn on 35 mm DIN rail IEC 60068-2-6
• Dielectric strength :
  2 kV at 50…60 Hz in between case and circuit IEC 60255-5
  1 kV at 50…60 Hz in between contact IEC 60255-5
  2 kV at 50…60 Hz in between circuit IEC 60255-5
• Surge withstand : 6 kV IEC 61000-4-5
• Electromagnetic compatibility :
  Resistance to electrostatic discharge 8 kV air, 6 kV contact IEC 61000-4-2
  Resistance to radiated electromagnetic fields 10 V/m level 3 IEC 61000-4-3
  Resistance to fast transient 2 kV IEC 61000-4-4
  Conducted RF disturbances 10 V EN 61000-4-6
  Conducted RF disturbances class A EN 55011
• [Ith] conventional free air thermal current : 3 A, control circuit
• Permissible current :250 V, 3 A AC