LR3D3557 Schneider Electric Industrial Automation Components

Product Details

• Tripping Threshold
  1.14 +/- 0.06 Ir IEC 60947-4-1
• Auxiliary Contact Composition
  1 NO + 1 NC
• Width
  2.95 in (75 mm)
• Product Or Component Type
  Non differential thermal overload relay
• Thermal Overload Class
  Class 20 IEC 60947-4-1
• [Ith] Conventional Free Air Thermal Current
  5 A signalling circuit
• Depth
  4.76 in (121 mm)
• Product Name
  TeSys LRD
• [Uimp] Rated Impulse Withstand Voltage
  6 kV IEC 60947-1
• Relay Application
  Motor protection
• Thermal Protection Adjustment Range
  37…50 A
• Range
  TeSys
• Phase Failure Sensitivity
  Tripping current 130 % of Ir on two phase, the last one at 0
• Device Short Name
  LR3D
• Temperature Compensation
  -4…140 °F (-20…60 °C)
• Network Frequency
  0...400 Hz
• [Ue] Rated Operational Voltage
  690 V AC 0...400 Hz power circuit IEC 60947-4-1
• Net Weight
  1.18 lb(US) (0.535 kg)
• Product Compatibility
  LC1D95 LC1D80
• Associated Fuse Rating
  4 A gG signalling circuit 4 A BS signalling circuit
Network Type
AC DC
Control Type
Red push-button stop Blue push-button reset
Tightening Torque
Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 79.66 lbf.in (9 N.m) screw clamp terminals
Mounting Support
Plate, with specific accessories Rail, with specific accessories Under contactor
Connections - Terminals
Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) flexible without cable end Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) flexible with cable end Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) solid
[Ui] Rated Insulation Voltage
Power circuit 1000 V IEC 60947-4-1 Power circuit 600 V CSA Power circuit 600 V UL

LR3D3557 Related Documents