LRD350 Schneider Electric Industrial Automation Components

Product Details

• Product Or Component Type
  Differential thermal overload relay
• Relay Application
  Motor protection
• Product Name
  TeSys LRD
• Depth
  4.84 in (123 mm)
• Network Frequency
  0...400 Hz
• Width
  2.17 in (55 mm)
• Phase Failure Sensitivity
  Tripping current 130 % of Ir on two phase, the last one at 0
• Net Weight
  0.83 lb(US) (0.375 kg)
• Device Short Name
  LRD
• Thermal Protection Adjustment Range
  37…50 A
• Temperature Compensation
  -4…140 °F (-20…60 °C)
• [Uimp] Rated Impulse Withstand Voltage
  6 kV
• Height
  2.76 in (70 mm)
• Range
  TeSys
• Tripping Threshold
  1.14 +/- 0.06 Ir IEC 60947-4-1
• Auxiliary Contact Composition
  1 NO + 1 NC
• [Ue] Rated Operational Voltage
  690 V AC 0...400 Hz power circuit IEC 60947-4-1
• Thermal Overload Class
  Class 10A IEC 60947-4-1
• [Ith] Conventional Free Air Thermal Current
  5 A signalling circuit
• Network Type
  DC AC
Tightening Torque
Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 44.25 lbf.in (5 N.m) EverLink BTR screw connectors
Control Type
Red push-button stop Blue push-button reset
Permissible Current
0.95 A 380 V AC-15 signalling circuit 0.06 A 440 V DC-13 signalling circuit
Associated Fuse Rating
4 A gG signalling circuit 4 A BS signalling circuit
Connections - Terminals
Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible without cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible with cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 m
Product Compatibility
LC1D65A LC1D50A LC1D40A
[Ui] Rated Insulation Voltage
Power circuit 600 V CSA Power circuit 600 V UL Power circuit 690 V IEC 60947-4-1
Mounting Support
Plate, with specific accessories Rail, with specific accessories Under contactor

LRD350 Related Documents