LRD21L Schneider Electric Industrial Automation Components

Product Details

• Range
  TeSys
• Thermal Protection Adjustment Range
  12…18 A
• Phase Failure Sensitivity
  Tripping current 130 % of Ir on two phase, the last one at 0
• Relay Application
  Motor protection
• Height
  2.60 in (66 mm)
• Thermal Overload Class
  Class 20 IEC 60947-4-1
• [Uimp] Rated Impulse Withstand Voltage
  6 kV
• Net Weight
  0.32 lb(US) (0.144 kg)
• [Ith] Conventional Free Air Thermal Current
  5 A signalling circuit
• Depth
  2.99 in (76 mm)
• Product Or Component Type
  Differential thermal overload relay
• Tripping Threshold
  1.14 +/- 0.06 Ir IEC 60947-4-1
• Temperature Compensation
  -4…140 °F (-20…60 °C)
• Product Name
  TeSys LRD
• Device Short Name
  LRD
• [Ue] Rated Operational Voltage
  690 V AC 0...400 Hz power circuit IEC 60947-4-1
• Network Frequency
  0...400 Hz
• Auxiliary Contact Composition
  1 NO + 1 NC
• Width
  1.77 in (45 mm)
• Permissible Current
  3 A 120 V AC-15 signalling circuit 0.22 A 125 V DC-13 signalling circuit
Tightening Torque
Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals
Network Type
DC AC
Associated Fuse Rating
4 A gG signalling circuit 4 A BS signalling circuit
Control Type
Red push-button stop Blue push-button reset
[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
Product Compatibility
LC1D25 LC1D18 LC1D32 LC1D38
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

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