Schneider LRD3361 Thermal Overload Relay 55-70 A

Rp1.476.104

Schneider LRD3361 Thermal Overload Relay (Standard Connection) 55 – 70 A

Schneider LRD3361 Thermal Overload Relay Min Specification

• TeSys range
• Product name:
  • TeSys LRD
  • TeSys Deca
• Differential thermal overload relay product type
• LRD device short name
• Motor protection application
• Product compatibility:
  • LC1D95
  • LC1D80
• DC & AC network type
• Thermal overload class 10A conforming to IEC 60947-4-1
• 55 – 70 Ampere thermal protection adjustment range
• Rated insulation voltage power circuit:
  • 1000 V conforming to IEC 60947-4-1
  • 600 V conforming to CSA
  • 600 V conforming to UL

Complementary

• 0 – 400 Hz network frequency
• Mounting support:
  • Plate, with specific accessories
  • Rail, with specific accessories
  • Under contactor
• 1.14 +/- 0.06 Ir tripping threshold conforming to IEC 60947-4-1
• 1 NO + 1 NC auxiliary contact composition
• 5 A conventional free air thermal current for signalling circuit
• Permissible current:
  • 0.72 A at 500 V AC-15 for signalling circuit
  • 0.06 A at 440 V DC-13 for signalling circuit
• 1000 V AC 0…400 Hz rated operational voltage for power circuit conforming to IEC 60947-4-1
• Associated fuse rating:
  • 4 A gG for signalling circuit
  • 4 A BS for signalling circuit
• 6 kV rated impulse withstand voltage conforming to IEC 60947-1
• Tripping current 130 % of Ir on two phase, the last one at 0 phase failure sensitivity
• Control type:
  • Red push-button: stop
  • Blue push-button: reset
• -20 – 60 °C temperature compensation
• Connections & terminals:
  • Power circuit: screw clamp terminals 1 cable 4 – 35 mm²:
    • Flexible without cable end
    • Flexible with cable end
    • Solid without cable end
  • Control circuit: screw clamp terminals 2 cables 1…2.5 mm²:
    • Flexible without cable end
    • Flexible with cable end
    • Solid without cable end
• Tightening torque:
  • Control circuit: 1.7 N.m – on screw clamp terminals
  • Power circuit: 9 N.m – on screw clamp terminals

Environment

• Climatic withstand Conforming to IACS E10
• IP20 conforming to IEC 60529
• -20 – 60 °C ambient air temperature for operation without derating conforming to IEC 60947-4-1
• -60 – 70 °C ambient air temperature for storage
• V1 flame retardance conforming to UL 94
• Mechanical robustness:
  • Vibrations: 6 Gn conforming to IEC 60068-2-6
  • Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
• 2.2 kV at 50 Hz dielectric strength conforming to IEC 60947-1
• Standards:
  • EN/IEC 60947-4-1
  • EN/IEC 60947-5-1
  • UL 60947-4-1
  • UL 60947-5-1
  • CSA C22.2 No 60947-4-1
  • CSA C22.2 No 60947-5-1
  • GB/T 14048.4
  • GB/T 14048.5
  • EN 50495
• Product certifications:
  • IEC
  • UL
  • CSA
  • CCC
  • EAC
  • ATEX INERIS
  • UKCA

Out of stock

SKU: LRD3361 Categories: Contactor, Relay Thermal Kontaktor