Schneider LRD01 TeSys Deca Thermal Overload Relay 0.1-0.16A

The Schneider Electric LRD01 is a TeSys LRD differential thermal overload relay designed for motor protection, with a current setting range of 0.1 to 0.16 A and tripping class 10A per IEC 60947-4-1. It mounts directly below compatible TeSys D contactors and operates on both AC and DC networks across the full frequency range of 0 to 400 Hz.

Technical specifications:

• Commercial reference: LRD01
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys LRD / TeSys Deca
• Product type: Differential thermal overload relay
• Relay function: Motor protection
• Thermal overload setting: 0.1...0.16 A
• Tripping class: Class 10A per IEC 60947-4-1
• Tripping threshold: 1.14 +/- 0.06 Ir per IEC 60947-4-1
• Network type: AC / DC
• Network frequency: 0...400 Hz
• Rated voltage [ue]: 690 V AC for power circuit per IEC 60947-4-1
• Rated insulation voltage [ui]: 690 V per IEC 60947-4-1; 600 V per UL / CSA
• Rated impulse withstand voltage [uimp]: 6 kV
• Auxiliary contact: 1 NO + 1 NC
• Thermal current [ith]: 5 A for signal circuit
• Associated fuse: 4 A gG / 4 A BS for signal circuit
• Control: Red button (stop), Blue button (reset)
• Connection type: Screw terminal blocks - power circuit 1 cable 1...6 mm² single-core; control circuit 2 cables 1...2.5 mm²
• Tightening torque: 1.7 N.m (power and control circuits)
• Compatible contactors: LC1D09, LC1D12, LC1D18, LC1D25, LC1D32, LC1D38
• Mounting: Below contactor, plate or DIN rail (with accessories)
• Dimensions (W x H x D): 45 x 66 x 70 mm
• Weight: 0.124 kg
• IP protection: IP20 per IEC 60529
• Operating temperature: -20...60°C per IEC 60947-4-1
• Storage temperature: -60...70°C
• Dielectric strength: 1.89 kV at 50 Hz per IEC 60947-1
• Flame resistance: V1 per UL 94
• Certifications: IEC, UL, CSA, CCC, EAC, BV, RINA, DNV-GL, LROS, ATEX INERIS, UKCA

Features and benefits:

• Phase loss sensitivity: triggers at 130% of Ir with two phases active and the third at zero
• Temperature compensation across -20...60°C ensures consistent tripping characteristics
• Direct mounting below TeSys D contactors reduces panel space and wiring
• Vibration resistance to 6 Gn and shock resistance to 15 Gn for 11 ms suits demanding industrial environments
• Wide certification portfolio including ATEX INERIS and marine classifications (DNV-GL, RINA, LROS)

Applications:

• Protection of small fractional-horsepower motors in conveyor and automation systems
• Motor starter assemblies paired with TeSys D LC1D contactors in control panels
• HVAC and pump motor circuits requiring reliable thermal overload protection
• Marine and hazardous-area installations requiring ATEX or marine-certified components

Compliant with EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, GB/T 14048.4, and EN 50495. Part of the Schneider Electric TeSys Deca range.

Also known as: Schneider LRD01, Schneider Electric LRD01, TeSys thermal relay 0.16A, motor overload relay LRD01.