Schneider Electric LRD06 TeSys Deca Thermal Overload Relay 690VAC 1-1.6A Class 10A 1NO+1NC
Schneider Electric LRD06 TeSys Deca Thermal Overload Relay 690VAC 1-1.6A Class 10A 1NO+1NC
- MPN: LRD06
- PPN: SCH-LRD06
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CAD$124.05/ EA
Description
TeSys LRD thermal overload relay, 1.6A/690V, thermal setting range 1-1.6A, tripping class 10A, for protection of 3-phase motors 0.55kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1D09-D38. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD7B106 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).
Features
- The Schneider LRD06 is a bimetallic thermal overload relay designed to protect AC motors from overloads, phase failure, and prolonged stalling. It is specifically engineered to mount directly beneath a TeSys D contactor (models LC1D09 through LC1D38), creating a seamless and coordinated motor starter assembly.
- The LRD06 features a precise adjustment dial covering a current range of 1.0 to 1.6 Amps. This low-amperage range is ideal for protecting small fractional-horsepower motors, such as those found in small pumps, specialized fans, or precision conveyor systems, where accurate calibration is essential to prevent motor burnout.
- This relay includes a differential trip mechanism that monitors all three phases. If one phase is lost (single-phasing) or if there is a significant current imbalance, the LRD06 will trip the circuit faster than a standard overload relay. This proactive protection prevents the rapid heat buildup that leads to catastrophic internal motor damage.
- The unit features a blue Reset/Selector button that allows you to choose between Manual (H) or Automatic (A) reset. In Manual mode, the relay stays tripped until an operator inspects the motor and pushes the button; in Automatic mode, it resets itself once the internal bimetallic strips have cooled, which is useful for automated systems in hard-to-reach locations.
- For easier commissioning, the LRD06 includes a red Stop button and a Test trip slide. The Stop button manually opens the NC (Normally Closed) contact to stop the motor, while the Test function simulates a trip to verify that your auxiliary alarm or PLC signaling circuits are functioning correctly without needing to physically overheat the motor.
Specifications
- Thermal Protection Adjustment Range
- 1-1.6 A
- Thermal Overload Class
- Class 10A IEC 60947-4-1
- Product Or Component Type
- Differential thermal overload relay
- Network Type
- DC, AC
- Tripping Threshold
- 1.14 ± 0.06 Ir IEC 60947-4-1
- Permissible Current
- 3 A 120 V AC-15 signalling circuit, 0.22 A 125 V DC-13 signalling circuit
- Phase Failure Sensitivity
- Tripping current 130% of Ir on two phases, last one at 0
- Control Type
- Red push-button stop, Blue push-button reset
- Connection Type
- Screw clamp terminals
- Tightening Torque
- 1.7 N·m screw clamp terminals
- Width
- 45 mm (1.77 in)
- Net Weight
- 0.124 kg (0.27 lb)
- Ambient Air Temperature for Operation
- -20 to 60 °C without derating IEC 60947-4-1
- Flame Retardance
- V1 UL 94
- Dielectric Strength
- 1.89 kV 50 Hz IEC 60947-1
- RoHS Compliance
- Compliant with exemptions, product out of China RoHS scope
- Environmental Disclosure
- ENVPEP080206EN
- Climatic Withstand
- IACS E10
- Mounting Support
- Plate, rail with accessories, under contactor
- Device Short Name
- LRD
- Reach Regulation
- Contains SVHC above threshold
- WEEE
- EU disposal compliance
Rated Operational Voltage690 V AC 0-400 Hz power circuit IEC 60947-4-1
Auxiliary Contact Composition1 NO + 1 NC
Relay ApplicationMotor protection
Network Frequency0-400 Hz
Conventional Free Air Thermal Current5 A signalling circuit
Impulse Withstand Voltage6 kV
Rated Insulation Voltage600 V CSA/UL power circuit, 690 V IEC 60947-4-1
Temperature Compensation-20 to 60 °C IEC 60947-4-1
Terminal Cable SizeControl circuit: 1-2.5 mm² flexible/solid; Power circuit: 1.5-10 mm² flexible, 1-6 mm² solid
Height66 mm (2.60 in)
Depth70 mm (2.76 in)
IP Degree of ProtectionIP20 IEC 60529
Ambient Air Temperature for Storage-60 to 70 °C
Mechanical RobustnessVibrations 6 Gn IEC 60068-2-6, Shocks 15 Gn for 11 ms IEC 60068-2-7
Product CertificationsIEC, UL, CSA, CCC, EAC, BV, RINA, DNV-GL, Lloyds Register, ATEX INERIS, UKCA
Mercury FreeYes
Circularity ProfileENVEOLI0802006
RangeTeSys, TeSys Deca
Product CompatibilityLC1D09, LC1D12, LC1D18, LC1D25, LC1D32, LC1D38
Warranty18 months
Sustainable Offer StatusGreen Premium product
Associated Fuse Rating4 A gG, 4 A BS for signalling circuit
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