Documentation & Downloads
Schneider Electric LRD03 TeSys Deca Thermal Overload Relay 690VAC 0.25-0.4A Class 10A
- MPN: LRD03
- PPN: SCH-LRD03
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Description
TeSys LRD thermal overload relay, 0.4A/690V, thermal setting range 0.25-0.4A, tripping class 10A, for protection of 3-phase motors 0.09kW@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
- Belonging to the premium TeSys Deca (formerly TeSys D) family, this module features a front-mounted adjustable dial with a precise thermal protection setting range of 0.25 to 0.4 Amps. It adheres strictly to Class 10A tripping characteristics conforming to IEC 60947-4-1, meaning it guarantees a reliable trip within 10 seconds during a locked-rotor or high-current stall condition.
- The faceplate is equipped with a transparent, sealable protective cover shielding a manual/automatic reset selector, a test button to simulate standard tripping, an independent stop button, and a visual trip indicator flag. It also houses an integrated 1 NO (Normally Open) + 1 NC (Normally Closed) auxiliary contact set, allowing the NC contact to drop out the main contactor coil while the NO contact simultaneously passes a fault signal to a PLC or pilot light.
Documentation & Downloads
Specifications
Additional
- Rated Operational Voltage
- 690 V AC 0...400 Hz power circuit IEC 60947-4-1
- Thermal Overload Class
- Class 10A IEC 60947-4-1
- Conventional Free Air Thermal Current
- 5 A signalling circuit
- Rated Insulation Voltage
- 600 V CSA, 600 V UL, 690 V IEC 60947-4-1 power circuit
- Phase Failure Sensitivity
- Tripping current 130% of Ir on two phase, the last one at 0
- Network Frequency
- 0...400 Hz
- Product Type
- differential thermal overload relay
- Range
- TeSys, TeSys Deca
- Mounting Support
- plate, with specific accessories; rail, with specific accessories; under contactor
- Control Type
- red push-button stop, blue push-button reset
- Height
- 66 mm (2.60 in)
- Net Weight
- 0.124 kg (0.27 lb)
- Tightening Torque
- 1.7 N·m screw clamp terminals for control and power circuits
- Storage Ambient Temperature
- -60 to 70 °C (-76 to 158 °F)
- Climatic Withstand
- IACS E10
- Flame Retardance
- V1 UL 94
- Standards
- IEC 60947-4-1, 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
- Compliance
- IEC, UL, CSA, CCC, EAC, ATEX, Marine, RoHS, REACh
- Eu RoHS Directive
- Compliant with Exemptions
- Environmental Disclosure
- ENVPEP080206EN
- Country of Origin
- France
Thermal Protection Adjustment Range0.25-0.4 A
Tripping Threshold1.14 ± 0.06 Ir IEC 60947-4-1
Permissible Current3 A 120 V AC-15 signalling circuit, 0.22 A 125 V DC-13 signalling circuit
Rated Impulse Withstand Voltage6 kV
Dielectric Strength1.89 kV 50 Hz IEC 60947-1
Relay Applicationmotor protection
Device Short NameLRD
Product NameTeSys LRD, TeSys Deca
Auxiliary Contact Composition1 NO + 1 NC
Width45 mm (1.77 in)
Depth70 mm (2.76 in)
Connections - Terminalscontrol circuit screw clamp terminals 2 1-2.5 mm² flexible/solid with or without cable end; power circuit screw clamp terminals 1 1-10 mm² flexible/solid with or without cable end
Operating Ambient Temperature-20 to 60 °C (-4 to 140 °F) without derating IEC 60947-4-1
Temperature Compensation-20 to 60 °C
IP Degree of ProtectionIP20 IEC 60529
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, LROS, ATEX INERIS, UKCA
RoHS Exemption InformationYes
China RoHS RegulationProduct out of China RoHS scope
Circularity ProfileENVEOLI0802006
Mercury FreeYes
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CAD
$124.05
/ EA
Available to Order
Available to Ship Same/Next Business Day if In Stock and Ordered before 12:00 PM EST
Company Stock:
0
Looking to buy a large quantity?
To view product inventory
CAD$124.05/ EA
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