Documentation & Downloads
Schneider Electric LRD3365 TeSys Deca Thermal Overload Relay, 80-104A, Class 10A, IP20
- MPN: LRD3365
- PPN: SCH-LRD3365
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$333.32
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Description
TeSys LRD thermal overload relay, 104A/1000V, thermal setting range 80-104A, tripping class 10A, for protection of 3-phase motors 45kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector acting also as reset button, a trip test button for simulation of a tripping, a stop button, 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 LC1D80-D95. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LA7D3064 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).
Features
- Engineered for seamless integration, the LRD3365 mounts directly to the underside of TeSys Deca (formerly TeSys D) contactors—specifically sizes LC1D80 through LC1D95. This plug-and-play design eliminates the need for additional DIN rail space or complex wiring, significantly reducing installation time and cabinet clutter.
- Featuring a precision-calibrated dial with a wide 80–104A setting range, this relay allows you to match the protection exactly to your motor's Full Load Amps (FLA). By providing a tailored defense against overcurrent and phase unbalance, it prevents premature motor burnout while minimizing nuisance tripping that halts production.
- This relay includes advanced differential tripping circuitry that detects phase loss or significant current imbalance in three-phase systems. This critical safety feature trips the circuit before heat buildup can damage motor windings, saving you thousands in repair costs and unscheduled industrial downtime.
- Equipped with a selectable blue reset button, the LRD3365 allows you to choose between manual intervention for high-stakes machinery or automatic reset for remote applications. The integrated "Stop" button and "Test" function enable electricians to verify control circuit integrity without waiting for a thermal event, ensuring your safety protocols are always operational.
Documentation & Downloads
Specifications
Additional
- Current Rating
- 80-104 A
- Tripping Threshold
- 1.14 ± 0.06 Ir IEC 60947-4-1
- Rated Operational Voltage
- 1000 V AC 0...400 Hz IEC 60947-4-1
- Impulse Withstand Voltage
- 6 kV IEC 60947-1
- Conventional Free Air Thermal Current
- 5 A signalling circuit
- Phase Failure Sensitivity
- Tripping current 130% of Ir on two phases, last one at 0
- Network Frequency
- 0...400 Hz
- Mounting Support
- plate, with specific accessories; rail, with specific accessories; under contactor
- Dimensions (HxWxD)
- 81 mm x 70 mm x 115 mm (3.19 in x 2.76 in x 4.53 in)
- Control Type
- Red push-button stop, Blue push-button reset
- Ambient Air Temperature for Operation
- -20 to 60 °C without derating IEC 60947-4-1
- Mechanical Robustness
- Vibrations 6 Gn IEC 60068-2-6, Shocks 15 Gn for 11 ms IEC 60068-2-7
- Flame Retardance
- V1 UL 94
- 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
- Reach Regulation
- Free of Substances of Very High Concern above threshold
- Country of Origin
- France
- Toxic Heavy Metal Free
- Yes
- Environmental Disclosure
- ENVPEP110101EN
- Product Name
- TeSys LRD, TeSys Deca
- Warranty
- 18 months
- Associated Fuse Rating
- 4 A gG or 4 A BS for signalling circuit
Thermal Overload ClassClass 10A IEC 60947-4-1
Motor Protection Power45 kW @ 400 V
Rated Insulation Voltage1000 V IEC 60947-4-1 power circuit
Thermal Protection Adjustment Range80-104 A
Permissible Current0.72 A 500 V AC-15 signalling circuit, 0.06 A 440 V DC-13 signalling circuit
Network TypeAC, DC
Thermal Setting Range80-104 A
Connection TypeScrew clamp terminals 1 4-35 mm² flexible or solid, control circuit 1-2.5 mm², with or without cable end
Net Weight0.51 kg (1.12 lb)
Temperature Compensation-20 to 60 °C
Ambient Air Temperature for Storage-60 to 70 °C
IP RatingIP20 IEC 60529
Dielectric Strength2.2 kV 50 Hz IEC 60947-1
Product CertificationsIEC, UL, CSA, CCC, EAC, ATEX INERIS, UKCA
RoHS ComplianceCompliant
Mercury FreeYes
Circularity ProfileENVEOLI1101001
RangeTeSys
Device Short NameLRD
Sustainable Offer StatusGreen Premium product
Relay Applicationmotor protection
Accessories
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CAD
$333.32
/ EA
Available to Order
Lead times may vary. For an accurate estimate please contact us.
Company Stock:
0
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