Schneider Electric LRD3361 TeSys Deca Thermal Overload Relay, 55-70 A, Class 10A
Schneider Electric LRD3361 TeSys Deca Thermal Overload Relay, 55-70 A, Class 10A
- MPN: LRD3361
- PPN: SCH-LRD3361
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CAD$251.05/ EA
Description
TeSys LRD thermal overload relay, 70A/1000V, thermal setting range 55-70A, tripping class 10A, for protection of 3-phase motors 37kW@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).
Specifications
- Current Range
- 55-70 A
- Phase Failure Sensitivity
- Tripping current 130% of Ir on two phase, the last one at 0
- Thermal Overload Class
- Class 10A IEC 60947-4-1
- Tripping Threshold
- 1.14 ± 0.06 Ir IEC 60947-4-1
- Temperature Compensation Range
- -20 to 60 °C
- Dielectric Strength
- 2.2 kV 50 Hz IEC 60947-1
- IP Degree of Protection
- IP20 IEC 60529
- Height
- 81 mm
- Net Weight
- 0.51 kg
- Tightening Torque
- Control circuit 1.7 N.m, Power circuit 9 N.m screw clamp terminals
- Auxiliary Contacts
- 1 NO + 1 NC
- Vibrations
- 6 Gn IEC 60068-2-6
- Flame Retardance
- V1 UL 94
- Product Certifications
- IEC, UL, CSA, CCC, EAC, ATEX, INERIS, UKCA
- Temperature Operating Range
- -20 to 60 °C without derating IEC 60947-4-1
- Toxic Heavy Metal Free
- Yes
- REACH Compliant
- Yes
- Sustainable Offer Status
- Green Premium
Rated Operational Voltage1000 V AC 0...400 Hz power circuit IEC 60947-4-1
Network TypeDC, AC
Motor Power37 kW @ 400 V
Thermal Protection Adjustment Range55-70 A
Insulation VoltagePower circuit 1000 V IEC 60947-4-1, 600 V CSA, 600 V UL
Network Frequency0-400 Hz
Width70 mm
Depth115 mm
Terminal Wire SizePower circuit 4-35 mm², Control circuit 1-2.5 mm²
Mounting SupportPlate, rail with accessories, under contactor
Control TypeRed push-button stop, Blue push-button reset
Shocks15 Gn for 11 ms IEC 60068-2-7
Thermal Overload Relay TypeDifferential thermal overload relay
Standards ComplianceIEC 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
Temperature Storage Range-60 to 70 °C
RoHS CompliantYes
Mercury FreeYes
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