LRD10 Thermal Overload 4-29-00-0755
TeSys LRD thermal overload relay, 6A/690V, thermal setting range 4-6A, tripping class 10A, for protection of 3-phase motors 2.2kW@400V. Differential device with phase failure (loss). 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).
- Range:
- Product Name:
- Product or Component Type: Differential thermal overload relay
- Device Short Name: LRD
- Relay Application: Motor protection
- Product Compatibility:
- LC1D09
- LC1D32
- LC1D38
- LC1D12
- LC1D18
- LC1D25
- Network Type:
- Thermal Overload Class: Class 10A conforming to IEC 60947-4-1
- Thermal Protection Adjustment Range: 4…6 A
- [Ui] Rated Insulation Voltage:
- Power circuit: 600 V conforming to CSA
- Power circuit: 600 V conforming to UL
- Power circuit: 690 V conforming to IEC 60947-4-1
- Network Frequency: 0...400 Hz
- Mounting Support:
- Plate, with specific accessories
- Rail, with specific accessories
- Under contactor
- Tripping Threshold: 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
- Auxiliary Contact Composition: 1 NO + 1 NC
- [Ith] Conventional Free Air Thermal Current: 5 A for signalling circuit
- Permissible Current:
- 3 A at 120 V AC-15 for signalling circuit
- 0.22 A at 125 V DC-13 for signalling circuit
- [Ue] Rated Operational Voltage: 690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
- Associated Fuse Rating:
- 4 A gG for signalling circuit
- 4 A BS for signalling circuit
- [Uimp] Rated Impulse Withstand Voltage: 6 kV
- Phase Failure Sensitivity: Tripping current 130 % of Ir on two phase, the last one at 0
- Control Type:
- Red push-button: stop
- Blue push-button: reset
- Temperature Compensation: -20…60 °C
- Connections - Terminals:
- Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible without cable end
- Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible with cable end
- Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid without cable end
- Power circuit: screw clamp terminals 1 cable(s) 1.5…10 mm² flexible without cable end
- Power circuit: screw clamp terminals 1 cable(s) 1…4 mm² flexible with cable end
- Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² solid without cable end
- Tightening Torque:
- Control circuit: 1.7 N.m - on screw clamp terminals
- Power circuit: 1.7 N.m - on screw clamp terminals
- Dimensions
- Height: 66 mm
- Width: 45 mm
- Depth: 70 mm
- Net Weight: 0.124 kg
- Climatic Withstand: Conforming to IACS E10
- IP Degree of Protection: IP20 conforming to IEC 60529
- Ambient Air Temperature for Operation: -20…60 °C without derating conforming to IEC 60947-4-1
- Ambient Air Temperature for Storage: -60…70 °C
- Flame Retardance: V1 conforming to UL 94
- Mechanical Robustness:
- Vibrations: 6 Gn conforming to IEC 60068-2-6
- Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
- Dielectric Strength: 1.89 kV at 50 Hz conforming to IEC 60947-1
- 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
- Product Certifications:
- IEC
- UL
- CSA
- CCC
- EAC
- BV
- RINA
- DNV-GL
- LROS (Lloyds Register of Shipping)
- ATEX INERIS
- UKCA