TeSys LRD thermal overload relays - 95...120 A - class 10A
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TeSys LRD thermal overload relays - 95...120 A - class 10A
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Description
TeSys LRD thermal overload relay, 120A/1000V, thermal setting range 95-120A, tripping class 10A, for protection of 3-phase motors 55kW@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 LC1D115-D150. 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).
Product Details
[ue] Rated Operational Voltage | 1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1 |
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[ui] Rated Insulation Voltage | power circuit: 1000 V conforming to IEC 60947-4-1 |
[uimp] Rated Impulse Withstand Voltage | 6 kV conforming to IEC 60947-1 |
Ambient Air Temperature for Operation | -20-60 °C without derating conforming to IEC 60947-4-1 |
Ambient Air Temperature for Storage | -60-70 °C |
Climatic Withstand | conforming to IACS E10 |
Compatibility Code | LRD |
Control Type | red push-button: stop |
Depth | 132 mm |
Device Short Name | LRD |
Dielectric Strength | 2.2 kV at 50 Hz conforming to IEC 60947-1 |
Flame Retardance | V1 conforming to UL 94 |
Height | 15.2 cm |
Ip Degree of Protection | IP20 conforming to IEC 60529 |
Mechanical Robustness | vibrations: 6 Gn conforming to IEC 60068-2-6 |
Mounting Support | plate, with specific accessories |
Net Weight | 0.9 kg |
Network Frequency | 0...400 Hz |
Network Type | AC|DC |
Product Certifications | IEC |
Product Compatibility | LC1D150 |
Product Name | TeSys LRD |
Product or Component Type | differential thermal overload relay |
Range | TeSys |
Standards | EN/IEC 60947-4-1 |
Tightening Torque | control circuit: 1.7 N.m - on screw clamp terminals |
Width | 13.8 cm |
Connections - Terminals | power circuit: screw clamp terminals 1 cable(s) 4-35 mm² flexible with cable end |
[ith] Conventional Free Air Thermal Current | 5 A for signalling circuit |
Associated Fuse Rating | 4 A gG for signalling circuit |
Auxiliary Contact Composition | 1 NO + 1 NC |
Permissible Current | 0.06 A at 440 V DC-13 for signalling circuit |
Phase Failure Sensitivity | tripping current 130 % of Ir on two phase, the last one at 0 |
Relay Application | motor protection |
Temperature Compensation | -20-60 °C |
Thermal Overload Class | class 10A conforming to IEC 60947-4-1 , class 10A conforming to IEC 60947-4-1 |
Thermal Protection Adjustment Range | 95-120 A |
Tripping Threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
Range | TeSys |
Product Compatibility | LC1D150|LC1D115 |
[ui] Rated Insulation Voltage | power circuit: 1000 V conforming to IEC 60947-4-1 , power circuit: 1000 V conforming to IEC 60947-4-1 , power circuit: 1000 V conforming to IEC 60947-4-1 , power circuit: 600 V conforming to CSA , power circuit: 600 V conforming to CSA , power circuit: 600 V conforming to CSA , power circuit: 600 V conforming to UL , power circuit: 600 V conforming to UL , power circuit: 600 V conforming to UL |
Length | 10.2 cm |
Activity | PPCTR |