TeSys LRD thermal overload relays - 60...100 A - class 10

LR9D5367
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Description

TeSys LR9D electronic overload relay, 100A/1000V, thermal setting range 60-100A, tripping class 10, for protection of 3-phase motors 37-45kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, buttons for test, stop and reset, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by bolt terminals for bars or cables with lugs, it connects directly to the bottom terminals of 3-pole contactors LC1D115, D150. Mounting on DIN rail or screw fixing, separated from contactor, can be done without accessories. Multi-standards certified (IEC, UL, CSA, CCC, Marine), Green Premium compliant (RoHs/Reach).

Product Details

[ue] Rated Operational Voltage 690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
[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
[us] Rated Supply Voltage 24 V DC
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 LR9D
Control Type red push-button: stop
Depth 125 mm
Device Short Name LR9D
Dielectric Strength 1.89 kV at 50 Hz conforming to IEC 60947-1
Height 15.0 cm
Ip Degree of Protection IP20 conforming to IEC 60529
Mechanical Robustness vibrations: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6
Mounting Support under contactor
Net Weight 0.885 kg
Network Frequency 50...60 Hz
Network Type AC
Product Certifications UL
Product Compatibility LC1D115
Product Name TeSys LRD
Product or Component Type electronic thermal overload relay
Range TeSys
Standards EN/IEC 60947-4-1
Tightening Torque alarm circuit: 0.45 N.m - on screw clamp terminals
Width 16.0 cm
Connections - Terminals power circuit: bars
[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
Maximum Voltage Drop <2.5 V closed state
Operating Altitude <= 2000 m without derating
Phase Failure Sensitivity tripping in 4 s +/- 20 % conforming to IEC 60947-4-1
Relay Application motor protection
Signalling Function alarm
Supply Voltage Limits 17-32 V
Switching Capacity in Ma 0...150 mA
Temperature Compensation -20-60 °C
Thermal Overload Class class 10 conforming to IEC 60947-4-1 , class 10 conforming to IEC 60947-4-1
Thermal Protection Adjustment Range 60-100 A
Tripping Threshold 1.05 +/- 0.06 In alarm conforming to IEC 60947-4-1
Range TeSys
Product Compatibility LC1D115|LC1D150|NSX circuit breaker
[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 13.0 cm
Activity PPCTR

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