Electronic thermal overload relays

SKU: LR9F5371

Specifications

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PRODUCT NAME: ​
Electronic thermal overload relays
PRODUCT NUMBER:
LR9F5371
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On-Demand
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DESCRIPTION

Description

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TeSys LR9F electronic overload relay, thermal setting range 132-220A, class 10, for protection of motors 90-110kW@400V. to be mounted directly below a TeSys F 3-pole contactor LC1 F185, F225, F265, use of a support mounting plate LA7F901 is recommended (to be ordered separately). Motor protection includes thermal overload of 1-phase and 3-phase motors, phase failure, phase unbalance, prolonged starting times, stalled rotor conditions. On the front of the relay, it provides a thermal adjustement dial, buttons for test, stop & reset, a trip indicator, trip auxiliary contacts 1NO+1NC. Multi standards certified (IEC, UL, CSA, CCC, Marine), Green Premium compliant (RoHs/Reach).

Specifications

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Main
RangeTeSys
Product nameTeSys LRF
Device short nameLR9F
Product or Component TypeElectronic thermal overload relay
Relay applicationMotor protection
Product CompatibilityLC1F185…LC1F265
Network typeAC
Thermal overload classClass 10 IEC 60947-4
Thermal protection adjustment range132…220 A
Complementary
Network Frequency50/60 Hz
Mounting supportDirect on contactor
Plate
Tripping threshold1.12 +/- 0.06 In tripping IEC 60947-4-1
Surge withstand4 kV IEC 61000-4-5
Contacts type and composition1 NO + 1 NC
[Ith] conventional free air thermal current5 A control circuit
[Ue] rated operational voltage1000 V AC 50/60 Hz power circuit VDE 0110 group C
[Ui] rated insulation voltagePower circuit 1000 V AC IEC 60947-4
[Uimp] rated impulse withstand voltage8 kV IEC 60947-1
Phase failure sensitivityTripping in 4 s +/- 20 % IEC 60947-4-1
ResetManual reset on front relay
Control typeDial White full-load current adjustment
Test button Red
Push-button Red reset
Push-button stop
Local signallingTrip indicator
Temperature compensation-4…158 °F (-20…70 °C)
Current consumption<= 5 mA no-load
switching capacity for alarm0…150 mA
Maximum voltage drop<2.5 V closed state
Connections – terminalsControl circuit screw clamp terminals 1 0.00…0.00 in² (0.75…2.5 mm²) flexible – with cable end
Control circuit screw clamp terminals 1 0.00…0.00 in² (0.75…2.5 mm²) solid
Control circuit screw clamp terminals 1 0.00…0.01 in² (0.75…4 mm²) flexible – without cable end
Control circuit screw clamp terminals 2 0.00…0.00 in² (1…1.5 mm²) flexible – with cable end
Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible – without cable end
Control circuit screw clamp terminals 2 0.00 in² (1 mm²) solid
Power circuit lugs-ring terminals M10
Tightening torqueControl circuit 1.2 N.m screw clamp terminals
Power circuit 35 N.m screw clamp terminals
Height3.98 in (101 mm)
Width4.53 in (115 mm)
Depth4.86 in (123.5 mm)
Net Weight2.09 lb(US) (0.95 kg)
Environment
StandardsIEC 60255-17
IEC 60947-4-1
IEC 60255-8
VDE 0660
EN 60947-4-1
Product CertificationsUL
CSA
UKCA
Protective treatmentTH
IP degree of protectionIP20 conforming to IEC 60529
IP20 conforming to VDE 0106
Ambient air temperature for operation-4…131 °F (-20…55 °C) IEC 60255-8
Ambient Air Temperature for Storage-40…185 °F (-40…85 °C)
Operating altitude<= 6561.68 ft (2000 m) without derating
Fire resistance1562 °F (850 °C) IEC 60695-2-1
Mechanical robustnessShocks13 Gn for 11 ms IEC 60068-2-7
Vibrations 5…300 Hz2 GN IEC 60068-2-6
Dielectric strength6 kV 50 Hz IEC 255-5
Electromagnetic compatibilityResistance to electrostatic discharge 6 kV in indirect mode IEC 61000-4-2
Resistance to electrostatic discharge 8 kV in air IEC 61000-4-2
Radiated radio-frequency electromagnetic field immunity test 10 V/m IEC 61000-4-3
Fast transients immunity test 2 kV IEC 61000-4-4
Ordering and shipping details
Category22334-CONTACTOR,F-LINE,OVERLOADS
Discount ScheduleI12
GTIN3389110566017
ReturnabilityYes
Country of originFR
Packing Units
Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height5.91 in (15.000 cm)
Package 1 Width6.50 in (16.500 cm)
Package 1 Length5.12 in (13.000 cm)
Package 1 Weight2.28 lb(US) (1.035 kg)
Unit Type of Package 2S04
Number of Units in Package 211
Package 2 Height11.81 in (30 cm)
Package 2 Width15.75 in (40 cm)
Package 2 Length23.62 in (60 cm)
Package 2 Weight26.52 lb(US) (12.030 kg)
Unit Type of Package 3P06
Number of Units in Package 344
Package 3 Height29.53 in (75.000 cm)
Package 3 Width23.62 in (60.000 cm)
Package 3 Length31.50 in (80.000 cm)
Package 3 Weight130.18 lb(US) (59.048 kg)
Contractual warranty
Warranty18 months

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