Product data sheet
Characteristics
LR9F7375
TeSys LRF - electronic thermal overload relay -
200...330 A - class 10
Main
Range TeSys
Product name TeSys LRF
Device short name LR9F
Product or component type Electronic thermal overload relay
Relay application Motor protection
Product compatibility LC1F225...LC1F500
Network type AC
Thermal overload class Class 10 conforming to IEC 60947-4
Thermal protection adjustment range 200...330 A
Complementary
Network frequency 50/60 Hz
Supply voltage limits 17...32 V
Mounting support Plate
Tripping threshold 1.12 +/- 0.06 In tripping conforming to IEC 60947-4-1
Surge withstand 4 kV conforming to IEC 61000-4-5
Contacts type and composition 1 NO + 1 NC
[Ith] conventional free air thermal
current
Rated power in W 100 VA AC 24 V
[Ue] rated operational voltage 1000 V AC 50/60 Hz for power circuit conforming to VDE 0110 group C
[Ui] rated insulation voltage 1000 V AC power circuit conforming to IEC 60947-4
[Uimp] rated impulse withstand voltage 8 kV conforming to IEC 60947-1
Phase failure sensitivity Tripping in 4 s +/- 20 % conforming to IEC 60947-4-1
May 30, 2018
Direct on contactor
5 A for control circuit
100 W DC 24 V
100 W DC 48 V
200 VA AC 48 V
25 W DC 440 V
400 VA AC 110 V
45 W DC 220 V
50 W DC 110 V
600 VA AC 220 V
600 VA AC 380 V
600 VA AC 600 V
Disclaimer: This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications
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Reset Manual reset on front relay
Control type Dial white full-load current adjustment
Local signalling Trip indicator
Temperature compensation -20...70 °C
Current consumption <= 5 mA no-load
Switching capacity in mA 0...150 mA
Voltage drop 2.5 V closed state
Connections - terminals Control circuit : screw clamp terminals 1 cable 0.75...2.5 mm² - cable stiffness: solid
Tightening torque Control circuit : 1.2 N.m - on screw clamp terminals
Height 136.8 mm
Width 150 mm
Depth 127.6 mm
Product weight 2.32 kg
Compatibility code LR9F
Test button red
Push-button red reset
Push-button stop
Control circuit : screw clamp terminals 2 cable 1 mm² - cable stiffness: solid
Control circuit : screw clamp terminals 1 cable 0.75...2.5 mm² - cable stiffness: flexible - with cable
end cable end
Control circuit : screw clamp terminals 1 cable 0.75...4 mm² - cable stiffness: flexible - without cable
end cable end
Control circuit : screw clamp terminals 2 cable 1...1.5 mm² - cable stiffness: flexible - with cable end
cable end
Control circuit : screw clamp terminals 2 cable 1...2.5 mm² - cable stiffness: flexible - without cable
end cable end
Power circuit : lugs-ring terminals M10
Power circuit : 35 N.m - on screw clamp terminals
Environment
Standards VDE 0660
Product certifications CSA
Protective treatment TH
IP degree of protection IP20 conforming to VDE 0106
Ambient air temperature for operation -20...55 °C conforming to IEC 60255-8
Ambient air temperature for storage -40...85 °C
Operating altitude <= 2000 m without derating
Fire resistance 850 °C conforming to IEC 60695-2-1
Mechanical robustness Shocks 13 Gn for 11 ms conforming to IEC 60068-2-7
Dielectric strength 6 kV at 50 Hz conforming to IEC 255-5
Electromagnetic compatibility Radiated radio-frequency electromagnetic field immunity test 10 V/m conforming to IEC 61000-4-3
EN 60947-4-1
IEC 60255-17
IEC 60255-8
IEC 60947-4-1
UL
IP20 conforming to IEC 60529
Vibrations 5...300 Hz 2 Gn conforming to IEC 60068-2-6
Resistance to electrostatic discharge 6 kV in indirect mode conforming to IEC 61000-4-2
Resistance to electrostatic discharge 8 kV in air conforming to IEC 61000-4-2
Fast transients immunity test 2 kV conforming to IEC 61000-4-4
Contractual warranty
Warranty period 18 months
2
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