Schneider-Electric
 
LR9F7579 picture- web-product-data-sheet
LR9F7579
TeSys LRF - electronic thermal overload relay - 300...500 A - class 20
Schneider Electric
Characteristics
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 20 conforming to IEC 60947-4
Thermal protection adjustment range 300…500 A
Signalling function Pre-alarm indicator
Complementary
Network frequency 50/60 Hz
Mounting support Direct on contactor
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 5 A for control circuit
[Ue] rated operational voltage 1000 V AC 50/60 Hz for power circuit conforming to VDE 0110 group C
[Ui] rated insulation voltage Power circuit: 1000 V AC 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
Reset Manual reset
Control type Dial white full-load current adjustment
Test button red
Push-button red reset
Push-button stop
Local signalling Trip indicator
Temperature compensation -20…70 °C
Current consumption <= 5 mA no-load
Switching capacity for alarm 0...150 mA
Maximum voltage drop <2.5 V closed state
Connections - terminals Control circuit: screw clamp terminals 1 cable 0.75…2.5 mm² - cable stiffness: flexible - with cable end
Control circuit: screw clamp terminals 1 cable 0.75…2.5 mm² - cable stiffness: solid
Control circuit: screw clamp terminals 1 cable 0.75…4 mm² - cable stiffness: flexible - without cable end
Control circuit: screw clamp terminals 2 cable 1…1.5 mm² - cable stiffness: flexible - with cable end
Control circuit: screw clamp terminals 2 cable 1…2.5 mm² - cable stiffness: flexible - without cable end
Control circuit: screw clamp terminals 2 cable 1 mm² - cable stiffness: solid
Power circuit: lugs-ring terminals M10
Tightening torque Control circuit: 1.2 N.m on screw clamp terminals
Power circuit: 35 N.m on screw clamp terminals
Height 136.8 mm
Width 150 mm
Depth 127.6 mm
Net weight 2.32 kg
Environment
Standards VDE 0660
IEC 60255-8
IEC 60947-4-1
IEC 60255-17
EN 60947-4-1
Product certifications UL
CSA
UKCA
Protective treatment TH
IP degree of protection IP20 conforming to IEC 60529
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
Vibrations 5...300 Hz: 2 GN conforming to IEC 60068-2-6
Dielectric strength 6 kV 50 Hz conforming to IEC 255-5
Electromagnetic compatibility 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
Radiated radio-frequency electromagnetic field immunity test: 10 V/m conforming to IEC 61000-4-3
Fast transients immunity test: 2 kV conforming to IEC 61000-4-4
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 17.0 cm
Package 1 Width 17.5 cm
Package 1 Length 18.0 cm
Package 1 Weight 1.979 kg
Unit Type of Package 2 S04
Number of Units in Package 2 6
Package 2 Height 30.0 cm
Package 2 Width 40.0 cm
Package 2 Length 60.0 cm
Package 2 Weight 12.635 kg
Offer Sustainability
Sustainable offer status Green Premium product
REACh Regulation
print REACh Declaration
EU RoHS Directive Compliant with Exemptions
Mercury free Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration
Environmental Disclosure
print Product Environmental Profile
Circularity Profile
print End of Life Information
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
California proposition 65 WARNING: This product can expose you to chemicals including: Antimony oxide & Antimony trioxide, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
Contractual warranty
Warranty 18 months