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TeSys LRF - electronic thermal overload relay - 300...500 A - class 10 - LR9F7379

LR9F7379

Obsolete product, here is the proposed substitution for the reference LR9F7379 : LR9G500
Technical informations
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: 300...500 A
Network frequency: 50/60 Hz
Mounting support: Direct on contactorPlate
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
Rated power in W: 100 VA at 24 V AC100 W at 24 V DC100 W at 48 V DC200 VA at 48 V AC25 W at 440 V DC400 VA at 110 V AC45 W at 220 V DC50 W at 110 V DC600 VA at 220 V AC600 VA at 380 V AC600 VA at 600 V AC
[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 on front relay
Control type: Dial white full-load current adjustmentTest button redPush-button red resetPush-button stop
Local signalling: Trip indicator
Temperature compensation: -20...70 °C
Current consumption:
Switching capacity in mA: 0...150 mA
Maximum voltage drop:
Connections - terminals: Control circuit: screw clamp terminals 1 cable 0.75...2.5 mm² - cable stiffness: flexible - with cable endControl circuit: screw clamp terminals 1 cable 0.75...2.5 mm² - cable stiffness: solidControl circuit: screw clamp terminals 1 cable 0.75...4 mm² - cable stiffness: flexible - without cable endControl circuit: screw clamp terminals 2 cable 1...1.5 mm² - cable stiffness: flexible - with cable endControl circuit: screw clamp terminals 2 cable 1...2.5 mm² - cable stiffness: flexible - without cable endControl circuit: screw clamp terminals 2 cable 1 mm² - cable stiffness: solidPower circuit: lugs-ring terminals M10
Tightening torque: Control circuit: 1.2 N.m on screw clamp terminalsPower circuit: 35 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
In short
Reference LR9F7379
Product Name TeSys LRF - electronic thermal overload relay - 300...500 A - class 10 - LR9F7379
Range TeSys
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