LR9F57 - TeSys LRF - electronic thermal overload relay - 30...50 A - class 10/20

MAIN CHARACTERISTICS range TESYS product name TESYS LRF device short name LR9F product or component type ELEC THERMAL OVERLOAD RELAY relay application MOTOR PROTECTION product compatibility LC1F115..LC1F185 network type AC thermal overload class CLASS 1020 CONFORMING TO IEC 60947-4 thermal protection adjustment range 30...50 A signalling function PRE-ALARM INDICATOR COMPLEMETARY CHARACTERISTICS network frequency 50 60 HZ [Us] rated supply voltage 24 V DC supply voltage limits 17...32 V mounting support DIRECT ON CONTACTOR tripping threshold 1.05 +- 0.06 IN ALARM 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 maximum power 100 VA AC 24 V [Ue] rated operational voltage 1000 V AC 5060 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 reset MANUAL RESET control type DIAL WHITE FULL-LOAD CURRENT ADJUSTMENT local signalling ALARM temperature compensation -20...70 C current consumption