Solid-State Switching Devices for Resistive Loads Solid-State Contactors 3RF24 solid-state contactors, three-phase Derating curves, three-phase controlled 14 36 e in A 12 P M in W 33 10 Module power loss 30 27 8 24 21 6 18 15 4 12 2 NSB0_01680 9 6 0 0 3 0 10 20 30 40 50 60 Device current Ambient temperature T a in °C 0 2 4 6 8 10 12 e in A Type current 10.5 A (3RF24 10-.AC..) 25 75 e in A P M in W 65 70 20 Module power loss 55 60 15 45 50 35 40 10 25 30 5 20 15 NSB0_01681 10 0 5 0 0 10 20 30 40 50 60 0 3 6 9 15 18 12 21 24 Type current 20 A (3RF24 20-.AC..) Device current Ambient temperature T a in °C e in A 40 110 e in A 35 P M in W 100 90 30 Module power loss 80 25 60 70 20 50 15 30 40 10 5 NSB0_01682 20 0 10 0 0 10 20 30 40 50 60 Device current Ambient temperature T a in °C 0 4 8 16 20 12 e in A 24 28 32 36 Type current 30 A (3RF24 30-.AC..) 1) 1) Identical current/temperature curves for stand-alone and side-by-side installation.
40 Siemens · 2009