Littelfuse 50R4003 is a versatile and reliable product suitable for pilot duty (470 VA @ 600 Volts) and general purpose (10 A @ 240 Volts) applications. It features torque termination (7 in-lbs) and wire size compatibility (12-18 AWG). It operates at both 50 and 60 Hz, with delayed timers increased by 20% at 50 Hz. With a wide humidity range, non-condensing (10-95%), it is suitable for various environments. The undervoltage trip voltage is 90% with a delay range of 2-30 s. The maximum input power is 5 and restart delays are 2 s for undervoltage and complete power loss. The undervoltage reset voltage is set at 93%.