Hayward Flow Control's HRS actuators

HRS electric fail-safe actuators include integral battery backup and supercapacitor reserve power supplies. Actuators are available up to 440 in-lbs torque in the HRS2 series. HRSN3 Series offers internal battery backup systems up to 1,770 in-lbs, with HRSN4 series providing up to 8,850 in-lbs on reserve battery power. All models are offered in 24 VAC/VDC in on/off and proportional, modes. Optional remote-mounted transformers handle 120 VAC and 230 VAC installations.