Schneider Electric AG13U000 : Erie PopTop Spring Return Actuator, 230 VAC, On/Off, Normally Closed, Power (Open or Close): 9 to 11 Seconds, Spring Return (Open or Close): 4 to 5 Seconds, 32 to 200°F (Fluid) @ 104°F (Ambient) (0 to 93°C @40°C), NEMA 1 Enclosure