... (3-pole ,30A ) are ideal forHVAC air conditioning, refrigeration, heating, data processing, welding, elevators, hoists & cranes, lighting, pools & spas and food ... are optional.***Permissible Ambient Temperature: -40/65 -40F/150F COIL TECHNICAL DATA 50/60hzHLC Series Nominal Coil Voltage24120208/240277480 Maximum Pickup Volts1888177220384 ...