18D-4-20-11C产品概述
Variable output voltage controls the thermal output from electric constant resistance heaters. RMS output voltage may be controlled via manual potentiometer (included) or optional analog control signal. Used in closed loop configuration. Signalling Ranges Available (By Special Order): 1-5 mA, 2-10 mA, 4-20 mA, 12-20 mA, 10-50 mA. VDC clamping surge protection and full-rated operation standard in ambients to 122°F with no thermal derating. Output Voltage: 0-99% of input. Overall Efficiency: 98.5 to 99.5%. Note: The 480 V units are field adjustable for 120, 208/220/240 VAC operation.