True RMS AC Current TransducerSpecifications Basic Accuracy:.. 0.5% Frequency Range:.. 20 Hz - 5 KHz Calibration:.. True RMS Sensing MTBF:.. Greater than 100 K hours Thermal Drift:.. 500 PPM/°C Cleaning:.. Water-dampened cloth Operating Temperature:.. 0°C to +60°C Supply Voltage:.. 24 Vdc ±10% Installation Catagory:.. CAT II Output Load:.. 4-20 mA dc - 0 to 300 Ω Polution Degree:... 2 0-5 Vdc - 2K Ω or Greater Insulation Voltage:.. 2500 Vdc Response Time:... 250 ms max. 0-90% FS Altitude:... 2000 meter max. Relative Humidity:.. 80% for temperatures up to 31°C and decreasing linearly to 50% at 40°C Connection DrawingsCR4110 One Element 0 - 5 Vdc Output CR4120 One Element 4 - 20 mA DC Output CR4150 Two Element 0 - 5 Vdc Output CR4160 Two Element 4 - 20 mA DC Output CR4170 Three Element 0 - 5 Vdc Output CR4180 Three Element 4 - 20 mA DC Output Note: The building installation must have a switch or circuit-breaker that is in close proximity and within easy reach of the operator. The switch or circuit breaker shall be marked as the disconnecting device for the equipment. Outline Drawing 1 hole, 0.79 (20) Dia. for CR4110 & CR4120, shown 2 holes, 0.26 (6.5) Dia. for CR4150 & CR4160 3 holes, 0.26 (6.5) Dia. for CR4170 & CR4180 inch (mm) Heaters Controls And Sensors Ltd., www.hcs77.com Toll Free: 800 - 279 - 9912 9 transducer03a