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Marsh Bellofram Diversified Electronics Division AC 2020 Series HVAC 3-Phase Compressor Protector
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Marsh Bellofram Diversified Electronics Division AC 2020 Series HVAC 3-Phase Compressor Protector
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Catalog excerpts
800.727.5646 atcdiversified.com Diversified Electronics AC Series 265 3- Ph a s e Comp r e s s o r P r o t e c t or The AC 2020 compressor protector provides multimode time delays, reset selections and a memory capability which indicates using LED’s, the last fault condition. This offers not only protection for the compressor in adverse electrical conditions but also a method to readily determine the type of fault occurrence. HVAC Controls // AC Series \\\SPECIFICATIONS CONTROL VOLTAGE 24 or 120 VAC, ±10%, 50/60 Hz TRIP POINTS Under Voltage -10% of Setting Over Voltage +10% of Setting Hysteresis 5% of Nominal Setting RESPONSE TIMES Pick-Up Auto Mode: 0.05 to 5 Min. (Adj) Delay-On-Make Delay Mode: 3 Min. (Fixed) Delay-On-Break Drop-Out Over/Under Voltage, Phase Loss: 2 SEC (Approximately) POWER REQUIRED <5 VA MAXIMUM VOLTAGE 550 VAC PHASE SEQUENCE ABC (Will Not Operate On CBA Sequence) OUTPUT RATING 278 VA Inductive; 10 Amps Resistive @ 240 VAC CONFIGURATION Control SPST-N.O. Auxiliary SPDT MODE SELECTIONS Automatic; Manual; Delay-On-Break RESET SWITCH With Memory, Without Memory, Auto Reset, Manual Reset TRANSIENT WITHSTAND 1500 V @ 8X 20 Microseconds TEMPERATURE RATING Operate -4° to 131°F (-20° to +55°C) Storage -40° to 185°F (-40° to +85°C) ENCLOSURE Style “E” Lexan® Surface Mounted TERMINATIONS (12) #8-32 Screw Terminals WEIGHT 6 oz. \\\OPERATING VOLTAGE Auto Ranges 240 VAC 190-270 VAC, Adj., 50/60 Hz 480 VAC 380-540 VAC, Adj., 50/60 Hz \\\ORDERING INFORMATION MODEL NUMBER DESCRIPTION AC-2020 3-Phase Compressor Protector • Automatic Voltage Ranging • Universal Control Voltage • Condition/Fault Indicators • Automatic/Manual Reset • Last Fault Memory • Delay-On-Make • Delay-On-Break • Auxiliary Contacts • Easy Installation PROTECTS AGAINST: • Phase Loss • Under Voltage • Over Voltage • Phase Reversal • Short Cycling
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