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The A421 Series controls are single stage, line-voltage electronic temperature controls with a single-pole, double-throw (SPDT) output relay. These can be used to control a wide variety of single-stage refrigeration or HVAC equipment with an ambient temperature range of -40 to 212&#176;F. Model A421ABC-04C features standard Type 1 (NEMA) IP20 high-impact plastic enclosure suitable for surface or DIN rail mounting and rated for either 120 or 240 VAC. Includes A99BB-400C PTC temperature sensor with a 2 in. standard probe and 13.1 ft. PVC cable. Features: <ul style=Margin-top:0px; padding-top: 5px; padding-bottom: 5px;><li>Control Front Panel LCD</li><li>Basic and Advanced Programming Menu</li><li>On/Off Temperature Adjustment</li><li>Switch-Activated Temperature Setback</li><li>Adjustable Anti-Short Cycle Delay</li><li> Adjustable Sensor Offset </li><li>Optional Restricted Adjustment Mode </li><li>Sensor Failure Mode</li></ul>

Johnson Controls Digital Temperature Controller A421ABC-04C, 120/240 VAC, SPDT, Nema 1

digital-temperature-controller-a421abc-04c-120-240-vac-spdt-nema-1

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