ATC 328E-200-F-10-XX Multi-Range TDR, 6 Knob Selectable Ranges, 24 to 240 VAC and 24 VDC, Reset on Power Failure, Standard

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ATC 328E-200-F-10-XX Multi-Range TDR, 6 Knob Features

• Load relay is rated for 100, 000, 000 mechanical operations

• LED light Cycle Progress Indication

• Versatile Mounting

• Multiple Ranges Reduces Inventory

• High Accuracy

About ATC 328E-200-F-10-XX Multi-Range TDR, 6 Knob

A versatile dial-adjustable time delay relay, the ATC 328 provides a choice of ON-delay, OFF-delay or interval operation for any timing period between 50mSEC and 10 hours- all in the same timer. Based on a unique digital circuit, it features cycle progress annunciation and is suitable for the most demanding industrial service. Operations: Control action of the 328 depends on how its terminal block is wired. In ON-DELAY OPERATION, timing begins when the start switch is closed. The load relay contacts transfer at the end of the timed period. Reset occurs when the start switch is opened or when there is a power interruption. In OFF-DELAY OPERATION, timing begins when the start switch is opened. The load relay contacts transfer at the end of the timed period and back again at reset. Reset occurs when the start switch is closed. Control action of all loads is delayed, either closed-closed-open or open-open-closed. In INTERVAL CONTROL, timing begins when the start switch is closed. The load relay contacts transfer at the beginning and at the end of the timed period, thus providing true interval control, either open-closed-open or closed-open-closed. The start signal may be either sustained or momentary; in the latter case, the start signal is "latched in" by wiring it to one of the load relay's two sets of contacts. Power interruption resets the timer.