Each of these ETA power distribution systems provides four stages of sequenced up/down power control. These models all fit in a standard 19” wide rack and consume 1U of rack space.* Three-stage voltage surge protection (H-N, H-G, and N-G) and EMI/RFI noise filtration are standard. All models feature a heavy-duty eight-foot-long power cord equipped with a standard NEMA grounded plug. All models are safety agency-listed** and covered by ETA Systems’ three-year limited warranty against defects in materials and workmanship. Consult the chart below for specific features of each model.

These peripheral products each improve the versatility and manageability of our power sequencing product family. Model KL3R is a remote sequencing key switch capable of wall mounting in a single-gang electrical box. Model KL3RR is a remote sequencing key switch designed for mounting in 1U of standard 19? rack space. Both operate on a 3-wire contact closure. For added security, keys are removable in either the on or off position.

Model PS220 is designed to work with models PD11SP and PD420VS. PS220 is a two-channel sequencer (20 amps max) designed for mounting in a standard 3-gang electrical box. PS220 is easily connected to the electrical system via the provided flying leads. Both channels are jumper programmable for delays of 1, 5, 10 or 30 seconds. Input control is via either a 2- or 3-wire dry contact or daisy-chained communications port. A daisy-chained communications output port is also available. PS220 incorporates surge protection on all three legs of the electrical supply and includes ETA?s ?watchdog? LED monitor. Model PS220 is listed to UL1472 and CSA C22.2 No. 184.1.