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<br />City of Arden Hills, MN – 25X.137753 LIFT STATION CONTROL SYSTEM <br />January 2026 PAGE 26 90 04-17 <br />©2026 Design Tree Engineering, Inc All Rights Reserved <br />B. Shall provide protection on all incoming phases. <br />C. Dry contact status indication for common alarm. <br />D. Dry contact indication for surge counter. <br />E. LED indicator when protection is on-line for each phase <br />F. Maximum surge current rating: 40kA per phase <br />G. Nominal discharge current rating (L-N): 10KA <br />H. Short Circuit Current Rating: 200kA <br />I. Modes of protection: L-N, L-G, N-G, L-L <br />J. To be DIN rail mounted in the power side of the control panel. <br />K. Minimum of 10 year full coverage and replacement warranty. <br />L. Manufacturer/Model: <br />1. Schneider Electric SDSA series. <br />2. Or Equal. <br /> CONTROL CIRCUIT SURGE PROTECTION DEVICE <br />A. 120 VAC In-Line Device <br />B. Din rail mounted <br />C. L-L, L-PE, and N-PE protection. <br />D. Indication flags and voltage free contacts for remote status monitoring. <br />E. To be located ahead of the UPS, and downstream of the control circuit breaker. <br />F. Manufacturer/Model: <br />1. Erico <br />2. Edco <br />3. Or equal <br /> POWER SUPPLIES 12 & 24VDC <br />A. UL listed for use in UL 508 and UL 698 panels. <br />B. Line regulation 4% line variations from 105 to 132. <br />C. Load regulation 4% load variations from 0 to full load. <br />D. Not to exceed 100mv peak to peak on noise. <br />E. Hold time at max load shall be 16msecs. <br />F. Output current limited and overvoltage crowbar sensing circuit. <br />G. Output voltage adjustment. <br />H. DIN rail mountable. <br />I. The power supply shall provide surge protection, isolation and outage carry-over of up to 6 cycles of the <br />AC line or 40ms at 24VDC. <br />J. AC input to the power supply shall be fused. <br />K. LED indicator to indicate it is powered on.