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<br />City of Arden Hills, MN – 25X.137753 LIFT STATION CONTROL SYSTEM <br />January 2026 PAGE 26 90 04-19 <br />©2026 Design Tree Engineering, Inc All Rights Reserved <br />B. Selector switches with black knob lever operator with white insert. <br />C. Contacts as needed for control scheme. <br />D. Approved Manufacturer: <br />1. Allen-Bradley 800T/H <br />2. Equal from Square D <br />3. Pre-approved equal. <br /> PUSHBUTTONS <br />A. Heavy duty, 30.5 mm, oil tight units. <br />B. Black operator. <br />C. Contacts as needed for control scheme. <br />D. Approved Manufacturer: <br />1. Allen-Bradley 800T/H <br />2. Equal from Square D <br />3. Pre-approved equal. <br /> INDICATING LIGHTS <br />A. Heavy duty, 30.5 mm, oil tight units. <br />B. High visibility cluster LED. <br />C. Push-to-test type. <br />D. Lens color as indicated in Contract Documents: <br />1. R = red for fail and alarm indication <br />2. G = green for run indication <br />3. A = amber for called for or warning indications <br />E. Approved Manufacturer: <br />1. Allen-Bradley 800T/H <br />2. Equal from Square D <br />3. Pre-approved equal. <br /> INTRINSICALLY SAFE BARRIER <br />A. UL labeled unit suitable for using nonrated devices in NEC Class 1, Division 1 and Class 1, Division II, <br />group D hazardous locations. <br />B. Supply for each instrument located in the hazardous location(s). <br />C. Terminal strip connections <br />D. Approved Manufacturer: <br />1. Phoenix Contact <br />2. Or Equal <br /> <br />