POWERGATE EMERGENCY LIGHTING TRANSFER SWITCH - SPECIFICATION 1 1. GENERAL 1.1. The Emergency Lighting Transfer Switch (ELTS) is designed to provide automatic transfer of branch circuits from normal to emergency power in the event of a normal power failure. The unit will transfer power back once normal power is restored. 1.2. The ELTS shall be suitable for indoor (Type 1) use. 1. MECHANICAL 1.1. The ELTS panel enclosure shall be manufactured of 16, 14 or 12 gauge steel. 1.2. The ELTS enclosure shall not exceed 8.00" (20.32 cm) D. 1.3. The ELTS shall not have enclosure heights and widths that that exceed: 1.3.1. Two (2) circuits: 24.00" (60.92 cm) H x 24.00 (60.92 cm) W 1.3.2. Four (4) to six (6) circuits: 30.00 (76.20 cm) H x 24.00 (60.92 cm) W 1.3.3. Eight (8) to ten (10) circuits: 30.00 (76.20 cm) H x 30.00 (76.20 cm) W 1.3.4. Twelve (12) to sixteen (16) circuits: 36.00 (91.44 cm) H x 24.00 (60.92 cm) W 1.3.5. The ELTS is available with up to thirty (30) circuits. 1.4. The ELTS enclosure shall include four (4) holes for wall mounting. 1.5. The ELTS shall be installed independently of all other equipment. It shall not be installed in another enclosure. 1.6. The ELTS enclosure shall have a hinged locking front door to provide access to user selectable features. 1.6.1. The door shall have a keyswitch for periodic testing as required by code. 1.6.2. The door shall have LED indicator lights. 1.7. The ELTS finish shall be a light grey powder coat. 2. ELECTRICAL 2.1. The ELTS shall have [ SPECIFY QUANTITY: Two (2) through thirty (30) in even numbers] 120 VAC 20 Amp circuits. 2.2. Contactors shall be electronically switched and mechanically held. 2.3. Normal and emergency power to the ELTS shall be [ SPECIFY EITHER: (quantity) single phase 120 VAC 20 Amp circuits OR three phase 120/208 VAC (rating) Amp service]. 2.4. Normal power shall be provided by the building source (public utility). 2.5. Emergency power shall be provided by an ancillary feed (generator, secondary source). 2.6. Built-in Type J fuses shall be provided to maintain SCCR rating circuit protection. 2.7. The entire unit shall be rated with a minimum 65,000 Amps Short Circuit Rating (SCCR). 3. OPERATION
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