Specifications include, but are not limited to: Provide distribution panelboards, and distribution circuit breakers for the electrical distribution system. Circuit Breaker Distribution Panelboard: 1. Equivalent to Square D I-Line, all bussing - copper. 2. 3 phase, 4 wire, solid neutral design with sequence bussing and full capacity neutral unless scheduled otherwise. 3. Provide scheduled bolt-on panelboard circuit breakers, 4. Provide cabinets. 5. Provide ground bus unless noted otherwise. 1. Circuit Breaker Distribution Panelboard HMPD2 with branch breakers. a. Distribution Panelboard, 400 ampere, 208/120 volt, 3-phase/4-wire, main lug only, full capacity neutral, copper bussing, equipment ground, 65,000 ampere integrated short circuit rating @ 240V, 27” branch mounting space, NEMA 3R enclosure with locking door, and capacity for 250 ampere/3-pole branch circuit breakers. Physical Size: 34” wide x 12” deep x 48” high. Equivalent to Square D HCJ. Provide branch Devices: 1) 150 ampere/3-pole, integrated short circuit rating 65kA @ 240 volt, standard electronic trip with long term pick-up adjustment, and HACR rated. Equivalent to Square D HGA. 2) 150 ampere/3-pole, integrated short circuit rating 65kA @ 240 volt, standard electronic trip with long term pick-up adjustment, and HACR rated. Equivalent to Square D HGA. 3) 15 ampere/3-pole, integrated short circuit rating 65kA @ 240 volt, thermal magnetic trip, and HACR rated. Equivalent to Square D HGA 4) 15 ampere/3-pole, integrated short circuit rating 65kA @ 240 volt, thermal magnetic trip, and HACR rated. Equivalent to Square D HGA. 2. Circuit breakers for existing panelboards. a. Existing Panelboard MSD, Square D I-line Type HCP, 800 ampere, 208/120 volt, 3-phase/4- wire, main lug only. Catalog Number – 12292458940060001. Provide branch devices: 1) 400 ampere/3-pole, integrated short circuit rating 65kA @ 240 volt, and standard electronic trip with long term pick up. Equivalent to Square D LGA. 2) 60 ampere/3-pole, integrated short circuit rating 65kA @ 240 volt, and thermal magnetic trip. Equivalent to Square D HGA. b. Existing Panelboard GDP, Square D I-line Type HCP, 800 ampere, 208/120 volt, 3-phase/4- wire, main lug only. Catalog Number – 12292458940010001. Provide branch devices: 1) 400 ampere/3-pole, integrated short circuit rating 65kA @ 240 volt, and standard electronic trip with long term pick up. Equivalent to Square D LGA.
