Electric Power Supply Feeder System for Data Centers

An example of installation (By courtesy of Microsoft)

Features

1. Effective use of space

With its compact size and large allowable current, bus duct makes effective use of space compared to bulky wiring of plenty of wires. Moreover, it can quickly respond to layout changes due to its modularized construction; routing obstacles can be easily bypassed using rectangular units except for branched bus ducts where only straight units are available.

2. Ease of installation

Extension using plug-in boxes is possible without interrupting electric power supply, and receptacles on the box permit easy installation of feeders on the secondary side. Moreover, identification of feeder routing is very easy because branching can be done quite close to the loads. In addition, non-interrupting extension of branching bus duct is permitted using a junction box incorporating circuit breaker.

3. Segregated routing is possible

Segregated feeder routing of communication and power supply becomes possible by installing this feeder system on the ceiling side and communication cables under the free-access floor.

Standard Specifications

General specifications	Applicable standard: JIS C 8364 Voltage rating and frequency: AC 600 V, 50 Hz / 60 Hz Painting: Munsell 5Y7/1; Melamine baking finish
Trunk bus duct	Circuit connection: 3-phase 3-wire, 3-phase 4-wire, 3-phase 4-wires + G Current rating: 600 A, 800 A, 1000 A, 1200 A, 1350 A, 1500 A Please contact us for information in case of current exceeding 1500 A. Insulation layer: Self-extinguishing, heat-resistant PVC Splicing method: Bulk splicing without the need of checking for additional fastening
Branch bus duct	Circuit connection: 3-phase 3-wire, 3-phase 4-wire, 3-phase 4-wires + G Current rating: 200 A, 300 A, 400 A Insulation: Air Splicing method: Phase-by-phase splicing using loosening-free special washers Plug-in hole: Six holes per 3 m
Plug-in box	Receptacle: 2P + E, Twist-lock receptacle x 3 MCCB: 50 AF Access: Front access

Places of supply

Factory, Electric power station, and New urban traffic system.

	Brochure for "Electric Power Supply Feeder System for Data Centers" (PDF, 26 kB)
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