LV Switchboards - Group Mounted, Front Accesible Switchboards
Group Mounted, Front Accessible Switchboards
Power-Style QED-2 switchboards offer the flexibility to meet the simplest or most complex critical power requirements. These switchboards can be built to meet a simple multi-section application or highly customized for critical auto-throw-over system applications. QED-2 offers the proven flexibility and reliability to keep your system up and running regardless of system complexity.
QED-2 with group mounted I-LINE circuit breakers offer additional branch mounting flexibility because breakers with different frame sizes and number of poles can mount anywhere on the bus stack.
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QED-2 Switchboards QED-2 switchboards are used in almost every level of the data center electrical system. Oftentimes, on smaller data center systems, QED-2 switchboards make up the majority of the equipment installed. They are used for service entrance, UPS input and output switchboards, load bank switchboards, supplying power to HVAC and building equipment, and to primary of 480V transformers that supply 208/120V power distribution units. We also supply custom solutions for paralleling and UPS output equipment when using 4-pole breakers on high resistance grounded systems. The QED-2 switchboards along with 4-pole breakers provide maintenance isolation for generators and UPSs. >more... |
QED-2 switchboards are available with single or multiple mains and distribution sections. Individually mounted mains use PowerPact® P- and R-frame electronic or Micrologic® molded case circuit breakers through 2,500A, Masterpact® NW two-step stored energy electronic trip circuit breakers, for fixed or drawout applications through 5,000A.
QED-2 distribution sections include I-Line® circuit breakers. With I-Line plug-on circuit breaker construction, the line end of the circuit breaker plugs directly onto the I-Line panel bus assembly. This design allows you to quickly install and wire circuit breakers from the front of the switchboard. In addition, I-Line circuit breakers are keyed to mounting slots in the support pan for automatic alignment and faster installation.
I-Line switchboard sections are available in single- or double-row construction. If you require higher feeder ampacities, QED-2 switchboards are available with individually mounted branch devices up to 4,000A. They include both thermal-magnetic and electronic trip molded case circuit breakers. For equipment ground fault protection you can use electronic trip. With QED-2 switchboards, you can also specify options such as automatic throw-over systems.
Data Center Application:
- Service entrance switchboard
- Paralleling switchboards
- UPS input and output switchboards
- Load bank switchboards
- Building and HVAC distribution switchboards
- PDU distribution switchboards
- DC battery rack main disconnects
Features and Benefits:
- Front accessible load connections
- Front and rear alignment standard
- Switchboard fed by cable, busway, transformer, QED switchboard or other
- Switchboard ratings through 5000A, 200kA; higher amperages available
- Thermal-magnetic, electronic, Micrologic or stored energy fix-mounted and Masterpact NW drawout mounted circuit breaker mains and feeders
- Main devices in six sub-division or single main configurations
- Main and branch devices in single section configuration
- Main lugs in separate section in line-up or behind devices
- Group-mounted mains and branches
- Thermal-magnetic and electronic circuit breakers with standard, high, extra-high or current limiting capability
- Exclusive Micrologic trip circuit breakers, 80% or 100% rated
- Zone selective interlocking on Micrologic circuit breakers, group-mounted 100A/250A thermalmagnetic circuit breakers with add-on ground fault.
- PowerLogic® system customer metering from ammeter, voltmeter, wattmeter to waveform capture, data logging, alarm/relay functions, disturbance monitoring and programmable logic, including custom
communications capability and inter-wiring - Custom engineering including main-tie-mains, multiple sets of through bus, reduced height and engineered houses
- 4-pole breakers are optional
- Transfer switches are optional
- Automatic throw-over systems are optional
Options:
Hot and cold sequence utility metering, customer metering and PowerLogic monitoring and control system, equipment ground fault protection, automatic throw-over systems, transfer switches and zone selective interlocking.
Technical Data | Brochures | Online Catalog | Specifications | Switchboards
Spotlight: View the Masterpact NT Series Circuit Breaker webcast - this breaker is a fully tested, full-feature power circuit breaker in the smallest footprint available on the market today. Run length is 7.5 minutes. |
Learn More: Download the i-Line Panelboard & Switchboard BrochureDownload the Power-Style QED Switchboard Brochure Learn More about Square D Power Distribution Products |



