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DataCTR - Data Center Power Systems

Automatic Transfer, Generator Paralleling, & Power Distribution Switchgear & Switchboards for Large Data Center Systems

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APT has the resources and expertise to provide safe, reliable, and cost-effective solutions for the redundancy required for up to Tier 4 data center backup. That includes redundancy applications, especially for data center switchgear.

Advanced
Power
Thought

What is Redundancy?

It is a common method to improve a power system’s reliability and availability. Redundancy duplicates critical parts or functions of a system.

No matter the size or difficulty level of the site, we have you covered from the incoming utility, down to distribution and all the redundancy in between:

  • Data Center Site Planning, One-Line Diagram Development, Engineering and Design Review
  • Outdoor Walk-In Automatic Transfer & Distribution Switchgear Modules with sheltered working and maintenance rooms
  • Remote Monitoring SCADA systems
  • Pole Mounted or Pad Mounted Low and Medium Voltage Gang-Operated Disconnect Switches, Fuses, Surge Arresters, and Cut-Outs
  • Low and Medium Voltage Utility Intertie Switchgear according to IEEE 1547 and Utility Company requirements
  • Transient Voltage Surge Suppression
  • Outdoor NEMA 3R Non-Walk-In
  • Advanced controls for peak shaving, paralleling with utilities, generators, & islanding
  • Valve Regulated Lead Acid Energy Control Power Systems
  • Low to Medium Voltage Step-up & Step-Down Transformers
  • On-site Commissioning Assistance, Training, Troubleshooting & more!
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Data Center Switchgear

Power Quality Metering & Utility Intertie

  • UL recognized for Advanced Power Metering
  • True RMS, 3 Element Power Quality Metering:
    • Metering accuracy shall be in accordance with ANSI C12.20-1998, rated an with accuracies as follows:
      • Class 10 0.5% for energy.
      • 2% of reading and 0.02% of full scale for voltages and currents.
      • 3% of reading and 0.02% of full scale for active and apparent power
    • Dedicated high-brightness digital LED displays are visible in the bright sun light or in the dark
  • Environmental Conditions
    • Operating temperature:
      • -20°C to 60°C (-4°F to 140°F)
    • Humidity:
      • 0 to 95% non-condensing
  • Service Entrance Utility Intertie Options
    • IEEE 1547 – IEEE Standard for Interconnecting Distributed Resources with Electric Power
    • Visible circuit disconnect with draw-out main circuit breaker
    • Utility Intertie Protective Relay Functions as required
    • Voltage & Current Test Switches per utility requirements
    • Potential Transformers (PTs):
      • Fused, revenue grade potential transformers connected in wye or delta configuration
    • Current Transformers (CTs):
      • Dedicated Revenue Grade CTs with 0.3% Accuracy @ B0.1 Burden for Revenue Grade Meters as required

Low Voltage Data Center Switchgear/Switchboards

SBU-Series-208V-480V-UL-Listed-Low-Voltage-Paralleling-Switchgear-APT-Power-System-Products

SBU-Series

  • 208V – 690V, 3Ø
  • Silver plated copper bus
  • Standard bus ampacity up to 4000A
  • Bus Access & Cable Entry
    • Front or Rear Access for either top or bottom cable entry
  • Your choice of Insulated Case or Molded Case Circuit Breakers
  • Intelligent close prevents simultaneously connecting multiple generators to dead bus with adding APT Generator Paralleling Modules to generator circuit breaker sections
  • NEMA 1 (indoor) or NEMA 3R (outdoor) Non-Walk-In
  • Integrated into APT PwrContainer ISO Container Based Outdoor Walk-In Switchgear Enclosure Module
  • Click here to learn more about our SBU-Series
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SBU-ATO-BI

  • 208V – 480V
  • Automatic Transfer Switchgear with Bypass Isolation
    • Automatic Transfer Overview:
      • If there is a total loss of utility power, automatic transfer mode will cause the generator to automatically start. The generator will then come on-line and assume site load.
      • After utility power returns, a sequence of functions may be executed to return the breakers to their normal positions in an open transition.
      • After the return to normal, the generator(s) automatically come off-line, cools down, and is ready for the next start.
    • Manual Control Overview
  • Provides independent electrical fault protection for all sources:
    • 27/59 – Three-phase under/over voltage
    • 81O/U – Over/under frequency (Optional)
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SBU-BI

  • 208V – 480V
  • UPS Maintenance Bypass/Isolation with Manual, Non-electric Kirk Key Operation:
    • Three identical Kirk Key locks with two identical Kirk Keys allow for only two circuit breakers to be closed at the same time.
    • Remove key from source 1 and insert into the bypass circuit breaker. This enables source 2 to provide power to the load normally served by source 1.
  • Works best in Generator & UPS applications
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SBU-SK

  • UPS Bypass/Isolation with Solenoid Key Release Unit (SKRU):
    • SKRU with A-1 Key held captive
    • UPS output breaker A is closed supplying the critical load through the UPS
    • Key B-1 is held captive in the L-O interlock on breaker A
    • Maintenance bypass breaker B cannot be closed until the UPS is placed in bypass mode
      • As a result, this sends a signal to the SKRU allowing release of key A-1
    • The SKRU has an apartment lock that will accept either key A-1 or B-1
  • See Page 11 of the DataCTR Brochure to learn how to supply critical load through the maintenance bypass breaker

Available Circuit Breaker Features & Ratings

  • Insulated Case or Molded Case
  • Fixed or Drawout Mount
  • Medium Voltage Vacuum Circuit Breaker Ratings:
  • Low Voltage Circuit Breaker Ratings:
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Generator Paralleling & Control Sections in Plant Power Distribution Systems

  • Behind door mounted generator protection circuit breaker provides an added layer of operator protection
  • Can automatically parallel multiple generators in the same or multiple sections
  • Complete manual paralleling facilities
  • Complete 3Ø Generator Protection
  • Remote Start/Stop Interface
  • Prevention of closing of multiple generators to a dead bus simultaneously
  • Even more features!

Protection for Facility Main/Feeders in Plant Power Distribution Systems

  • High visibility, LED type indicating lights with a service life of 100,000 hours at 77°F
  • Your choice of Molded Case or Insulated Case Circuit Breakers
  • Circuit Breaker Trip Units:
    • LI – Adjustable long time, instantaneous trip settings
    • LSI – Adjustable long & short time, instantaneous trip settings
    • LSIG – Adjustable long & short time, instantaneous trip settings, with ground fault trip settings
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FS2-T-208V-480V-Service-Entrance-Portable-Generator-Quick-Connection-Transfer-Switchboard​-APT-Power-1
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Temporary Generator/Load Bank Quick Connection

  • Per NEC 700.3, temporary generator connection applications require either mechanical or electrical interlocking of the power sources
    • This safely prevents inadvertently paralleling normal & emergency power sources
  • Multiple generators or feeders circuit breaker sections (multiple mechanical key interlocks, transfer block)
  • Operation sequence without sources interlocking is available for systems that achieve NEC 700.3 source interlocking externally
  • Loadbank connection only applications
    • Easily connects a temporary loadbank to a facility’s permanent generator(s)
    • Utilizes female cam-lok type receptacles
    • Circuit breaker and monitoring options available
  • Integrated Generator & Loadbank Quick Connection
    • Combines male & female cam-loks into one unit for all your temporary connection needs in one location
    • Dual-purpose termination cabinet allows for safe and clean connection of a portable temporary generator or loadbank
  • Cam-lok gender changeover adapters are an alternative to converting Generator Quick Connection into Loadbank Quick Connection
    • Subject to implemented options
  • Check out APT’s Generator/Loadbank Quick Connection Solutions here

PBU-Series Power Distribution Panels

  • Low Voltage
    • 208V – 600V
  • Frequency: 60 / 50Hz
  • Distributes Power to Facility Loads
  • Symmetrical Interrupting Capacity:
    • 18kA, 35kA, or 65kA
  • Surface Mountable
  • Bus Options:
    • Tin-plated Aluminum
    • Silver-plated Aluminum
    • Silver-plated Copper
  • Available Main:
    • Molded Case Circuit Breaker
    • Molded Switch
    • Main Lugs Only
  • Can have up to fourteen 3-pole feeder breakers per section
  • Bottom & Side Entry for NEMA 1 & 3R
  • Top Entry for NEMA 1
  • Fuse Options available upon request
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PTX-Series Utility Power Transformers

  • Built for easy transportation, installation, and rapid power deployment applications
  • Low to Medium Voltage
  • High Voltage Side:
    • Aluminum windings
    • 2.4kV – 34,500 V Delta or Wye Connected
    • BIL up to 200kV
    • Live front
    • Radial feed
  • Low Voltage Side:
    • Aluminium windings
    • Single Low Voltage winding
    • 208V – 1200 V Delta or Grounded Wye Connected
    • BIL up to 60kV
    • Epoxy 2 piece-bushings with 4-holes blade
  • Pad Mount, Step Down
  • Ratings:
    • 500kVA – 3,000 kVA
    • Frequency: 60 Hz
    • Impedance: 5.75% ± 7.5%
    • Temperature Rise: 65°C
  • Dead front or Loop feed options
  • Enclosure:
    • Outdoor NEMA 3R
    • Mild steel tank & cabinet
    • Powder paint system; Color: ANSI 70 or Green Munsell 7GY 3.29/1.5
    • Weights: 7000 – 17,500 lbs.
  • APT FAC-Series front access compact low and medium voltage air insulated switchgear is the ideal switchgear for this transformer
  • You can find more on the PTX-Series Dry Type & Oil Filled Power Transformers here

Product Literature

Applicable Standards

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