Powering Life for Modern Humanity

MEA-Series 2.4kV-38kV Metal Enclosed/Clad Draw-Out Vacuum Circuit Breaker Switchgear

2.4kV, 4.16kV, 6.6kV, 7.2kV, 11kV, 12.47kV, 13.2kV, 13.8kV, 22kV, 27kV, 34.5kV, 38kV Paralleling, Transfer, & Distribution Full Depth Draw-out Circuit Breaker Switchgear

SAFE  SMART SERVICEABLE SECURE SWITCHGEAR

Our MEA-Series offers voltage ratings from 2.4kV to 38kV, including 34.5kV switchgear configurations, and is a versatile solution for both indoor and outdoor applications. This complete line of switchgear, ranging from 5kV to 15kV, provides flexibility to meet virtually any power system needs.

Medium Voltage Metal Enclosed Switchgear

Product Features

  • Metal enclosed/clad type draw-out circuit breaker-based design
  • Drawout Vacuum Circuit Breaker with Test, Disconnected, and Connected positions
  • Silver plated copper line and load bus bar connections
  • Voltage Transformers (Fixed or Drawout Mounted)
  • Current Transformers are Front Accessible, mounted on the primary insulating bushings behind the metal automatic shutters
  • Enclosure includes hinged front door with knurled screws
  • Designed & built to ANSI C37.20.3

Optional Features

  • Automatic Transfer (ATS), Open & Closed Transition Transfer
  • Main Bus
  • Power Metering
  • Protective Relaying
  • Main-Tie-Main Control
    • Configurations with multiple Main and multiple Tie circuit breakers
  • Generator Paralleling
    • Automatic paralleling of multiple generators for Prime Power, Co-Generation, and Peak Shaving applications, with 34.5kV switchgear options available to support high-voltage integration needs.
  • Automatic paralleling of dissimilar prime movers such as:
    • Gas turbines
    • Diesel engines
    • Natural gas reciprocating engines
    • Landfill and digester gas reciprocating engines
    • Combustion turbines
    • Synchronous and induction generators
    • Inverter based systems
    • Motor-generators
    • Wind and solar driven generators
  • Communication
  • Incorporation of any size dry type transformers, including configurations supporting 34.5kV switchgear for enhanced power distribution capabilities
  • Seamless load transfer between power sources
  • Solid, low impedance and high impedance grounded systems
  • Heavy skid mounted switchgear and substations
  • Provisions for maintenance grounding of the feeder cables
  • Web enabled, remote monitoring and control
  • Remote access switchgear control line-ups for ultimate operator safety

Specifications

Voltage

2.4kV – 38kV, 3 Phase, 3 Wire

Main Bus Amperage

1200A, 2000A, 3000A

Enclosure

  • NEMA 1 for Indoor Use
  • NEMA 3R for Outdoor Use (Non Walk-In)
  • Outdoor Walk-In PwrHouse

Dimensions

36″W x 80″H x 72-92″D (Each Section)

Medium Voltage Metal Enclosed Switchgear

Vacuum Circuit Breakers (VCBs)

  • High performance, robust, draw-out removable breakers
  • Integral manual charging handle
  • Mechanical interlocks prevent withdrawal or insertion of the circuit breaker when main contacts are not open
  • Closing springs automatically discharge before moving the circuit breaker out of the enclosure
  • Circuit breaker cell mechanism maintains trip during insertion or withdrawal
  • Breaker cannot be electrically or mechanically closed when in the intermediate position
  • Cells are keyed to ensure only correct breaker rating can be installed in cell
  • High-speed operation – complete fault clearing in less than 3 cycles
  • Hermetically sealed vacuum interrupters protect contacts from corroding elements and contamination
  • Easy maintenance with contact wear indicator is provided on the vacuum interrupter moving stem
  • Periodic visual inspection with a feeler gauge is required to verify that the contacts have not worn out
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Medium Voltage Metal Enclosed Switchgear Accessories

Electric Racking Device

  • Installed onto switchgear section circuit breaker racking mechanism
  • Devices from the TEST/DISCONNECT position to the CONNECTED position in the circuit breaker cell
  • 50 ft. (15.2 m) long cord to allow for remote racking from a distance. This makes operator safety the top priority
  • Requires 120VAC customer supplied control power within the switchgear installation area; may require extension cord

Wall-Mountable Circuit Breaker Test Cabinet

APT-Power-Circuit-Breaker-Test-Cabinet-Metal-Clad-Switchgear
  • Tests the circuit breaker for proper operation when removed from the circuit breaker cell
  • Compact wall-mountable design; requires customer supplied switchgear control power input
  • On-off toggle switch, power-on indicating light, breaker position indication lights, CLOSE & OPEN push buttons
  • 8 ft. (2.4 m) cable with connection plug for secondary connection receptacles at the rear of the circuit breaker

Hinged Rear Doors &
Infrared (IR) Viewing Windows

15A-Series-2.4kV-15kV-Metal-Clad-Switchgear-IR-Window-Hinged-Doors-APT-Power
  • IR Windows can measure temperature without removing the sheet metal cover on the panel
  • IR Window Ports include removable covers for maintaining “Hot Spot” Inspection in the breaker compartment
  • IR Windows come with an outside infrared camera
  • Inner removable sheets provided for easy connection
  • Hinged Rear Doors come with a padlock

24VDC Switchgear Battery Charger

Intelligent-Battery-Charger-Switchgear-Kits-&-Accessories-APT-Power
  • Charges for 24VDC Control Power Batteries for all Switchgear System Ratings
    • Low Voltage: 208V-690V (3Ø)
    • Medium Voltage: 2.4kV-38kV (3Ø)
  • Automatic three stage charging
  • Adjustable current limit
  • Dual purpose battery charger and power supply can be used simultaneously
  • Automatic or Manual boost and storage charge functions help maintain battery condition
  • Digital Microprocessor Technology
  • Temperature compensation for battery charging
  • Low Output Ripple and superb line regulation
  • AC input Under/Over voltage Protection
  • Battery charger output over voltage/ current protection
  • Output short circuit and Inversion polarity with auto recovery
  • Automatic power de-rating at high ambient temperatures
  • Check out more features here

Applicable Standards:

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