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Metal-Clad Switchgear
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27 kV MASTERCLAD Medium Voltage Metal-Clad Switchgear with Type VR Vacuum Circuit Breakers
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Format: PDF

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MASTERCLAD™ Vacuum Metal-clad Switchgear - Front view with lower breaker
installed

"MASTERCLAD™ and MASTERCLAD A/R switchgear components include available state-of-the-art electronics like POWERLOGIC power monitoring and control systems, SEPAM digital micro-processor-based protective relays and Modicon or Telemecanique PLC-based automatic transfer systems."

The Reliability of a Quality Design
  
The quality of Federal Pioneer MASTERCLAD™ and MASTERCLAD A/R  medium voltage metal-clad switchgear stems from a design and manufacturing process that focuses on long-term switchgear performance with the highest degree of reliability.

Reliable performance and safety is enhanced by the rugged construction of MASTERCLAD™ and MASTERCLAD A/R switchgear. Each switchgear assembly consists of individually grounded, compartmentalized steel structures (with 11-gauge barriers between vertical sections and major parts of each primary circuit) to protect operating personnel.

Based on specific customer application needs, Federal Pioneer engineers and technicians select the appropriate standard sections and bus configurations, with the ability to customize where needed. After the specified circuit breakers, instrument and control power transformers, relays, meters and other components are selected and approved, all are factory-assembled, wired and tested as a complete assembly. This testing is performed to insure reliability by energizing the control circuits and verifying the specified sequence of operation for each metal-clad switchgear project along with applicable ANSI, CSA, EEMAC and IEEE Production Tests.

Applications

MASTERCLAD™ and MASTERCLAD A/R  medium voltage switchgear is used in a wide variety of switching, control and protective applications including electric utility generation and distribution systems, industrial plants, commercial buildings, hospitals, municipal pumping stations, wastewater treatment plants, transportation systems, and pipeline stations. Transformers, motors, generators, capacitors, distribution lines, and feeder circuits are protected by this class of switchgear. Significantly, most of the MASTERCLAD™ and MASTERCLAD A/R switchgear specified for these applications is relied upon to provide the critical main service entrance protection and controls

Switchgear Ratings

Nominal Voltage – kV RMS

4.16

13.8

25/27.6

34.5

Rated Maximum Design Voltage – kV

4.76

15

29.8

38

Full Wave Impulse Withstand – kV

60

95

125

150

60 Hz Withstand kV RMS

19

36

60

80

Continuous Current Rating – Amps

1200
2000
3000

1200
2000
3000

1200
2000

1200
2000

Short Time Rating – kA RMS

50*

50*

40*

40*

*Maximum rating