Toshiba JK Series manual 720A Medium Voltage Fixed Controller

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JK Series Product Specification

720A MEDIUM VOLTAGE FIXED CONTROLLER

1.Standards

1.1 Basic controller shall comply with NEMA ICS3-1993, Part 2 (ICS2-324) and UL 347 Standards. Basic controller can be UL/CUL Listed.

2.Structure

2.1Dimensions

Across-the-Line (one-high) - 36"W x 36"D x 90"H

Reduced Voltage Autotransformer - (2) 36"W x 36"D x 90"H

2.2Fabrication

2.2.111 gauge frame with 16 gauge side, back and top sheets.

2.2.2Front of cubicle to be an all-welded assembly. Remainder of frame to be bolted construction.

2.2.3Side, back and top sheets to be removable for easy access for assembly and wiring.

2.2.4Basic dimensions and squareness of cubicle to be controlled by accurately located NC- punches holes. With exception of welded front frame, cubicle should be capable of being assembled without a fixture.

2.2.5All doors shall be minimum 12 gauge steel.

2.2.6All structural components shall be given a corrosion resistant finish by either galvanizing or painting. Galvanized steel shall be used only for internal structural members or panels.

2.2.7All panels used to mount low voltage devices shall be painted white for superior visibility. Panels shall be easily removable or swing-out to provide access to horizontal bus mounted in the rear of the cubicle.

2.3General Arrangement of Components

2.3.1Medium voltage compartments, low voltage compartments, power bus compartments and field conductor wireways shall be isolated by grounded steel barriers.

2.3.2Complete front accessibility to all components shall be provided for installation against walls or for back-to-back arrangements.

2.3.3Low voltage components shall be located so that components are accessible with medium voltage door closed. Low voltage compartment shall be sized with consideration to mounting commonly used devices.

2.4Handling and Installation

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Contents JK Series Medium Voltage Controllers Current Rating JK720 Series Maximum Continuous Structure StandardsMedium Voltage Controllers 400 Amperes Power BusPage Page Ratings 720A Medium Voltage Fixed Controller Medium Voltage Controllers 720 Amperes Page Page 50kA RMS Sym. @ 5.0kV Max Page Page Page Page Page Page Page PacjKSBROCH050218

JK Series specifications

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