Bar type current transformer mounting bases are ½ studs on 1 34 centers and are rated for 400 amp to 800 amp service for use with eaton ct rated enclosures and ansi c1211 bar type current transformers. Service equipment 5 1 1 sept 2015 sim esig sim esig.
Current Transformer Basics Understanding Ratio Polarity
Ct cabinet wiring diagram. Ct cabinet parallel bonding electrician talk i want to split a 400 amp 3 ph service into two 200 amp ct cabinets metering equipment information and facility. Refer to the current transformer wire extension page for more information. F wiring trough 1600 a mp maximum company furnishes and installs. Ct current transformer wiring connections for commercial form 9s electric meter installation. Three point latching handle nema 3r rated for indoor or outdoor. Conduit might be a better.
The dimensions of the ct cabinet are. 3 3 400 amp 1 or 3 phase ct cabinets. Single phase 400 800 amps 30 x 48 x 11 three phase 200 800. Bar type ct style cabinets window type ct style with bus included ct cabinet with pt cab transocket ct cabinet with ct rated socket installed and ct cabinet with pt rack options. 5 1 meter and service equipment 1. When open the door must not block a safe exit.
5 3 4 padmount ct cabinets. Current transformer mounting bases. See pages 1 2 1 through 1 2 4 for service center locations. Ct cabinet wiring diagram. This is about the diameter of a 8 awg thwn or thhn insulated conductor. For 600 amp applications use 800 amp current transformer mounting base.
I can also do it without connection with one anther but the main reason behind this is that in real life we do our wiring like above diagram in our main power. General rules and regulations. Overhead or underground entrance underground entrance and bottom exit and pad mount or wall mount features. Three twisted pair will fit in a 12 in. Wiring new shop with 3 phase service doityourselfcom. In the above diagram i shown three ammeters current transformers in the above ct wiring diagram i common a wire of all ct s my means that i connect ct one connection with one another.
Conduit but if you are running any distance and have bends a 34 in. Showing wiring from a current transformer in a cabinet to the test switch and to the meter. A to avoid unnecessary delay or expense the customer or the customers representative shall consult the appropriate dte electric service center before starting any wiring. The diameter of ct twisted pair lead wires is about 0213 in. G termination compartment either wire or bus k underground service lateral lateral to be encased in. The cabinet is to have a side hinged sealable door.
The top of the cabinet must be no higher than 7 feet above the floor and the bottom of the cabinet must be at least 6 inches above the floor.
Gallery of Ct Cabinet Wiring Diagram
