Ct Shorting Terminal Block Wiring Diagram
Ei 30ct04dr 6 pole block part.
Ct shorting terminal block wiring diagram. Ct shorting blocks are used to create an intermediate contact point between the meter and load where it is safe to perform wiring alterations. It shows the parts of the circuit as simplified shapes and the power as well as signal connections between the gadgets. A wiring diagram is a streamlined standard pictorial depiction of an electric circuit. Shorting the secondary with primary current present allows other connections to be removed if needed.
Schematics and this kind of picture transformer block diagram luxury current transformer connection diagram ct. Terminal blocks may have shorting capability but ct circuits can pass through have some wiring diagram information shown on them. Test and measurement with rt 5 t sliding link terminal blocks phoenix contact duration. Wiring between the cts and the power monitor should include a shorting terminal block in the ct secondary circuit.
I think you can get an idea from the photos of what they do. It will be easier to connect the wires to the terminal block if the block is first plugged into the meter. Collection of terminal block wiring diagram. Captive hardware finger safe covers din rail mounted safer than traditional shorting blocks easier to install eig offers two options for ct shorting for meter installation.
Unused ct inputs could possibly pickup electrical noise so it is a good practice to short out unused ct input terminals by connecting a wire jumper about 1 inch long between the white and black ct terminals. There are shorting links for the ct connections and disconnecting links for the voltage connections. This one is from owen brothers in oldham. Demonstration of shorting a ct shorting block for safe wiring modifications.
4 pole and 6 pole ct shorting blocks features include. This test block is the sort of thing we usually use. The screws connecting the conductors are only accessible after the current transformer has been short circuited using the short circuit slider. An open ct secondary with primary current applied produces a hazardous voltage which.
Wiring diagram ac schematic information. Ct shorting blocks are wired such that the negative leads of the current transformers are connected to the same node and tied to ground. With our test disconnect terminal blocks based on tested weidmüller screw connection technology connecting challenges can be resolved clearly and cost effectively. Ct cable was a spare cable and shorted at the terminal.