Ring Main Unit Drawing

Ring main units our range of ring main units rmus are all suitable for both indoor and outdoor locations and are designed to operate in the most extreme environmental conditions.

Ring main unit drawing. An example of this is an 11kv or above. The main purpose of a spur is adding an extra socket on to an existing ring main circuit. The ring starts at the consumer unit also known as fuse box distribution board or breaker box visits each socket in turn and then returns to the consumer unit. Its simplicity makes it a great arrangement for that use.

A ring main unit is a piece of switchgear used on high voltage distribution ring main systems e g. They are not so common in the uk but are used extensively abroad as the ring main or final ring circuit does have it s drawbacks. The other type of circuit used to power your home is a radial circuit. The primary switching devices can be either switch disconnectors or fused switch disconnectors or circuit breakers.

Wiring a socket correctly in a final ring circuit or ring main. As you can see it eliminates the need to wire a socket all the way back to the a consumer unit but the nearest ring main socket is used instead. Both oil and gas insulated ring main units are the result of extensive innovation using advanced technologies and are subjected to extensive testing and safety. A ring main unit rmu is a totally sealed gas insulated compact switchgear unit.

A ring main unit rmu is a factory assembled metal enclosed set of switchgear used at the load connection points of a ring type distribution network. Different combinations of these primary switching devices within the unit are commonly used. We will always be behind you and good cooperative partner in china. It is a ring system where one line is interrupted or fails the other will work.

Hey i am tony wang. It includes in one unit two switches that connect both sides of the load to the main conductors and a fusible switch or circuit breaker that tee off to feed a distribution transformer medium. Essentially it s three switches incorporated into one device used to. A ring main unit rmu is a totally sealed gas insulated compact switchgear unit.

In the uk at 11 kv. Design and protection for ring main circuits. A very fantastic ring main unit rmu presentation by us.