Medium Voltage Switchgear Symbol

The starting point is always the position of the operator standing in front of the medium voltage switchgear facing the switchgear.

Medium voltage switchgear symbol.

While medium voltage conductors are available in 90 c mv90 or 105 c mv105 ratings the actual terminations in the transformer or switchgear cable compartments are limited to 90 c. The addition of this symbol to a danger or warning safety label indicates that an electrical hazard exists which will result in personal. Specific part of the medium voltage switchgear. Circuit breaker vacuum circuit breakers medium voltage circuit breakers created date.

2 amted300014en indd this guide is a catalogue. Medium voltage disconnect switch non fused cut out medium voltage disconnecting fuse. 12 47 kv 13 2 kv 13 8 kv and 14 4 kv. Swgr switchgear swbd switchboard sw switch stb shorting terminal block ss solid state.

Gas insulated earth disconnector fixed or rotary go back to content table 2. Switchgear medium voltage switchgear solutions for primary and secondary distribution to suit every application. For example 15 kv switchgear maximum voltage rating is commonly applied at various actual voltages including. Switching of load current.

A typical medium voltage metal enclosed switchgear feeder circuit will have a combination of switchgear able to provide the following functions. Pictograms and safety symbols in and on the medium voltage switchgear depending on the version the following pictograms are used on the medium voltage. Diagram symbols used throughout various parts of the world. The following tables describe the device and show the symbol by area of usage.

Medium voltage switchgear mcset 17 5 kv air insulated switchgear withdrawable circuit breaker sf 6 or vacuum technology civil engineering guide 07897303en. When sizing the mv cables the nec derating factors must also be applied depending on the type of raceway or duct bank that will be required. Medium voltage switchgear is classified by the maximum voltage it can service. Switchgear functions designation and symbol function current switching operating current fault current disconnector isolates earthing disconnector.

Secondary voltage f g connection type symbol h impedance packaged equipment a rated load b unit hp kw kva as indicated. For all customers from system integrators to end users and all applications from refurbishment line extension to new installations. For industrial applications a transformer and switchgear line up may be combined in one housing called a unitized substation uss.