What does isolator switch do?

In electrical engineering, a disconnector, disconnect switch or isolator switch is used to ensure that an electrical circuit is completely de-energized for service or maintenance.

What is an isolator in a circuit?

Isolator/ Disconnectors Isolator or disconnectors, as the name indicates, is a switching or isolation device, intended to disconnect equipment or electrical Circuit from the supply. It is an offload device, which means it can be operated only when the current passing through it is zero.

What is isolator and its type?

The isolator can be defined as; it is one type of mechanical switch used to isolate a fraction of the electrical circuit when it is required. Isolator switches are used for opening an electrical circuit in the no-load condition. It is not proposed to be opened while current flows through the line.

Is isolator a load device?

An isolator r is an off load device, whereas Circuit Breaker is an On load device. Isolators are operated manually. The Circuit breaker is a device known as an Automatic circuit breaker (ACB) or Miniature circuit breaker (MCB), which trips the entire system if any fault occurs and thus the whole system is affected.

What is isolator in substation?

The isolator is a mechanical switch which isolates a part of the circuit from the system as when required. Isolators are used to open a circuit under no load. Its main purpose is to isolate one portion of the circuit from the other and is not intended to be opened while current is flowing in the line.

What is isolator in pharmaceutical industry?

Pharmaceutical Isolator. An isolator is an arrangement of physical barriers that are integrated to the extent that the isolator can be sealed in order to carry out a routine leak test based on pressure to meet specified limits. Internally it provides a workspace, which is separated from the surrounding environment.

What is a pantograph used for?

Pantographs are used for reducing or enlarging engineering drawings and maps and for guiding cutting tools over complex paths. Artists specializing in miniatures use pantographs to achieve greater detail.