Vega B61-300 FI Bedienungsanleitung PDF herunterladen (Seite 7)

Such

voltage surges can cause damage to sensors and signal

conditioning instruments.

VEGA overvoltage arresters reduce voltage surges on the supply or

signal cables to a safe level. They are designed for mounting on carrier

rail according to EN 50 022/EN 50 035 in the switching cabinet or in a

metal or plastic housing close to the sensor.

Varistors (voltage-dependent resistors) as well as overvoltage arrest-

ers (gas arresters) are used as protective elements for voltage

limitation.

As soon as the voltage reaches the response voltage of the protective

element increases, it becomes conductive and dissipates the energy

by brieﬂy bridging the supply cables. When the voltage surge

subsides, the protective element returns to high-impedance status and

has no further inﬂuence on the supply circuit.

Due to this protective concept of B61-300 FI without energy dissipation

to ground, a connected fault-current circuit breaker is not triggered.

3.3 Packaging, transport and storage

The device was protected by packaging during transport. Its capacity

to handle normal loads during transport is assured by a test according

to DIN EN 24180.

The packaging of standard instruments consists of environment-

friendly, recyclable cardboard. For special versions, PE foam or PE foil

is also used. Dispose of the packaging material via specialised

recycling companies.

Transport must be carried out under consideration of the notes on the

transport packaging. Nonobservance of these instructions can cause

damage to the device.

The delivery must be checked for completeness and possible transit

damage immediately at receipt. Ascertained transit damage or

concealed defects must be appropriately dealt with.

Up to the time of installation, the packages must be left closed and

stored according to the orientation and storage markings on the

outside.

Unless otherwise indicated, the packages must be stored only under

the following conditions:

l Not in the open

l Dry and dust free

l Not exposed to corrosive media

l Protected against solar radiation

l Avoiding mechanical shock and vibration

Func

tional principle

Packaging

Transport

Transport inspection

Storage

Overv

oltage arrester • B61-300 FI 7

3 Produc

t description

40489-EN-110616

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