ADC AD-95 User Manual download pdf (Page 41)

We reserve the right to alter design and range of our products without prior notice | Kabeldon low voltage switchgear system 2011 | 41

General accessories

SCA, SVA

Designation ID No. Rated data Cable

connection

Dimensions Weight

Height Width Depth

mm² mm kg/each

SCA 2CGX0 53190270 230 V (L-N) 25 150 130 90 2.9

A 2CGX0 53310671 230 V (L-N) 25 90 90 90 1.9

SCA

Surge current arrester kit. Heavy-duty protection needed

when an overhead line or lightning-conductor is used.

The kit comprises:

− Three heavy duty arresters for TN-C (four-wire) system

with bracket for mounting on the PEN bar

− The necessary flexible wires

− Connectors (AD 95 for phase connection, AD 70 for PEN

connection).

− Installation instructions

Choice of surge protection:

Choose SCA (heavy-duty protection)

− When the building has a lightning conductor.

− Electricity supply via overhead line.

− In rural areas with a high frequency of lightning strikes.

− Class: I/B

Choice of surge protection:

Choose SVA (medium-duty protection)

− With electricity supply via buried cable (at least 200 metres

of cable to the overhead line network).

− Class: II/C

SVA

Surge voltage arrester kit.

A medium-duty arrester for use with underground networks

and where no lightning-conductors are used.

The kit comprises:

− Four medium-duty arresters for TN-S systems with

attachment for mounting on the N bar

− The necessary flexible wires

− Connectors (AD 95 for phase connection, AD 70 for PE

and N connection).

− Installation instructions

Can also be used in a TN-C system.

SVA

Buried cable > 200 m

SCA

Lightning conductor

SCA

Overhead line

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ADC AD-95 User Manual Page 41

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