R-Tech INV160 Guía de instalación descargar pdf (Pagina 16)

A-8

Functions

and characteristics

Combination of “Normal” and “Replacement” devices

All Interpact, Compact and Masterpact circuit breakers and switch-disconnectors

from 100 to 6300 A with rotary handles or motor mechanisms can be interlocked.

DB101569

Interlocking of a number of devices using keylocks (captive

keys)

Interlocking is based on two identical keylocks with a single key and a keylock

adapter (different for each device). This solution enables interlocking between two

devices that are physically distant or that have very different characteristics, for

example between a low and a medium-voltage device, or between Compact NS

circuit breakers and switch-disconnectors.

A system of wall-mounted captive key boxes makes possible a large number of

combinations between many devices.

Keylock-type interlocking of two circuit breakers with rotary

handles or motor mechanisms.

Possible combinations of “Normal” and “Replacement” source circuit breakers

DB101568

Interlocking of two devices with rotary handles

The direct or extended rotary handles are padlocked with the devices in the OFF

position. The mechanism prevents simultaneous closing of the devices, but allows

them to be opened.

“Normal N” “Replacement” R

Compact NS100/630

(1)

NS100 NS160 NS250 NS400 NS630

NS100

Ratings 1

6... 100 A b b b v v

Interlocking of two Compact NS circuit breakers with rotary

handles.

NS160

Ratings

80...160 A b b b v v

NS250

Ratings 12

5...250 A b b b v v

NS400

Ratings 1

60... 400 A v v v b b

NS630

Ratings 630 A v v v b b

250 A and 630 A ratings can be mixed by using NS400/630 rotary handle interlocking system.v

“Normal N” “Replacement” R

Compact NS630/1600

(1)

NS630b NS800 NS1000 NS1200 NS1600

NS630b

Ratings 2

50... 630 A b b b b b

NS800

Ratings

320... 800 A b b b b b

NS1000

Ratings

400... 1000 A b b b b b

NS1200

Ratings

480... 1200 A b b b b b

NS1600

Ratings

640... 1600 A b b b b b

(1) When mixing NS100/250 and NS400/630 circuit breakers, use the NS400/630 interlocking

system.

OFF

Manual source-changeover

systems

Possible combinations

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R-Tech INV160 Guía de instalación Pagina 16

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