R-Tech INV160 Guía de instalación descargar pdf (Pagina 62)

C-2

Electrical diagrams

Electrical interlocking by the IVE unit

Recommended electrical control system

DB101689

(1) The “normal” and “replacement” source transfer orders must be interlocked electrically.

(2) Operating diagram: the SDE “fault-trip” signals are transmitted to the IVE unit. The SDE

auxiliary contacts are mounted in the circuit breakers.

Legends

“Normal” source opening order

“Replacement” source opening order

“Normal” source closing order

FR “Replacement”

source closing order

L1 “Normal”

source “fault-trip” signal

L2 “Replacement” source “fault-trip” signal

N “Normal”

source auxiliary wiring connector

R “Replacement”

source auxiliary wiring connector

Note:

diagram shown with circuits de-energised, circuit breakers open

and relays in normal position.

Remote-operated

source-changeover systems

2 Compact NS100/1600 or

Masterpact NT/NW devices

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R-Tech INV160 Guía de instalación Pagina 62