3HAB8101-18/09A DSQC546A ABB Servo drive controller quality assurance service

3HAB8101-18/09A DSQC546A ABB Servo drive controller quality assurance service

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With its modular concept, the Arc Monitor is designed to fit all

types and sizes of low- and medium-voltage switchgears.

It is designed according to Functional Safety, and is SIL 2-certified

according to IEC 61508 and IEC 62061 which puts full focus on

reliability. This corresponds to performance level d according to

EN ISO 13849-1. Safety functions are exclusively handled by

hardware. In addition, the system, trip logs and user-interface

are all microprocessor-monitored.

The system can be configured to trip selected breakers, depending

on which sensor that detects the light. The DIP-switches that

take care of this function also handle settings like auto-reset

and Current Sensing Units (see pages 12-13 for more details).

Energy is stored in the unit for operation up to 0.2 s if the supply

voltage fails. This is sufficient to close the tripping circuit even

if voltage disappears at a short-circuit fault.

Note: The circuit breaker still needs a back-up energy source for its tripping circuit.

Connections

All connections can be accessed from the front of the

arc monitor. Pluggable terminal blocks allow electrical

wiring before mounting TVOC-2 into the cabinet.

The solid state tripping contacts are type IGBT, which guarantees

fast and reliable tripping.