ComAp intelilite nt amf20 User Manual

InteliLite
NT
– AMF20/25, SW version 2.2, ©ComAp – September 2014 36
IL-NT-AMF-2.2-Reference Guide.pdf
Earth Fault measurement (module)
The Earth Fault protection is done by extension module IC-NT CT-BIO7.
Technical characteristics
- Input current range up to 5 A (IC-NT CT-BIO7)
- Measurement range from 1 to 500 A
- Operating frequency 50 or 60 Hz
- Tripping current software programmable from 1 to 500 A or DISABLED
- Tripping delay software programmable from 0,03 to 5 seconds
- Included seven binary inputs or seven binary outputs (IL-NT-CT-BIO7)
Hint:
For more technical details see IC-NT CT-BIO7 interface.
Hint:
For more information about the application settings see EarthFaultProt setpoint group
Operating principle
When the measured current exceeds the set value, this indicates that part of the current is dispersed
to earth and after the set Earth Fault Del then Earth Fault Sd protection and AL EarthFault output are
activated. Earth Fault protection is not active when gen-set does not run and also when EF Protection:
DISABLED.

ComAp intelilite nt amf20 Specifications

General

Brand	ComAp
Model	intelilite nt amf20
Category	Controller
Language	English