Thytronic NA11 User Manual

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6
NA11 - Manual - 02 - 2009
INTRODUCTION
Product identifi cation
Each device is equipped with:
Identifi cation label installed on the front side with following informations: code number, phase and
residual nominal currents, auxiliary voltage range and CE mark:
Test label with following informations: data, serial number and test operator signature.
Environment
The NA11 device must be employed according to the environment conditions shown (see technical
data).
In case of different environment conditions, appropriate provisions must be provided (conditioning
system, humidity control, etc...).
If contaminants are present (dust, corrosive substances, etc...), filters must be provided.
Graphical conventions
The CEI/IEC and ANSI symbols is employed where possible:
e.g.: 51 = ANSI code concerning the overcurrent element.
Following text formats are used:
The ThySetter
[1]
menu:
Phase overcurrent -50/51
The parameter description (measures, thresholds, operate time,...) and related value:
First threshold 50/51 defi nite time
I>def
The display messages (MMI) are shown as:
NA11
Notes are highlighted with cursive letters inside colored bar
Note: Useful description note
Glossary/defi nitions
I
En
Relay residual nominal current
I
Enp
Residual CT primary nominal current
I
n
Relay phase nominal current
I
np
Phase CT primary nominal current
50/51 Phase overcurrent ANSI code
50N/51N Residual overcurrent ANSI code
74CT CT supervision
79 Automatic reclosing
52 or CB (Circuit Breaker) Circuit Breaker
52a Auxiliary contact in the breaker that is in the same position as the
breaker. It can be assigned to a binary input to locate the CB posi-
tion (Breaker failure and/or CB diagnostic functions). (52a open = CB
open)
52b Auxiliary contact in the breaker that is in the opposite position as the
breaker (52b open = CB closed)
DFR Digital Fault Recorder (Oscillography)
SER Sequential Event Recorder
SFR Sequential Fault Recorder
ANSI American National Standard Institute
IEEE Institute of Electrical and Electronics Engineers
IEC International Electrotechnical Commission
CENELEC Comité Européen de Normalisation Electrotechnique
BF Breaker Failure
CT Current Transformer
Fw Firmware
K1...K6 Output relays
J2SE Java Platform Standard Edition
Pulse Output relay with pulse operation
Note 1 The graphic interface and the operation of the ThySetter software are described in the relative chapters
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•
NA11#0A2MM00
I
n
5A 1A 5A
U
AUX
110-230 Vac/dc
I
En
5A 1A 5A
1
2
3
4
5
NA11#0A2MM00
I
n
5A 1A 5A
U
AUX
110-230 Vac/dc
I
En
5A 1A 5A
1
2
3
4
5

Thytronic NA11 Specifications

General

Brand	Thytronic
Model	NA11
Category	Relays
Language	English