NHP TemBreak PRO P, User Manual

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4
TemBreak PRO
P_BE-UM-001-EN V1.3.0
Table of Contents
Using this manual 2
Safety Precautions 2
Summary of Changes 3
Table of Contents 4
Introduction 5
Who Should Use This Manual? 5
Additional resources 5
Terminology and Abbreviations 6
Product Information 7
Part Number Break Down 8
Available MCCBs in the TemBreak PRO range: 9
P160_BE and P250_BE Information 10
P400_BE Information 11
P630_BE Information 12
Internal Accessories 13
Auxiliary & Alarm Switches 13
Auxiliary Contact 13
Alarm Contact 13
Shunt Trip 14
Under Voltage Trips 14
Plugs & Ports 15
Installation 16
Precautions 16
Mounting Angles 16
Direction of Power Supply 16
Clearances 17
Internal Accessory Mounting Locations 19
P160 internal accessories combination 19
P250 internal accessories combination 20
P400/630 internal accessories combination 21
Alarm, Shunt & UVT Installation 22
Standard Alarm & Auxiliary installation 22
Shunt & UVT installation 23
Protection Settings 24
Trip Curve 24
Long Time Delay (LTD) protection 25
Adjusting I
r
(Current) 26
Adjusting t
r
(Time Delay) 27
Thermal memory / Hot – Cold start mode 28
Short Time Delay Protection (STD) 29
Adjusting I
sd
(Current) 30
Adjusting t
sd
(Time Delay) 31
I
sd
Time Delay Adjustment Settings (ms) 31
I 2 t function for STD 32
Thermal Self Protection 34
Instantaneous Protection (INST) 35
Adjusting I
i
(Current) 35
Ground/Earth Fault Protection (GF) 36
Neutral Protection (NP) 37
Alarms & Indication 38
System Alarms 38
Trip Alarm 39
PTA (Pre-Trip Alarm) 40
OAC and PTA cable 40
OCR Power Supply 41
Commissioning 42
LTD Adjustments (I
r
, t
r
) 42
STD Adjustments (I
sd
, t
sd
) 43
INST Protection Adjustments (I
i
) 44
INST Protection Only Setting 45
LSIG 3P – GF Protection Adjustments (I
g
) 46
LSIG 4P – NP and GF Protection Adjustments (I
N,
I
g
) 47
Troubleshooting 48
Annex A – Dimensions 50
P160 Dimensions 50
P250 Dimensions 51
P400 Dimensions 52
P630 Dimensions 53
Annex B – Trip Curves 54
Annex C – I
2
t Let-Through Curves 55
P160_BE 55
P250_BE 56
P400_BE 57
P630_BE 58
Annex D – Peak Let Through Curves 59
P160_BE 59
P250_BE 60
P400_BE 61
P630_BE 62
Annex E – Watts Loss 63
Annex F – Rated Temperature Tables 64