NHP TemBreak PRO - Table of Contents

4
TemBreak PRO B_BE-UM-001-EN  V1.1.0
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
Label Identification 10
B250_BE & B400_BE Information 11
B800_BE Information 12
B1000_BE & B1250_BE Information 13
B1600_BE Information 14
Internal Accessories 15
Auxiliary & Alarm Switches 15
Auxiliary Contact 15
Alarm Contact 15
Shunt Trip 16
Under Voltage Trips 16
Plugs and Ports 17
Installation 18
Precautions 18
Mounting Angles 18
Direction of Power Supply 18
Clearances 19
Internal Accessory Mounting Locations 21
B250 internal accessories combination 21
B400 internal accessories combination 22
B800 & B1000 internal accessories combination 23
B1250 & B1600 internal accessories combination 24
Alarm, Shunt & UVT Installation 25
Alarm & Auxiliary installation 25
Shunt & UVT installation 26
Protection Settings 27
Trip Curve 27
Pre-Defined Curves 28
Long Time Delay Protection (LTD) 29
Adjusting I
r
(Current) 29
Adjusting t
r
(Time Delay) 30
Short Time Delay Protection (STD) 31
Adjustment I
sd
(Current) 31
Adjusting t
sd
(Time Delay) 32
Instantaneous Protection (INST) 33
Adjusting I
i
(Current) 33
Ground/Earth Fault Protection (GF) 34
Neutral Protection (NP) 35
Alarms & Indication 36
PTA (Pre-Trip Alarm) 37
Power supply requirement 37
Connections and contact specification 38
Commissioning 39
LTD Adjustments (I
r
) 39
Pre-Defined Curve Selection 40
INST Protection Only Setting 41
LSIG 3P – GF Protection Adjustments (I
g
) 42
LSIG 4P – NP and GF Protection Adjustments (I
N
) 43
Troubleshooting 44
Annex A – Dimensions 45
B250P 45
B400P / R 47
B800N / H / G 49
B800P / R 51
B1000N / H 53
B1250N / H / HL 55
B1600N / HL 57
Annex B - Time Current Curves 59
B250_BE – I
n
40 A 59
B250_BE – I
n
125 A 62
B250_BE – I
n
250 A 65
B400_BE – I
n
250 A 68
B400_BE – I
n
400A 71
B800_BE – I
n
630 A 74
B800_BE – I
n
800 A 77
B1000_BE – I
n
1000 A 80
B1250_BE – I
n
1250 A 83
B1600_BE – I
n
1600 A 86
Annex C - I
2
t Let-Through Curves 89
B250P 89
B400P / R 90
B800N / H / G 91
B800P / R 92
B1000N / H 93
B1250N / H / HL 94
B1600N / HL 95
Annex D - Peak Let-through Curves 96
B250P 96
B400P / R 97
B800N / H / G 98
B800P / R 99
B1000N / H 100
B1250N / H / HL 101
B1600N / HL 102
Annex E – Watts Loss 103
Impedance Watts Loss 103
Annex F – Temperature Ratings Tables 104