NHP TemBreak PRO P Manuals

NHP TemBreak PRO P Manuals

Manuals and User Guides for NHP TemBreak PRO P. We have 1 NHP TemBreak PRO P manual available for free PDF download: User Manual

NHP TemBreak PRO P User Manual

NHP TemBreak PRO P User Manual (66 pages)

Moulded Case CircuitBreaker, Basic Electronic Trip Unit from 160A up to 630A

Brand: NHP | Category: Circuit breakers | Size: 5 MB

Table of Contents

Using this Manual

2
- Safety Precautions
  2
Summary of Changes

3
Table of Contents

4
Introduction

5
Product Information

7
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
Protection Settings

24
- Trip Curve
  24
- Long Time Delay (LTD) Protection
  25
- Short Time Delay Protection (STD)
  29
- 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
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

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