NHP TERASAKI TemBreak PRO ZS250M TF Manuals

Manuals and User Guides for NHP TERASAKI TemBreak PRO ZS250M TF. We have 1 NHP TERASAKI TemBreak PRO ZS250M TF manual available for free PDF download: User Manual

NHP TERASAKI TemBreak PRO ZS250M TF User Manual (58 pages)

CircuitBreaker with Integrated Residual Current Protection (CBR), Thermal Magnetic and Residual Current Trip Unit from 125A up to250A

Brand: NHP | Category: Circuit breakers | Size: 3 MB

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
Available Cbrs in the Tembreak PRO Range
10
Label Identification
11
ZS_TF Information
12
Neutral Switching Options for 4-Pole ZS_TF Cbrs
13
Internal Accessories
14
Auxiliary & Alarm Switches
14
Auxiliary Contacts
14
Alarm Contacts
14
Heavy Duty Style Auxiliary and Alarm Switches
14
Auxiliary and Alarm Data
15
Number of Internal Accessories
15
Shunt Trip or under Voltage Trip
16
ZS_TF CBR Only Accessories
17
Trip Control Unit (TCU)
17
Tamper Proof Seal
17
Installation
18
Precautions
18
Mounting Angles
18
Direction of Power Supply
18
Clearances
19
Internal Accessory Mounting Locations
21
ZS125 Internal Accessories Combination
21
ZS250 Internal Accessories Combination
22
Alarm Switch Installation
23
Standard Alarm & Auxiliary Installation
23
Protection Settings
24
Trip Curve
24
Thermal Protection
25
TF - Adjusting I
25
R (Current)
25
Labelling of Calibrated Points
25
Magnetic Protection
26
TF - Fixed I I (Current)
26
Residual Current Protection
27
Residual Current Protection Type
27
Zero Phase Current Transformer (ZCT)
27
R - Adjusting IΔ N (Residual Operating Current)
28
R - Adjusting Δt (Time Delay)
28
Temperature Ratings
29
Integrated Residual Current Unit
30
Residual Current Unit Indication and Function Button Locations
30
Residual Current Unit Power Indication
30
Residual Current Trip Indication
31
Residual Current Unit Test Button
31
Remote Trip Operation
32
Commissioning
34
Thermal Setting (I R )
34
N ) and Time Delay (Δt) Setting
35
Residual Operating Current
36
Dielectric Test Disconnect Plug
36
Dielectric Testing Methodology
37
Troubleshooting
38
Annex a - Dimensions
40
ZS125 Dimensions
40
ZS250 Dimensions
41
Annex B - Trip Curves
42
Zs125M
42
ZS125M Residual Current Characteristic
43
Zs250M 160A
44
Zs250M 250A
45
ZS250M Residual Current Characteristic
46
Annex C - I 2 T Let through Curves
47
Zs125M
47
Zs250M
48
Annex D - Peak Let through Curves
49
Zs125M
49
Zs250M
50
Annex E - Watts Loss
51
Resistance Watts Loss
51
Annex F - Temperature Derating
52
Front & Rear Connect
52
Annex G - Connection Diagrams
53
Annex H - Wiring Diagrams & Terminal Designations
56
Internal Accessories
56
Annex I - Internal Harmonics Protection
57

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