terasaki mccb shunt trip

Moulded Case Circuit Breakers & Circuit Breakers with Residual Current Protection

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• TERASAKI TemBreak PRO
• User manual

NHP TERASAKI TemBreak PRO User Manual

• page of 56 Go / 56

Table of Contents

Troubleshooting, using this manual.

• Safety Precautions

Summary of Changes

Introduction.

• Who Should Use this Manual
• Additional Resources
• Terminology and Abbreviations

Product Information

• Part Number Break down
• Available Mccbs in the Tembreak PRO Range
• P160_TM Information
• P250_TM Information
• P400_TM Information
• P630_TM Information

Internal Accessories

• Auxiliary Contact
• Alarm Contact
• Under Voltage Trips

Installation

• Precautions
• Mounting Angles
• Direction of Power Supply
• P160 Internal Accessories Combination
• P250 Internal Accessories Combination
• P400/630 Internal Accessories Combination
• Standard Alarm & Auxiliary Installation
• Shunt & UVT Installation

Protection Settings

• R (Current)
• I (Current)
• Neutral Protection
• Temperature Ratings

Commissioning

• Thermal Setting (I R )
• Magnetic Setting
• Neutral Protection Setting (N)

Annex a - Dimensions

• P160 Dimensions
• P250 Dimensions
• P400 Dimensions
• P630 Dimensions

Annex B - Trip Curves

• P160F / N / H
• P250F / N / H
• P400E / F / N / H / S
• P630E / F / N / H / S

Annex C - I 2 T Let through Curves

Annex d - peak let through curves, annex e - watts loss, annex f - temperature calibration tables.

• Front & Rear Connect
• Plug-In Connect

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• 1 P160_Tm Information
• 2 P250_Tm Information
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Summary of Contents for NHP TERASAKI TemBreak PRO

• Page 1 P Model Moulded Case Circuit Breaker Thermal Magnetic Trip Unit from 160A up to 630A USER MANUAL Version 1.3.0 1300 NHP NHP nhp.com.au NHP Electrical Engineering Products 0800 NHP NHP nhp-nz.com...

Page 2: Using This Manual

Page 3: summary of changes, page 4: table of contents, page 5: introduction, page 6: terminology and abbreviations, page 7: product information, page 8: part number break down, page 9: available mccbs in the tembreak pro range, page 10: p160_tm information.

• Page 11 Product Information P160_TM Information Frame / Model Attribute Unit Condition P160F_FF P160F_TM P160N_TM P160H_TM Number of Poles 3, 4 3, 4 3, 4 Nominal current ratings 50°C 15, 20, 20, 32, 20, 32, 20, 32, Trip unit ratings Calibration 30, 40, 50, 50, 63, 50, 63, 50, 63,...

Page 12: P250_Tm Information

Page 13: p400_tm information, page 14: p630_tm information, page 15: internal accessories, page 16: shunt trip, page 17: installation, page 18: clearances.

• Page 19 Installation Insulating Distance When earth metal is installed within proximity of the breakers, the correct insulating distance must be maintained, (refer to Minimum Clearance). This distance is necessary to allow the exhausted arc gases to disperse. This could include the mounting plate or side panel within a switchboard. Minimum Clearance Below illustrates the minimum clearance that must be maintained.

Page 20: Internal Accessory Mounting Locations

Page 21: p250 internal accessories combination, page 22: p400/630 internal accessories combination, page 23: alarm, shunt & uvt installation, page 24: shunt & uvt installation, page 25: protection settings, page 26: thermal protection, page 27: ff - fixed i, page 28: magnetic protection, page 29: ff - fixed i.

• Page 30 Protection Settings Magnetic Protection Adjusting I (Current) Multiple increments shown on the label differ depending on the MCCB frame size and OCR rating. The below tables provide the available increments which may be set per MCCB and OCR combination, and the resulting I current threshold.

Page 31: Neutral Protection

Page 32: temperature ratings, page 33: commissioning, page 34: magnetic setting, page 35: neutral protection setting (n), page 36: troubleshooting, page 37: annex a - dimensions, page 38: p250 dimensions, page 39: p400 dimensions, page 40: p630 dimensions, page 41: annex b - trip curves, page 42: p250f / n / h, page 43: p400e / f / n / h / s, page 44: p630e / f / n / h / s, page 45: annex c - i 2 t let through curves, page 46: p250f / n / h, page 47: p400e / f / n / h / s, page 48: p630e / f / n / h / s, page 49: annex d - peak let through curves, page 50: p250f / n / h, page 51: p400e / f / n / h / s, page 52: annex e - watts loss, page 53: annex f - temperature calibration tables, page 54: plug-in connect.

• Page 55 This page is intentionally left blank TemBreak P_TM-UM-001-EN – V1.3.0...
• Page 56 P_TM-UM-001-EN Version 1.3.0 Published 28th May 2021 1300 NHP NHP nhp.com.au NHP Electrical Engineering Products 0800 NHP NHP nhp-nz.com...

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A shunt trip allows an MCCB to be tripped remotely on the application of the rated coil voltage across the shunt trip terminals.

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Moulded Case Circuit Breakers New TemBreak2 68 Pages

Catalog excerpts

| Innovators in Protection Technology

Molded Case Circuit Breakers 3. Ratings and operation data of auxiliary and (2) Breaker-mounted (field installable)(HB) (3) Door-mounted (depth adjustable) (HS) standard type •••3-16 (2) CR for rear-connected and plug-in breakers 4. Characteristics and Outline Dimensions

FEATURES Saving space and saving money ! No.4 No.1 No.6 Compact size: W75 H130 D68; Operation in pollution degree 3 to IEC standard IP20 protection for the terminals and high breaking capacity: 40kA and IP30 protection for the front cover 415V (S160-SF/SJ) with toggle (with terminal covers) No.9 No.7 Two alarm Unique accessory switches can be cover opens with easily installed only one screw No.8 No.5 Practical internal Suitable for isolation accessories can with positive contact be installed with indication one touch • ayxiliary switch • alarm switch No.2 • shunt trip • undervoltage Huge...

Molded Case Circuit Breakers

1 Ratings and Specifications Molded Case Circuit Breakers zFixed thermal and fixed magnetic MCCBs 100 DC 690V 500V 440V 415V 380V 240V 250V 125V 160 250 S160-SCF S160-SF E250-SF 3 1 2 3 4 2 10 15 20 30 40 AC 160 E160-SF 2 center pole omitted Rated insulation voltage Ui V Rated impulse withstand voltage U imp kV Utilization Category Rated breaking capacity, kA IEC60947-2 AC Icu/Ics(sym) 160 E100-SF Frame size (A) Type Number of poles Ratings Rated current, A Calibrated at 40°C 50 60 75 100 16 63 20 80 25 100 32 125 40 50 (45°C only) 15 20 30 40 50 60 15 20 30 40 50 60 75 100 125 160 125 150...

1 Ratings and Specifications Molded Case Circuit Breakers xAdjustable thermal and adjustable magnetic MCCBs 160 160 S160-SJ E250-SJ 3 3 3 250 250 S160-SCJ Frame size (A) Type Number of poles Ratings Rated current, A Calibrated at 45°C 4 4 S250-SJ 4 3 Rated insulation voltage Ui V Rated impulse withstand voltage U imp kV Utilization Category Rated breaking capacity, kA IEC60947-2 AC Icu/Ics(sym) DC AC 690V 500V 440V 415V 380V 240V 250V 125V 25 40 63 80 100 125 160 100 125 160 200 250 690 8 A 690 8 A 800 8 A 800 8 A 7.5/4 15/7.5 25/13 25/13 35/18 20/10 30/15 6/3 10/7.5 25/13 40/20 40/20 50/25...

1 Ratings and Specifications Molded Case Circuit Breakers cSwitch-disconnectors 160 V d b S250-SN 3 Rated short circuit making capacity, kA peak Rated short time withstand current, kA Rated impulse withstand voltage U imp kV Performance Utilization category AC IEC 60947-3 DC Upstream breaker (OCPD) @9 External dimensions, mm a 250 S160-SN Frame size (A) Type Number of poles Ratings Rated current, A Rated insulation voltage Ui Rated operational voltage V c AC AC DC 690V 250V a b c d 160 690 690 250 2.8 2 0.3sec 8 250 690 690 250 6 3 0.3sec 8 AC-23A DC-22A S160-SF AC-23A DC-22A S250-SF 75 130...

2 Mounting and Connection Molded Case Circuit Breakers zType of connections and mountings List of connecting types Front-connected (FC) Connecting types (Abbreviation) For compression terminals / flat bars With extension bars Rear-connected (RC) With cable clamps Flat bar studs Stud can be turned 45° or 90° Outer view Breaker E100-SF ' E160-SF ' S160-SCF S160-SF ' S160-SCJ S160-SJ S160-SN ' E250-SF S250-SF E250-SJ S250-SJ S250-SN ' • Extension bars are attached • Connect compression to breaker terminals. terminals or flat bars directly Connect compression to breaker terminals. terminals or...

Molded Case Circuit Breakers Front connected type (without extension bar) Front connected type (with extension bar) (D. Commercially made compression terminals can be used (refer to I JST : Made by Japan Solderless Terminal Manufacturing Co., Ltd. NTK : Made by Nippon Tanshi Co., Ltd. NTM : Made by Nichifu Terminal Industries Co., Ltd. MELEC : Made by Shanghai JiaMeng Electrical Equipment Co., Ltd. (D. Compression terminals in i i box cells are made by us at Terasaki. They are available from us or our authorized agents. (f). Compression terminals enclosed in parentheses are to be used as...

Connection (two terminals) If a shortage of insulating occurs between the mounting plate and a terminal, use a recommended taping or insulator. 2 When a single terminal is connected Terasaki made compression terminals are used (refer to 60-2BA 80-3BA box) 100-3BA 18.0 22 2.6 2.3 2.0 Nominal size engraved If a shortage of insulating occurs, use a recommended taping or insulator. 22.3 +0.7 –0.5 If a shortage of insulating occurs, use a recommended typing or insulator. ➤ Make connection so that the screw heads face toward the mounting surface. 21.0 Connection (two electric cables) ➤ ⎛ ⎜ ⎜ ⎝...

Molded Case Circuit Breakers 3 Terminal screw sizes and standard torques Wire clamping screw Pan head screw Hex socket head bolt

2 Mounting and Connection Molded Case Circuit Breakers vInsulation distance from the line side The insulation distance between the breaker and earthed metal parts and insulators shown in the table on the next page must be maintained to prevent arcing faults occurring due to conductive ionised gas. In addition, completely cover exposed conductors, to their roots at the breaker or to below the height protected by interpole barriers, on the line side of the breaker using insulation tube or tape, in order to provide positive ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ protection against short...

2 Mounting and Connection Molded Case Circuit Breakers vInsulation distance from the line side Insulation distance, mm (AC 460 V or less) Note q Molded Case Circuit Breakers 1 Breaker 2 E100-SF 30 10 10 ✽ Possible to set close 25 Not less than the length of the bare live part Note 3 E250-SF, E250-SJ 50 40 40 ✽ Possible to set close 50 Not less than the length of the bare live part Note 3 S160-SCF, S160-SF, S160-SCJ, S160-SJ 50 50 10 ✽ Possible to set close 25 Not less than the length of the bare live part Note 3 S250-SF, S250-SJ 50 50 40 ✽ Possible to set close 50 Not less than the length...

(2) CR for rear-connected and plug-in breakers

Molded Case Circuit Breakers 1 Internally mounted accessories 1. Connection diagrams and terminal numbers Combination symbol Connection diagram and terminal No. »With anti-burn switch Applicable to E100-SF. . Shunt trips are fitted with anti-burn switches »Without anti-burn switch Applicable to other breakres except E100- SF. Shunt trips are continuous rating without anti-burn switches. Nr*TRIP NrTRIP Molded Case Circuit Breakers Shunt trip |~~| CD: The two-pole type breaker obtained by modifying a three-pole breaker by removing the conductive part of its central pole is regarded as the...

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Switch disconectors and non-automatic trip brerakers, circuit breaker with earth leakage alarm, single phase 3-wire circuit breakers with neutral phase open protection and earth leakage alarm, single phase 3-wire circuit breakers with neutral phase open protection, circuit breaker for distribution boards, earth leakage circuit breakers, earth leakage circuit breakers for motor protection, single phase 3-wire earth leakage circuit breakers with neutral phase open, externally mounted accessories, connecting parts.

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