SQUARE D BJ125 Molded Case Circuit Breakers User Manual

: June 15, 2024
: SQUARE D

Table of Contents

SQUARE D BJ125 Molded Case Circuit Breakers
Product Information
Product Usage Instructions
Different Models
DANGER
Necessary Tools
Before Working on Equipment
Installation
Wiring
Circuit Breaker Removal
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

SQUARE D BJ125 Molded Case Circuit Breakers

SQUARE-D-BJ125-Molded-Case-Circuit-Breakers-product

Product Information

PowerPacTTM B

Specifications

Model: PowerPacTTM B
Circuit Breaker Type: I-LineTM
Maximum Current: 125A
Rated Voltage: 2440V/80347V
Interrupting Rating: 006525kA1

Product Usage Instructions

Section 1: Installation

Before starting the installation, read and understand all instructions.
Ensure that the product is operated, serviced, and maintained only by qualified personnel.
Observe all safety regulations when installing and using this product.

Section 2: Safety Precautions

Always turn off all power supplying this equipment before working on or inside it.
Use the push-to-trip button or turn off the circuit breaker to trip it.
Confirm that the power is off using a properly rated voltage sensing device.
Wear appropriate personal protective equipment (PPE) and follow safe electrical work practices.
Inspect the work area for tools and objects that may have been left inside the equipment before turning on the power.

Frequently Asked Questions (FAQ)

Q: What is the maximum current rating of the PowerPacTTM B circuit breaker?
A: The maximum current rating of the PowerPacTTM B circuit breaker is 125A.
Q: What is the interrupting rating of the circuit breaker?
A: The interrupting rating of the circuit breaker is 006525kA1.
Q: Can I install and service the equipment myself?
A: No, the equipment should only be operated, serviced, and maintained by qualified personnel.
Q: How can I confirm that the power is off before working on the equipment?
A: Use a properly rated voltage-sensing device to confirm that the power is off.
Q: Are there any safety precautions I should take when using this product?
A: Yes, always turn off the power before working on or inside the equipment, wear appropriate PPE, and inspect the work area for any tools or objects left inside the equipment.

Scan the QR code on the product for additional product information.

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Different Models

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Before starting the installation read and understand all instructions. Retain instructions for future use.

PLEASE NOTE

Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel.
The product has been designed for environment A (Class A, IEC 60947-1). Use of this product in environment B (Class B, IEC 60947-1) may cause unwanted electromagnetic disturbances in which case the user may be required to take adequate mitigation measures.
No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material.
All pertinent state, regional, and local safety regulations must be observed when installing and using this product.

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E, CSA Z462, NOM 029-STPS or local equivalent.
This equipment must only be installed and serviced by qualified electrical personnel.
Turn off all power supplying this equipment before working on or inside equipment.
Always use a properly rated voltage sensing device to confirm power is off.
Replace all devices, doors, and covers before turning on the power to this equipment.
Beware of potential hazards, and carefully inspect the work area for tools and objects that may have been left inside the equipment.

Failure to follow these instructions will result in death or serious injury.

WARNING:
This product can expose you to chemicals including DINP, which is known to the State of California to cause cancer, and DIDP which is known to the State of California to cause birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov.

Necessary Tools

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Before Working on Equipment

Turn off all power supplying this equipment before working on or inside equipment.
Turn off or use a push-to-trip button to trip the circuit breaker.
Use a properly rated voltage sensing device to confirm power is off.

Installation

NOTICE

HAZARD OF EQUIPMENT DAMAGE

Do not adjust jaws.
Do not remove the joint compound.
If necessary, use Square D™ joint compound PJC7201.

Failure to follow these instructions can result in equipment damage.

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Wiring

Mechanical Lug Connections

NOTICE

HAZARD OF OVERHEATING

Do not allow wire strands to get caught in wire-binding screw threads.
Failure to follow these instructions can result in equipment damage.

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For IEC applications, only copper wires are allowed.

EverLink™ Lugs Connections

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For IEC applications, only copper wires are allowed.

PowerPacT B DC Wiring Diagrams

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It is acceptable to ground the positive leg.

Circuit Breaker Removal

Turn off all power supplying this equipment before working on or inside equipment.
Turn off or trip the circuit breaker before removal. Make sure the circuit breaker is in the open (O) position or the trip ( ) position.
Use a properly rated voltage sensing device to confirm power is off.
Remove the circuit breaker in reverse order of installation.

Schneider Electric, Square D, and PowerPacT are trademarks owned by Schneider Electric Industries SAS or its affiliated companies. All other trademarks are the property of their respective owners.

Schneider Electric Limited