ABB | T4N100BW | Circuit Breaker | 100A | 3-Pole | 600V | 25kA | Bolt-On

Where this unit truly shines is in retrofit, maintenance, and replacement projects that require exact specifications and seamless compatibility. The bolt-on mounting simplifies field installations and replacements, helping technicians swap in a like-for-like unit with minimal panel modification and downtime. The part number T4N100BW is the best reference for compatibility—always confirm fit and ratings against your panel’s catalog before ordering.

Key specifications

• Amperage: 100 A
• Poles: 3-Pole
• Voltage: 600 V
• Interrupting capacity: 25 kA
• Mounting: Bolt-On
• Part number: T4N100BW

Why choose the T4N100BW for your system

• Precise fit for compatible ABB panels and retrofit scenarios, reducing guesswork and installation time.
• Bolt-On mounting enables straightforward field replacement without extensive rewiring or enclosure modifications.
• High 25kA interrupting capacity provides reliable fault protection in demanding electrical spaces.
• Three-pole design ensures balanced, coordinated protection across all conductors, safeguarding downstream equipment.
• Part-number clarity (T4N100BW) gives you a reliable reference point for sourcing and cross-checking with your panel’s specifications.

Ideal use cases

• Maintenance and replacement of aging or worn-out breakers in MCCs, switchboards, and distribution panels.
• Retrofit projects where exact 100 A, 3-Pole, 600V, 25kA bolt-on protection is required.
• Industrial environments seeking quick, field-friendly upgrades that minimize downtime.

Practical tips for best results

• Always verify that your panel’s catalog and bus-bar footprint match the T4N100BW before ordering.
• Confirm your system voltage and load characteristics align with a 600 V, 25kA-rated device.
• Follow panel manufacturer torque specifications when securing the bolt-on mounting to ensure reliable operation.
• Power down the equipment and discharge any stored energy before replacement to maintain safety and protect contacts.

Upgrade or replace with confidence using the ABB T4N100BW — a precise, field-friendly solution built to deliver dependable protection when it matters most. Use the part number as your primary compatibility reference to ensure a seamless fit in your existing electrical infrastructure.