ABB | S3B225TW | Circuit Breaker | 225A | 3-Pole | 240V | Bolt-On

ABB S3B225TW Circuit Breaker is a high-current, three-pole protection solution engineered for demanding 3-phase 240V systems. With a 225A rating and bolt-on mounting, this unit is built for reliability in maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 225A
• Poles: 3-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Part reference: S3B225TW

Why this model stands out

• Secure, bolt-on mounting provides a robust, vibration-resistant connection ideal for industrial panels and service entrances.
• Specifically suited for 3-phase 240V applications, delivering precise overcurrent protection for large loads without compromising system stability.
• Clear part identification (S3B225TW) makes sourcing and cross-referencing straightforward, reducing downtime during replacement or upgrades.
• Designed for retrofit and replacement scenarios where matching the exact current, pole count, and voltage is critical.

Ideal use cases

• Retrofits or replacements in commercial or industrial electrical rooms that require a 225A, 3-Pole, 240V bolt-on breaker.
• Maintenance outages where quick, accurate part matching minimizes downtime.
• New installations in panels that specify bolt-on, 3-pole 240V protection for 3-phase circuits.

Installation and compatibility tips

1. Verify fit and ratings before ordering—use the exact part number S3B225TW as the compatibility reference.
2. Confirm your panel supports bolt-on mounting and matches the 225A, 3-Pole, 240V specifications.
3. During installation, power must be off and controlled with lockout/tagout procedures per your site protocol.
4. Mount the breaker securely with the panel’s bolt-on pattern, then wire per applicable electrical codes. Follow the panel manufacturer’s torque guidelines for mounting hardware.
5. After installation, test the circuit to ensure proper trip operation and overall system integrity.

Whether you’re upgrading an aging panel, replacing a failed unit, or performing a critical retrofit, the ABB S3B225TW delivers targeted, dependable protection for your 3-phase, 240V loads with the exacting specs your project requires.