Square D | 997317 | Circuit Breaker | 125A | 3-Pole | 600V | Bolt-On

Introducing the Square D 997317 Circuit Breaker — a precise, rugged solution designed for 3-phase power systems. With 125 A capacity, 3-Pole configuration, and a 600 V rating, this bolt-on unit is built for reliability in maintenance, retrofit, and replacement projects where exact specs matter.

Key specifications

• Amperage: 125 A
• Poles: 3-Pole
• Voltage: 600 V
• Mounting: Bolt-On

Why this matters

This is not a generic breaker. The 997317 is a purpose-built bolt-on 3-pole unit that ensures compatibility with systems designed for three-phase protection up to 600 V. It delivers dependable interruption and protective performance for equipment and wiring in commercial and light industrial environments, helping to prevent fault propagation and minimize downtime during service and upgrades.

Ideal use cases

• Retrofits and replacements in existing Square D panels requiring a 125 A, 3-Pole, 600 V bolt-on breaker
• Maintenance upgrades in aging electrical enclosures where precise spec matching is critical
• New installations in systems with three-phase loads up to 125 A and up to 600 V

Compatibility and installation tips

Before ordering, confirm the fit and ratings for your panel. The part number 997317 is the most reliable reference to ensure seamless compatibility with your equipment. Bolt-On mounting provides a secure mechanical connection to the panel frame, promoting stable electrical contact under normal operation and fault conditions.

Purchase with confidence: this Square D breaker is designed to meet the demanding needs of professional electrical work, delivering dependable protection and solid performance in the right 600 V, 125 A, 3-Pole bolt-on applications.