Westinghouse | 505C220G17 | Circuit Breaker | 150A | 3-Pole | 600V | Bolt-On

Meet the Westinghouse 505C220G17: a purpose-built circuit breaker engineered for demanding electrical systems. With a 150A rating, 3-pole configuration, and a 600V operational range, this bolt-on breaker delivers solid, field-ready protection for three-phase circuits in commercial and light industrial environments.

• Amperage: 150A
• Poles: 3-Pole
• Voltage: 600V
• Bolt-On design for secure attachment in compatible panels
• Reference: Part number 505C220G17 is the best compatibility reference

Why choose a bolt-on 3-pole breaker for your system

Bolt-on breakers provide a robust connection ideal for high-current, vibration-prone environments. This design reduces the risk of loose connections that can cause nuisance trips or uneven protection, making it a dependable choice for panel retrofits, maintenance, and replacements where the exact specifications match.

Ideal use cases

• Panel retrofits and upgrades in commercial facilities that run 3-phase loads
• Maintenance and replacement of legacy systems where a 150A, 3-pole, 600V bolt-on solution is required
• New installations in environments that demand solid, bolted electrical connections for reliable protection

What this means for you

With the 505C220G17, you’re investing in clear, predictable protection for your three-phase circuits. It helps safeguard motors, compressors, pumps, and other load centers from overloads and short circuits, reducing downtime and protecting both equipment and personnel. Because the part number is the strongest signal for compatibility, use 505C220G17 to verify fit before ordering and ensure continuity in your electrical inventory.

Practical tips for installation and use

• Double-check the panel’s acceptance of bolt-on 3-pole breakers and verify that your system voltage matches 600V.
• Keep the part number, 505C220G17, handy as your primary reference during ordering and cross-checks.
• Plan for secure mounting and standard safety procedures during replacement to maintain system integrity.

Designed for professionals who demand dependable protection without guesswork, the Westinghouse 505C220G17 stands out as a precise, purpose-built solution for 150A, 3-pole, 600V bolt-on circuits. If you’re updating a panel, performing routine maintenance, or replacing a worn component, this breaker delivers the reliability your electrical system depends on.