Eaton 140D930G05 3-Pole 120 V Circuit Breaker

Introducing the Eaton 140D930G05 3-Pole 120 V Circuit Breaker — a precise, OEM-grade protection device built for reliable performance in professional electrical panels.

Designed to guard your panel against overloads and faults, this 3-pole breaker channels protection across three lines while operating at 120 volts. It’s the exact part number you need when replacing a worn or tripped unit in compatible Eaton systems, ensuring consistent trip characteristics and seamless compatibility.

Why choose the Eaton 140D930G05?

• Exact part match: Part Number 140D930G05 guarantees you’re getting the right fit for your Eaton panel and system architecture.
• 3-pole design: Provides multi-line protection in a compact 120 V footprint, making it suitable for three-wire or three-phase panels configured for 120 V operation.
• 120 V operating voltage: Optimized for low-voltage distribution in commercial and light industrial settings, helping protect critical equipment without overprotection.
• OEM reliability: Built to Eaton’s standards, delivering consistent performance and predictable trip behavior over time.
• Simple replacement: Designed for straightforward installation in compatible boards, minimizing downtime during panel maintenance.

Practical use cases

• Replacing a failed breaker in an Eaton-powered distribution panel to restore service quickly.
• Providing dedicated protection for a three-wire, 120 V circuit feeding important equipment or machinery.
• Upgrading legacy panels that require a 3-pole, 120 V Eaton breaker to maintain code-compliant protection.

Installation and care tips

• Before replacement, switch off the main power and verify that the panel accepts a 3-pole 120 V breaker with the 140D930G05 designation.
• Handle with dry hands and minimize contact with metallic parts to avoid arcing during installation.
• Label circuits after replacement to reflect new protection settings and ensure easy future maintenance.

With the Eaton 140D930G05 3-Pole 120 V Circuit Breaker, you get a trusted, purpose-built solution that aligns with your panel’s architecture and your safety and reliability goals. Whether you’re refurbishing an older Eaton setup or outfitting a new installation, this OEM part delivers consistent protection where it matters most.