General Electric TEY3100-ST12 100A 3-Pole 480 V Circuit Breaker

Meet the General Electric TEY3100-ST12, a rugged, genuine GE circuit breaker designed to protect 3-phase electrical systems at 480 volts. With a 100 A rating and three poles, this unit provides reliable overcurrent protection for industrial machinery, panel boards, and motor circuits, helping minimize downtime and equipment damage.

• Current rating: 100 A
• Poles: 3
• Voltage rating: 480 V
• Part number: TEY3100-ST12
• Series: General Electric TEY family (industrial protection)

Who benefits from this circuit breaker? Facilities with 3-phase 480 V power needs, including manufacturing lines, HVAC and process equipment, conveyors, and machine controls that require reliable protection without frequent trips. It’s a practical replacement part for existing GE panels or industrial switchgear that accept the TEY3100-ST12, offering seamless compatibility and continuity of service.

Why choose this GE device over generic breakers? It’s a genuine GE component designed for dependable performance in demanding environments. The TEY3100-ST12 is built to endure the vibrations and load fluctuations common in factory floors, delivering consistent protection you can trust when it matters most.

Practical considerations and setup tips: verify that your enclosure and distribution panel accept 3-pole, 480 V GE breakers and that the TEY3100-ST12 matches your system’s protection requirements. When wiring, follow standard electrical codes and torque specifications per your panel’s manual. If you’re upgrading from a lower rating or a different pole count, consult your electrical engineer to ensure proper coordination with upstream protective devices.