General Electric TEY240ST12 40A 2-Pole 277 V Circuit Breaker

The General Electric TEY240ST12 circuit breaker is a dependable, exact-match protection device crafted for GE panels that accept TEY-series breakers. With a 40 A rating, two poles, and a 277 V rating, this unit safeguards commercial electrical circuits against overloads and short circuits in 277 V distributions.

• Part Number: TEY240ST12
• Current rating: 40 A
• Poles: 2
• Voltage rating: 277 V
• Typical use: Protects 277 V circuits in commercial buildings (lighting, power distribution)
• Compatibility: Designed for GE electrical panels that accept TEY-series breakers

Why this matters: a 2-pole design ensures both hot legs are disconnected simultaneously, which is crucial for safe operation of 277 V circuits. The TEY240ST12 provides reliable, code-appropriate protection for mid-size commercial loads, helping prevent damage to equipment and reducing electrical risk in busy spaces like offices, retail environments, and service areas.

Whether you’re replacing a failed unit or stocking up for routine maintenance, this TEY240ST12 offers a precise, durable solution for GE panels configured to accept TEY breakers. Before installation, verify panel compatibility and follow proper electrical procedures to ensure safe, compliant operation.