General Electrics TEYD2125B - 125 A, 2-Pole Bolt-On Circuit Breaker | AmpState

Introducing the General Electrics TEYD2125B — a rugged 2-pole, 125A bolt-on molded-case circuit breaker built to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. When reliability matters, TEYD2125B provides a rock-solid foundation for your electrical protection needs.

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays put in busy panels, reducing movement and arcing risk over time.
• Thermal-magnetic trip unit combining precise thermal overload sensing with fast magnetic trip for stable, repeatable protection performance against both overcurrents and short circuits.
• OEM-compatible design engineered to pair with matching General Electrics OEM loadcenters and panelboards for a smooth, reliable install and consistent protection standards.
• Versatile application suitable for residential, commercial, and light industrial environments where reliable protection and panel longevity matter.

Technical snapshot

• Manufacturer: General Electrics
• Part Number: TEYD2125B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125A
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker matters in your electrical system

The TEYD2125B is more than a switch — it’s a critical safeguard that keeps your circuits within safe operating limits. The 125A rating makes it ideal for feeders and main distribution paths in panelboards and loadcenters where higher current demands are common. Its bolt-on design guarantees a secure connection, reducing the likelihood of loose terminations that can compromise protection during peak loads or in vibration-prone environments. The integrated thermal-magnetic trip unit ensures you get reliable, predictable responses to overloads and faults, helping to minimize downtime and protect downstream equipment.

Ideal use cases

Use the TEYD2125B in new installations or panel upgrades where a 2-pole, 125A protection device is required. It’s well-suited for:

• Residential service panels upgrading to handle heavier branch circuits
• Commercial distribution panels and subpanels with moderate to high demand
• Light industrial enclosures where robust protection and durable mounting matter

With its OEM-compatible design and robust construction, the TEYD2125B helps you maintain consistent protection standards across your electrical infrastructure. It’s a practical, reliable choice for professionals who prioritize performance, fit, and longevity in panelboard protection.