GE TEYH3020B - 20 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

GE TEYH3020B is a 20A, 480V, 3-pole bolt-on molded case circuit breaker designed to guard branch circuits in panelboards and load centers. Built for dependable overcurrent and short-circuit protection, it pairs a secure bolt-on mounting with a thermal-magnetic trip unit for stable, repeatable performance in demanding environments.

Key features that matter in the field

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing loose connections in panels and enclosures.
• Thermal-magnetic trip unit delivers stable protection against overloads and rapid response to short circuits.
• Compatibility with matching GE OEM load centers and panelboards ensures reliable installation and electrical coherence.
• Rated for 20A at 480V, it's suited for three-phase distribution in residential, commercial, and light industrial settings.

Why this matters for your panel and circuits

When a fault occurs, the thermal element handles sustained overloads, while the magnetic element reacts to short circuits, instantly interrupting current to protect wiring and devices. The bolt-on design keeps the breaker firmly in place in environments where vibration or movement could otherwise loosen connections, helping reduce nuisance trips and service calls.

Technical snapshot

• Manufacturer: GE
• Part Number: TEYH3020B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal applications

Perfect for three-phase panelboards and load centers in residential, commercial, and light industrial environments where a reliable 3-pole 20A breaker at 480V is required. Use it to protect feeders and distribution subcircuits in office suites, retail spaces, data/comms rooms, and light manufacturing setups.

AmpState offers genuine GE components, including the TEYH3020B, so you can trust compatibility and performance in your electrical system. Ready to safeguard your circuits with a dependable bolt-on breaker? Add the GE TEYH3020B to your cart today.