GE TEYL3100B - 100 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The GE TEYL3100B is a 100 A, 480 V, 3-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for consistent performance in residential, commercial, and light industrial settings, this unit combines rugged mounting with reliable protection to keep electrical systems safe and compliant.

Why this 3-pole bolt-on breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant connection to the bus, reducing movement and ensuring stable electrical contact over time.
• Thermal-magnetic trip unit delivers fast, repeatable protection for both overloads and short circuits, helping minimize equipment damage and downtime.
• OEM-ready compatibility is designed to pair seamlessly with matching GE OEM load centers and panelboards, simplifying replacements and upgrades without compatibility concerns.
• Versatile for multiple environments is suitable for residential, commercial, and light industrial applications where reliable distribution protection is essential.

Technical profile at a glance

• Manufacturer: GE
• Part number: TEYL3100B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 480 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal uses and practical scenarios

Use the TEYL3100B to protect feeder and branch circuits in panelboards and load centers where a 3-pole, 480 V solution is required. It’s particularly well-suited for:

• Three-phase distribution panels in commercial spaces and light industrial facilities
• Upgrade or replacement in GE-compatible panelboards to maintain system integrity
• Electrical rooms and service entrances where dependable short-circuit protection is critical

What problems does it solve?

• Prevents damage from overcurrent events by reliably tripping during overloads and short circuits
• Eliminates intermittent contact issues with its secure bolt-on mounting
• Reduces maintenance headaches by providing repeatable, predictable protective behavior

Installation notes and tips

For optimal performance, ensure the panelboard or load center is a GE OEM-compatible model. Use appropriate torque on the mounting bolts and verify all electrical connections are clean and tight before energizing. The 100 A rating is ideal for protecting feeders and branch circuits operating within a 3-phase 480 V distribution system.

Why choose TEYL3100B with AmpState

Designed to deliver steady protection in demanding environments, the TEYL3100B combines robust mechanical mounting with precise thermal-magnetic protection. If you’re upgrading a GE-based distribution system or stocking a reliable replacement part, this 3-pole bolt-on breaker provides a proven, industry-standard solution that aligns with GE’s panelboard ecosystems and enhances overall electrical safety and reliability.