GE TEYD3100B - 100 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The GE TEYD3100B is a 3-pole, 100A bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for reliability in demanding environments, this unit helps keep electrical systems safe and uptime uninterrupted in residential, commercial, and light industrial settings.

Why the TEYD3100B stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement and loosening in busy equipment rooms.
• Thermal-magnetic trip unit delivers stable, repeatable protection by detecting overloads with the thermal element and delivering instantaneous magnetic trips for short circuits.
• OEM compatibility is designed to pair with matching GE OEM load centers and panelboards, simplifying replacement and maintenance without compatibility concerns.

Ideal applications and use cases

With a 480V rating and 3 poles, the TEYD3100B is tailored for three-phase distribution in environments where compact, reliable protection matters. It’s well-suited for:

• Residential expansions where three-phase services or heavy-duty equipment require robust branch circuit protection.
• Commercial buildings with diversified electrical loads that demand dependable protection in panelboards and load centers.
• Light industrial facilities where vibration, dust, or equipment starts necessitate a secure, maintenance-friendly bolt-on breaker.

Technical snapshot

• Manufacturer: GE
• Part number: TEYD3100B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 480 V
• Poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical guidance for installation and performance

To maximize protection and longevity, pair the TEYD3100B with a compatible GE OEM panelboard or load center and follow standard electrical installation practices. Ensure proper torque on mounting hardware to maintain the vibration-resistant connection, and confirm alignment with the bus tabs to avoid mis-trips or nuisance openings. This breaker is designed to deliver consistent performance in multi-phase environments, helping facilities meet electrical codes and safety standards while safeguarding critical loads.

Who benefits from the GE TEYD3100B

Electrical engineers, panel builders, and facility managers who need a reliable, easily replaceable 480V, 3-pole breaker for main or sub-feed protection will find the TEYD3100B a capable choice. Its bolt-on design, robust trip unit, and OEM compatibility minimize downtime and simplify maintenance in real-world installations.