GE TEY315ST12 - 15 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The GE TEY315ST12 is a 15A, 480V, 3-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Built for stability and longevity, this unit pins down overcurrent and short-circuit events with precision, helping you keep critical electrical systems online.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays tight through constant equipment operation and environmental factors.
• Thermal-magnetic trip unit offers stable, repeatable protection performance by reacting appropriately to both gradual overloads and sudden short circuits.
• 3-pole design tailored for three-phase circuits, ideal for commercial and light industrial electrical infrastructure.
• 480V voltage rating suitable for higher-voltage branch circuits commonly found in panelboards and load centers.
• OEM-compatible with matching GE and OEM load centers and panelboards, simplifying replacement and maintenance workflows.
• Applications across environments—residential, commercial, and light industrial contexts benefit from dependable protection for essential electrical feeds.

Technical snapshot

• Manufacturer: GE
• Part Number: TEY315ST12
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Primary Role: Branch circuit overcurrent and short-circuit protection

Why this breaker fits your needs

For panel builders, service technicians, and facilities managers, the TEY315ST12 delivers a dependable, long-term solution where space, reliability, and safety matter. The bolt-on design minimizes bus connection movement and heat buildup, while the thermal-magnetic trip unit ensures predictable behavior under varying load conditions. If you’re upgrading or replacing aging breakers in mid-to-large commercial panels or integrating protection in light industrial feeders, this 3-pole GE unit is engineered to perform consistently.

Ideal use cases

• Three-phase feeder circuits in commercial office suites and retail environments
• Power distribution blocks in light industrial facilities
• Residential-commercial hybrids with shared 3-phase panel installations
• Replacement and retrofit projects requiring OEM-compatible bolt-on breakers

Practical tips for installation and operation

• Confirm the target panelboard or load center requires a 3-pole, 15A, 480V bolt-on molded case breaker to ensure compatibility.
• Ensure secure torque on mounting hardware to preserve the integrity of the bus connection and minimize vibration-related wear over time.
• Pair with matching GE OEM components when expanding or upgrading a system to maintain cohesive protection characteristics.