GE TEY345 - 45 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

GE TEY345 is a rugged, 3-pole bolt-on molded case circuit breaker designed to protect your 480V three-phase systems with dependable overcurrent and short-circuit protection. Built for panelboards and load centers, this unit delivers consistent performance where it matters most—from everyday commercial panels to light industrial distributions.

Overview

Engineered for secure, vibration-resistant operation, the TEY345 uses a bolt-on mounting style that creates a rigid bus connection. Its thermal-magnetic trip technology gives you stable, repeatable protection, automatically responding to overloads and short circuits to safeguard downstream equipment and wiring.

Key Features

• Bolt-on mounting provides a secure, mechanically robust connection that resists vibration and loosening in demanding environments.
• Thermal-magnetic trip unit delivers reliable protection with fast magnetic trips for short circuits and smooth thermal trips for sustained overloads.
• OEM-compatible design is intended to pair with matching GE OEM load centers and panelboards for seamless upgrades and replacements.

Technical Specifications

• Manufacturer: GE
• Part Number: TEY345
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45 A
• Voltage Rating: 480 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal For

electricians and installation teams working on residential, commercial, and light industrial electrical systems that require reliable 480V three-phase protection. Whether you're wiring new panelboards or upgrading aging protection, the TEY345 is poised to deliver consistent performance and safer operation.

Why Choose the GE TEY345

• Secure, vibration-resilient mounting that maintains a solid connection over time.
• Predictable protection characteristics with a dual thermal-magnetic mechanism that minimizes nuisance trips while responding quickly to faults.
• Designed for straightforward integration with GE OEM load centers and panelboards, helping streamline procurement and installation.

Installation & Use Tips

• Verify compatibility with your GE OEM load centers and panelboards rated for 480V three-phase operation before installation.
• Follow the panelboard’s installation guidelines for bolt torque and proper wiring to preserve bus connection integrity.
• Use the TEY345 as a dedicated branch-circuit protective device to guard against overcurrent and short-circuit events across 480V distributions.