GE TJD422400 - 400 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The GE TJD422400 is a 400 A, 240 V, 2-pole bolt-on molded case circuit breaker engineered to deliver dependable overcurrent and short-circuit protection in panelboards and load centers. Built to withstand vibration and heavy-duty usage, it provides reliable performance across residential, commercial, and light industrial applications.

Why this bolt-on breaker stands out

• Rigid, vibration-resistant mounting: Secure bolt-on connection to the bus minimizes movement and improves long-term reliability in panels subjected to equipment vibration.
• Thermal-magnetic trip unit: Combines precise thermal overload protection with instantaneous magnetic trip for fast response to short circuits.
• OEM-compatible: Designed to pair with matching GE OEM load centers and panelboards for seamless retrofits and dependable electrical performance.
• High-capacity protection: 400 A rating is ideal for large residential subpanels, commercial feeders, and selected light industrial circuits.
• Practical, durable design: bolt-on architecture simplifies installation and servicing while delivering a robust, long-lasting connection to the panel’s bus.

How it helps your electrical system

By delivering both thermal and magnetic protection, the TJD422400 defends conductors and equipment from overloads and short circuits, reducing the risk of wiring damage, nuisance trips, and downtime. The bolt-on design provides a solid, repeatable connection, making future maintenance and upgrades smoother and more reliable.

Key specifications at a glance

• Manufacturer: GE
• Part Number: TJD422400
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 400 A
• Voltage: 240 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Whether upgrading an older panel or provisioning a new installation, the GE TJD422400 offers dependable, code-compliant protection with a design built to endure vibration and electrical stress. Available from AmpState, this 400 A, 240 V, 2-pole bolt-on breaker is ready to deliver robust performance in your panel system.