General Electrics TKMA836300 - 300 A, 3-Pole Bolt-On Circuit Breaker | AmpState

The General Electric TKMA836300 is a high-capacity, 3-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to handle demanding three-phase applications, this 300 A breaker provides a robust solution for residential, commercial, and light industrial environments.

• Secure bolt-on mounting: a rigid, vibration-resistant bus connection keeps the breaker firmly seated, reducing movement and maintaining consistent protection in panels subject to vibration or movement.
• Thermal-magnetic trip unit: combines thermal and magnetic sensing to deliver stable, repeatable protection across a variety of fault conditions, minimizing nuisance trips and ensuring dependable response.
• 3-pole, 300 A rating: ideal for high-current three-phase circuits commonly found in commercial and light industrial panel configurations.
• Bolt-on molded case design: straightforward field installation with a durable construction designed for panelboards and loadcenters that specify bolt-on MCCBs.
• OEM-compatible: specifically designed to pair with matching General Electric OEM loadcenters and panelboards for coordinated protection and a precise fit.
• Versatile application: suitable for residential, commercial, and light industrial settings where reliable branch-circuit protection is essential.

Use cases and practical benefits:

• Primary protection in service panels and main distribution panels that manage large branch circuits.
• Three-phase distribution in commercial or light industrial environments where a rugged, high-current breaker is required.
• Retrofits or replacements in GE OEM panel boards that specify bolt-on molded case breakers for consistent performance and fit.

Technical snapshot for quick reference:

• Manufacturer: General Electric
• Part number: TKMA836300
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 300 A
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Installation and coordination tips:

• Ensure panelboard compatibility with bolt-on MCCBs and confirm a matching General Electric OEM loadcenter for proper fit and protection coordination.
• Torque mounting bolts to specification to maintain a solid bus connection and reliable electrical performance under fault conditions.