General Electric TJK436T300 Trip Unit Mag. Adj. 9003000 Amp

The General Electric TJK436T300 is a 3-pole circuit breaker trip unit designed for use with GE Type TJK circuit breakers. This high-performance trip unit offers magnetic adjustment and is rated for 300 amps at 600V AC, providing reliable protection against overcurrent and short-circuit conditions. The TJK436T300 trip unit features an adjustable magnetic trip range from 900 to 3000 amps, allowing you to customize the trip settings based on the specific protection needs of your electrical system.

Ideal for use in industrial applications, panelboards, switchgear, and motor control centers (MCCs), the TJK436T300 ensures that your system is protected from damage due to excessive current by automatically tripping in the event of an overload or short circuit. This trip unit provides a critical safety function, protecting valuable equipment and ensuring the smooth operation of your electrical distribution system.

Key Features:

• 3-Pole Configuration: The TJK436T300 is designed for 3-phase circuits, offering 3-pole protection for three-phase electrical systems. It is perfect for protecting motor control centers (MCCs), panelboards, industrial machinery, and other three-phase applications.

• 300A Rating: The trip unit is rated for 300 amps, offering reliable overcurrent protection for medium to large electrical systems. It provides safe and efficient circuit protection for a wide variety of industrial and commercial applications.

• Magnetic Trip Adjustment (900-3000A): The TJK436T300 features a magnetic trip unit with an adjustable range of 900 to 3000 amps. This allows for precise configuration of the trip point to meet specific requirements, ensuring that the breaker trips at the correct threshold in the event of a fault.

• Overcurrent & Short-Circuit Protection: The primary function of the TJK436T300 trip unit is to provide reliable protection from overcurrent and short-circuit events. It responds quickly to dangerous conditions, minimizing damage to equipment and ensuring safety for your electrical system.

• 600V AC Rating: With a maximum voltage rating of 600V AC, this trip unit is suitable for use in a variety of industrial and commercial electrical systems that require higher voltage ratings for proper operation.

• Enhanced Safety: By offering instantaneous magnetic tripping and adjustable settings, the TJK436T300 ensures that your electrical system is safeguarded against short circuits and excessive currents, preventing potential damage to connected equipment and ensuring operational safety.

• Easy Installation & Retrofit: The TJK436T300 is designed to be easy to install and can be used as a replacement or retrofit in existing GE Type TJK circuit breakers. It simplifies maintenance and upgrading of your electrical distribution system.

• High Interrupting Capacity: The TJK436T300 is engineered to handle high fault currents, offering reliable performance in systems with high interrupting capacities, minimizing downtime and ensuring operational reliability.

• UL Listed & NEC Compliant: The TJK436T300 is UL Listed, ensuring that it meets rigorous safety standards and is compliant with the National Electrical Code (NEC) for use in commercial and industrial installations.

We ship orders Monday through Friday, excluding holidays. Most in-stock items are processed and shipped within 1–2 business days. Once your order ships, you’ll receive tracking information via email.

Standard Shipping: 2–5 business days (carrier: USPS, UPS, or FedEx depending on item size and destination)

Expedited Shipping: Available upon request. Contact us before ordering.

Freight Shipping: Larger or palletized orders may ship via LTL freight. We’ll contact you directly for delivery coordination.

Shipping Rates:
Shipping costs are calculated at checkout based on weight, dimensions, and destination. For bulk orders or local pickups, please contact us for custom shipping options.

New Products are covered by a 90 Day Warranty. Used Products are sold as is.

   Returns are accepted within 30 days of delivery.
    •    Items (new or used) must be in the same condition as received and include original packaging when possible.
    •    A receipt or proof of purchase is required.
    •    Buyer is responsible for return shipping unless the item is defective or not as described.

 A 20% restocking fee applies to all returns not due to defects or listing errors (e.g., ordered by mistake, no longer needed).
    •    This fee will be deducted from the refund total.