ABB Tmax Mccb

Production is interrupted when a feeder trips inappropriately. Conversely, if a feeder does not trip when a fault occurs on a circuit, the circuit goes through damage sequences to multiply the amount of damage to the equipment in the circuit. This relationship is the basis for the engineering of ABB Tmax MCCB assembly products, not just routinely selecting a product. These molded case circuit breakers are incorporated into low voltage (LT) distribution panels, motor control centre (MCC) panels, power control centre (PCC) sections, and heavy duty feeder boards, where fault control must be performed with precision.

To select the appropriate ABB Tmax MCCB frame and breaking capacity we begin with the actual data, such as the connected load, the prospective short-circuit current, the cable ratings associated with the application, and the duty cycles for the connected loads. The thermal and magnetic adjustable settings for these MCCB products are set up according to the type of application. There are differences in the requirements for motor feeders, capacitors, and lighting circuits. We confirm the coordination between the upstream air circuit breaker (ACB) and the downstream apparatus to ensure that only the affected circuit will be isolated.

When it comes to installing panels, proper spacing and securing busbar connections are important as well as providing a clean layout for terminating cables. Accessories such as shunt trips, auxiliary contacts, and under-voltage releases will be furnished if remote operation/monitoring is required.

All ABB Tmax MCCB's are inspected and functionally tested prior to shipment. MCCB's will provide reliable power protection, and are used in commercial and industrial applications throughout the US. Provide us with your feeder information, we will assist you with the appropriate configuration for proper operation.