140U-D6D3-B50

The Allen Bradley 140U-D6D3-B50 is categorized as a molded case circuit breaker (MCCB), providing robust electrical protection in various applications. It is rated for a nominal current of 5 Amperes, ensuring an adequate response to overcurrent situations. The magnetic trip function activates when the current reaches 15 to 20 times its rated capacity, enabling swift interruption during fault conditions.

This MCCB features remarkable breaking capacity specifications, achieving a breaking capacity of 65 kA at 525 volts and 18 kA when operating at 690 volts. It is well-suited for applications that require reliable circuit protection under significant load conditions. Operationally, the 140U-D6D3-B50 can handle frequencies between 50 Hz and 60 Hz, facilitating use in diverse electrical systems.

Safety ratings for this circuit breaker are noteworthy. It boasts an interrupting rating of 100 kA at 240 volts, providing confidence in its capability to tolerate sudden surges. Additionally, it maintains a 50 kA interrupting rating at 600Y/347 volts, allowing for adaptable usage across numerous voltage systems.

The design enables operation within a temperature range of 0 °C to 50 °C, making it applicable in various environmental conditions. This molded case circuit breaker is a crucial component for maintaining electrical safety and protecting circuits from potential damage due to overload or short circuits.