140U-D6D2-B40

The Allen Bradley 140U-D6D2-B40 is engineered as a molded case circuit breaker intended for dependable current management. It operates at a maximum rated current of 4 A, making it ideal for various applications requiring precise protection against overloads and short circuits. This circuit breaker boasts an interrupting capacity of 100 kA, which is vital for safeguarding electrical systems against excessive fault currents.

Designed with a D-frame configuration, it supports both rotary and toggle manual actuation, giving users flexibility in operation. The construction of this breaker includes screw or bolt lug terminals allowing for a secure electrical connection. It is rated for use in standard frequency applications of 50/60 Hz, along with a rated insulation voltage of 690V per IEC standards.

The 140U-D6D2-B40 is constructed to function effectively within an ambient operating temperature range of -25 °C to +60 °C and accommodates a pollution degree rating of 3. For storage, it can withstand temperatures from -40 °C to +80 °C, ensuring reliability during various environmental conditions. Additionally, this unit is suitable for installation at altitudes reaching up to 2000 meters, making it a versatile choice for installation in diverse locations. Its design features a fixed thermal trip alongside an adjustable magnetic trip to provide reliable and customizable protection for electrical circuits.