1395-B77-C4-P12-P50

The Allen Bradley 1395-B77-C4-P12-P50 digital DC drive represents an advanced solution for applications requiring precise motor control. This microprocessor-controlled drive offers a regenerative power rating of up to 125 horsepower, ideal for high-demand uses. It is equipped to handle a variety of logic inputs, functioning with both 24 VDC and 120 VAC discrete signals.

The drive provides a dual-channel, isolated 12 VDC encoder supply, ensuring reliable and accurate speed regulation to within 0.01% when an encoder is in use. Input voltage requirements range from 230 to 460 VAC in a 3-phase configuration. The output voltage supplied to the armature measures 500 VDC, with the armature current continuous rating reaching an impressive 980 Amps.

For situations requiring brief surges, the drive can withstand overload conditions of 150% for up to 60 seconds. The field voltage is regulated at 240-300 VDC, with a maximum field current of 40 Amps supported, optimizing performance for various field applications. This model features a 6-pulse regenerative bridge topology and a 12-SCR dual converter configuration to manage performance effectively.

Furthermore, the 1395-B77-C4-P12-P50 is housed in an open chassis design, complete with a contactor for component protection and accessibility. It also includes a program port using RS-422 for communication, making it suitable for integrated automation systems. This drive, with its enhanced specifications and robust build, serves as a versatile choice for demanding industrial environments.