Allen Bradley 1394-SR9AF SER.B Digital Servo Controller, Shunt Module

Allen‑Bradley 1394‑SR9AF Series B is a shunt module for 1394 Digital Servo Controllers, designed to dissipate regenerative energy during motor deceleration and braking in high‑performance servo drive systems. Product Type: Shunt Module (Dynamic Braking Module) Manufacturer: Allen‑Bradley (Rockwell Automation) Manufacturer Series: 1394 Digital Servo Controller Manufacturer Part Number: 1394‑SR9AF Series: B Country of Manufacture: USA Module Function: Regenerative energy dissipation (shunt) Rated Power Dissipation: 900 W Rated DC Bus Voltage: 680 VDC Compatibility: Allen‑Bradley 1394 Digital Servo Controllers Application Class: Servo drive regenerative braking Activation Method: Automatic during DC bus overvoltage conditions Cooling Method: Forced air cooling with integral fan Electrical Connection: Direct connection to 1394 DC bus Protection Features: Overtemperature and overvoltage protection Diagnostics: Integrated with 1394 drive fault and status system Housing Type: Industrial metal enclosure Mounting Type: Panel mounted inside control cabinet Operating Temperature: 0 to +50 °C Storage Temperature: −40 to +85 °C Certifications: UL, CSA, CE Typical Applications: High‑inertia servo systems, rapid deceleration applications, CNC machines, packaging equipment, and industrial motion control systems