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1398-SR9P Allen-Bradley
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 1398-SR9P is a passive external shunt resistor module within the 1398 Ultra Series by Allen-Bradley. It supplements Ultra Drive modules such as 1398-DDM-075, -150 and 1398-PDM-075 to dissipate regenerated energy when internal drive shunting capacity is exceeded, preventing overvoltage faults. The kit, catalog number 1398-SR9P, supports continuous power dissipation of 900 W, ensuring proper operation during high-inertial deceleration events. It has been discontinued by Rockwell Automation as of December 31, 2025.
Best Suited For
- Ultra Series servo drives (1398-DDM-075/150)
- Ultra Plus drives (1398-PDM-075)
- Applications with high inertial loads requiring external power dissipation
- Replacement/retrofit on existing Ultra drive installations