Armstrong 761216-381 Variable Speed Controller 30 HP/ 22 kW 134L7848

The Armstrong 761216‑381 Variable Speed Controller (also referenced as model 134L7848) is a heavy‑duty industrial motor speed controller designed for precision control of high‑power electric motors up to 30 HP (22 kW). Built for professionals in manufacturing, water systems, HVAC, process control, and industrial automation, this controller delivers robust performance, variable frequency regulation, and reliable speed ramping for demanding applications.

🔌 Premium Variable Speed Control Engineered for Power

• High‑Power Compatibility: Expertly rated to manage motors up to 30 horsepower / 22 kilowatts, giving you precise speed control even under heavy loads — ideal for pumps, fans, compressors, conveyors, and other large motor systems.
• Industrial‑Grade Variable Speed Performance: Allows smooth, adjustable motor ramp‑up and ramp‑down, which enhances system efficiency, reduces mechanical stress, and prolongs motor life by minimizing abrupt starts and stops.
• 134L7848 Model Identifier: Popular among technicians and facilities managers, this specific Armstrong controller model is commonly listed with part number 761216‑381 in aftermarket and used equipment marketplaces.

⚙️ Built for Reliability & Durability

• Heavy‑Duty Construction: Designed to withstand industrial environments where durability is crucial. Its rugged build supports reliable performance in continuous and cyclic duty.
• Precision Speed Regulation: Variable controllers like this improve system responsiveness by enabling fine‑tuned adjustments to motor frequency and speed, optimizing performance for varying operational demands.
• Ease of Integration: Compatible with a wide range of heavy‑duty motors and existing control systems, making it a flexible choice for retrofits, expansions, or upgrades.

🛠️ Typical Applications

Use the Armstrong 761216‑381 wherever variable speed motor control enhances performance and efficiency:

• Industrial Process Lines: Speed regulation for conveyors, mixers, and production motors.
• HVAC & Air Handling Units: Enhanced fan or blower speed control for balanced airflow.
• Water & Fluid Systems: Pump speed modulation to manage flow rates and system pressures.
• Energy‑Sensitive Operations: Where reduced power consumption and soft start control lower overall operational costs.

📊 Why Choose an Armstrong Controller

Armstrong has a strong reputation in industrial control and fluid systems, and this controller is no exception. Its combination of high‑power capability, precise variable control, and rugged construction makes it a smart investment for facilities that demand consistent performance from critical motor systems. Units like the 761216‑381 are often sought after in new, open‑box, and refurbished condition on industrial surplus and equipment marketplaces, reflecting their continued relevance and demand across sectors.

Armstrong 761216-381