Cummins S6700H Speed Control Unit

The Cummins S6700H is an advanced electronic speed controller designed for precise and stable engine speed regulation in generator systems. It uses closed-loop control technology to ensure quick response and smooth operation during load changes. Built for reliability and accuracy, the S6700H offers powerful performance, protection features, and easy adjustment—making it ideal for industrial, commercial, and standby power applications.

Key Features

• Fully electronic closed-loop control for accurate and stable engine speed regulation.

• Wide operating voltage range: 24V DC power supply.

• Compatible with most engine speed sensors (1–20V AC signal input).

• Adjustable speed, idle speed, droop control, and ramping functions for flexible operation.

• Fast response to load changes with steady-state speed deviation less than ±0.25%.

• Built-in protection against reverse polarity, over-speed, actuator faults, and sensor failure.

• Supports parallel operation through adjustable droop (0–3%).

• High temperature and vibration resistance for reliable performance in harsh environments.

• Operating temperature range: –40°C to +85°C; humidity up to 95%.

• Compact and durable design suitable for generator control panels and engine systems.