ESD5550E Speed Control Unit – High-Performance Electronic Engine Governor

The ESD5550E Speed Control Unit is an advanced electronic governor designed to deliver fast, precise, and stable engine speed control for diesel and gas engines. Ideal for generator sets and industrial power systems, this controller ensures smooth RPM regulation and reliable performance under changing load conditions.

Key Features

• Works with 12V and 24V DC systems

• High speed stability of ±0.25%, ensuring smooth RPM

• Wide sensor input range: 1 kHz – 7.5 kHz (magnetic pickup)

• Adjustable idle speed for smooth engine startup

• 1–5% droop control for generator load sharing

• Supports remote speed trimming (±200 Hz)

• Rugged design for harsh environments: –40°C to +85°C

• Low power consumption with efficient electronic circuitry