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8273-041

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8273-041
May 26, 2026

8273-041

WOODWARD 8273‑041 is an original digital speed and load sharing controller manufactured by Woodward, USA, belonging to the 2301 series. It is specially designed for diesel‑ and gas‑engine‑driven generator sets. This controller provides precise speed regulation, load sharing for parallel‑running units, overspeed protection and fault monitoring. With military‑grade reliability, vibration resistance, anti‑interference performance and wide temperature adaptability, it is widely used in marine power, oil fields, power plants, emergency power supplies and heavy‑duty industrial applications as a core control spare part for high‑power units.

Description

Core Functions

  1. Closed‑loop precise speed control with control accuracy ≤ ±0.25%, fast response to load changes.

  2. Load sharing and synchronization control for multiple parallel‑connected generator sets to stabilize grid connection.

  3. Overspeed protection, underspeed protection, stall alarm and built‑in fault diagnosis.

  4. Parameter configuration via external software, adaptable to different engine gear tooth counts and speed ranges.

  5. Direct replacement and upgrade for existing 2301A / 2301D control systems.

Electrical Parameters

  • Power Supply: 24 VDC industrial standard, wide‑voltage fluctuation tolerance

  • Input Signals: Magnetic pickup speed sensor signal, 4‑20 mA analog signal

  • Output: 0‑10 V / 4‑20 mA / PWM actuator drive, compatible with Woodward actuators

  • Communication: RS232 / Modbus RTU for remote monitoring and commissioning

  • Protection Class: Industrial‑grade, high electromagnetic interference resistance, suitable for marine and hazardous areas

Environmental & Physical Features

  • Operating Temperature: −40 ℃ ~ +85 ℃, stable performance under extreme temperatures

  • Vibration Resistance: Compliant with marine and industrial vibration standards

  • Mounting: Standard DIN‑rail or panel‑mount installation

  • Weight: Approx. 3 kg, rugged metal housing

Application Fields

  • Diesel & gas generator sets, marine power units

  • Oilfield drilling equipment, mining power systems, emergency backup power supplies

  • Gas turbines and internal combustion engine speed‑load control systems

  • Multi‑unit parallel power stations and grid‑connected power generation control

Series Information

8273‑041 is part of the Woodward 2301 Series digital speed and load sharing controllers. Common models in the same series include 8273‑1011, 8273‑1014, 8273‑140, etc. Model 041 is a general‑purpose version for standard industrial conditions.
英文版

WOODWARD 8273‑041

Product Overview

WOODWARD 8273‑041 is a genuine digital speed and load sharing controller from Woodward, belonging to the 2301 series. It is engineered for diesel and gas engine‑driven generator sets.
This unit delivers precise speed regulation, parallel‑unit load sharing, overspeed protection and fault monitoring. Featuring military‑grade reliability, vibration resistance, anti‑interference capability and wide‑temperature performance, it serves as a core control spare part widely used in marine power, oilfields, power plants, emergency power supplies and heavy‑duty industrial power systems.

Detailed Specifications & Functions

Core Functions

  1. Closed‑loop high‑precision speed control with accuracy ≤ ±0.25%, rapid response to load variations.

  2. Load distribution and synchronization control for multiple parallel‑running generator sets to ensure stable grid connection.

  3. Built‑in overspeed protection, underspeed protection, stall alarm and fault diagnosis.

  4. Parameter configuration via external software, adaptable to various engine gear tooth counts and speed ranges.

  5. Direct replacement and upgrade for existing 2301A / 2301D control systems.

Electrical Characteristics

  • Power Supply: 24 VDC industrial standard, wide voltage fluctuation tolerance

  • Input Signals: Magnetic pickup speed sensor signal, 4‑20 mA analog signal

  • Output Signals: 0‑10 V / 4‑20 mA / PWM actuator drive, compatible with Woodward actuators

  • Communication Interface: RS232 / Modbus RTU for remote monitoring and parameter tuning

  • EMC Performance: Industrial‑grade anti‑electromagnetic interference, suitable for marine and hazardous locations

Environmental & Physical Data

  • Operating Temperature: −40℃ ~ +85℃, stable operation under extreme temperature conditions

  • Vibration Resistance: Meets marine and industrial vibration standards

  • Mounting Type: Standard DIN‑rail or panel mounting

  • Weight: Approximately 3 kg, robust metal enclosure

Typical Applications

  • Diesel and gas generator sets, marine power units

  • Oilfield drilling equipment, mining power systems, emergency backup power supplies

  • Gas turbine and internal combustion engine speed‑load control systems

  • Multi‑unit parallel power stations and grid‑connected power generation control

Series Information

8273‑041 is a member of Woodward 2301 Series digital speed and load sharing controllers. Other popular models include 8273‑1011, 8273‑1014, 8273‑140, etc. The 041 variant is a general‑purpose model for standard industrial applications.


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