Single Channel Exciter Module 8408-921 | Woodward Controls

Product Description

The Woodward 8408‑921 Ignition Module is a high-performance single channel exciter designed for industrial gas turbines. It delivers precise high‑energy ignition pulses directly to turbine combustion chambers, ensuring reliable startup and stable operation under demanding conditions.

Engineered with STExcite™ technology and DSP-based diagnostics, this module provides advanced fault detection, self-testing, and monitoring capabilities. Therefore, operators can quickly identify potential issues and maintain turbine reliability.

Designed as a drop-in replacement for legacy ignition drivers, the 8408‑921 simplifies upgrades and reduces downtime. Its rugged industrial construction ensures reliable performance even under vibration, temperature variations, and harsh environments.

This module is widely used in power generation, oil & gas, and marine propulsion, where uninterrupted turbine ignition is critical for operational continuity.

Technical Specifications

Product type: Ignition Module / Single Channel Exciter
Manufacturer: Woodward
Model number: 8408‑921
Function: Provides high-energy ignition pulses for turbine combustion chambers
Technology: STExcite™ high-energy ignition driver with DSP
Channels: Single channel
Input voltage: 24 VDC nominal
Output: High-current ignition pulses to igniters
Diagnostics: DSP-based self-test, fault detection, and monitoring
Weight: 5.4 kg (5443 g)
Operating environment: Rugged, vibration-resistant industrial design
Applications: Industrial gas turbines, power generation, oil & gas, marine propulsion

FAQ

Q1: What is the main function of the 8408-921?
A1: It delivers high-energy ignition pulses to turbine combustion chambers for reliable startup.

Q2: Can the 8408-921 replace older ignition modules?
A2: Yes, it serves as a drop-in replacement for legacy ignition drivers.

Q3: Does it provide diagnostic capabilities?
A3: Yes, DSP technology enables advanced fault detection, self-testing, and monitoring.

Q4: In which industries is this module commonly used?
A4: It is widely used in industrial gas turbines, power generation, oil & gas, and marine propulsion.

Q5: Is it suitable for harsh industrial environments?
A5: Yes, it is built with a rugged, vibration-resistant enclosure for reliable operation.