Description
🚀 Product Introduction
The Woodward SEG BL20400 is a high-performance, industrial-grade battery charger designed for critical standby power applications. Known for its reliability in power generation and distribution environments, this charger ensures that lead-acid or nickel-cadmium batteries remain fully charged and ready for emergency startup operations in generators, switchgear, and substation control systems.
⚙️ Technical Specifications
| Feature | Details |
| Brand | Woodward (formerly SEG) |
| Model | BL20400 |
| Type | Industrial Standby Battery Charger |
| Input Voltage | Standard AC Industrial Grid |
| Output Voltage | Configurable for standard battery banks |
| Technology | Switch-mode or Thyristor-controlled (Application dependent) |
| Application | Gensets, UPS systems, & Control Panels |
✨ Key Product Features
- ⚡ Intelligent Charging Cycles: Features advanced multi-stage charging algorithms to optimize battery health, prevent overcharging, and extend service life.
- 🛡️ Rugged Protection: Equipped with comprehensive electronic protections against short-circuiting, over-temperature, and reverse polarity.
- 🔌 Scalable Installation: Designed for easy integration into existing control cabinets or wall-mount configurations.
- 🎨 Product Color: Standard Industrial Grey/Metal finish.
- 🖥️ Status Monitoring: Includes integrated LEDs and potential-free relay contacts for remote alarm reporting (e.g., mains failure, battery fault).

📋 Recommended Woodward / SEG & Related Power Components
These components are frequently deployed within power generation control systems alongside the BL20400 charger:
- Woodward EasyGen 3200XT (Genset Controller)
- Woodward UG-8 (Governor)
- SEG Protection Relay Series (Substation protection)
- Voltage Regulator Unit (AVR series)
- Battery Monitoring Module (Remote data logger)
- DC Distribution Fuse Panel (Power distribution)
- Isolating Transformer (Input protection)
- Automatic Transfer Switch (ATS) Controller (Switching logic)
- Woodward Protech Series (Safety system)
- Industrial DIN-Rail Power Supply (Control circuit supply)
For technical manuals, parameter setting guides, or availability of the Woodward SEG BL20400, please contact our industrial power support engineering team.

