Description
The Woodward BL20-400 (also referenced as BL20400) is a high-performance, switch-mode industrial battery charger engineered for demanding applications such as generator sets, switchgear, and engine-driven backup systems. Designed to ensure continuous operational readiness, it features an advanced multi-stage charging algorithm that optimizes battery health and extends service life. Built to withstand harsh operational environments, this robust charger provides essential protection features and flexible installation options for critical power infrastructure.

| Parameter Name | Specification Value |
| Brand | Woodward |
| Model | BL20-400 (BL20400) |
| Series | BL20 Series |
| Product Name | Industrial Battery Charger |
| Origin / Country of Manufacture | Finland / Global Manufacturing |
| Condition Status | Brand New / Factory Sealed |
| Physical Dimensions | Compact Industrial Enclosure Form Factor |
| Weight | Approx. 1.3 kg (2.9 lbs) |
| Country of Origin | Finland |
| Power / Input Range | Universal AC Input (95 to 264 VAC) |
► What is the primary function of the BL20-400 battery charger?
The unit is designed to continuously maintain and charge industrial backup batteries, ensuring dependable power availability for generator sets and switchgear control systems.
► What type of charging technology does this unit utilize?
It employs an advanced multi-stage charging algorithm (including bulk, absorption, and float stages) to protect batteries from overcharging and minimize degradation.
► What safety protections are built into the hardware?
It incorporates comprehensive protection mechanisms against short circuits, reverse polarity, overvoltage, and over-temperature conditions.
► What type of input power range does the charger support?
It features a wide universal AC input voltage range, making it highly adaptable to diverse global electrical supply specifications.
► How is the charger typically mounted in an industrial setting?
The unit is built for straightforward installation inside industrial control enclosures using standard DIN rail or panel-mounting configurations.
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