Product Details
The Woodward BL1840024, also cataloged as the BL18-400-24 Battery Charger, operates as a dedicated hardware component for continuous DC auxiliary power bus regulation and battery bank charging within industrial control enclosures. The module converts a 3-phase 400 VAC input supply into a regulated 24-27.5 VDC output at up to 18 A continuous load current. Housed in a compact assembly weighing 2.95 lbs, the unit maintains stabilized power execution across industrial control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | BL1840024 (Part #: BL18-400-24) |
| Brand | Woodward |
| Origin | USA |
| Weight | 2.95 lbs (1.34 kg) |
| Dimensions | Standard Industrial Din Rail / Panel Mount Frame |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | 3-Phase 400 VAC Input |
| Output Voltage Range | 24-27.5 VDC |
| Output Current Rating | 18 A |
| Product Category | Battery Chargers / Power Supplies |
Thermal Heat Sink Dissipation Profiles
The Woodward BL1840024 battery charger utilizes optimized thermal heat sink dissipation profiles to manage internal heat rejection under continuous 18 A output conditions. Integrated power semiconductors transfer heat directly to the extruded aluminum chassis, preventing thermal runaway during float charging cycles. Passive convection airflow across the external cooling fins maintains component junction temperatures within design limits, ensuring output voltage stability across varying input power fluctuations without requiring forced-air fans.
Frequently Asked Questions
Q: What input power configuration is required to operate the BL1840024 charger unit?
A: The charger requires a balanced 3-phase 400 VAC primary input supply. Operating the module on single-phase AC line configurations will result in degraded DC output voltage regulation and potential phase imbalance tripping.
Q: How is the output voltage adjusted between 24 VDC and 27.5 VDC?
A: Output voltage tuning is managed via internal potentiometer adjustments to set precise float charge targets for 24 V nominal lead-acid or nickel-cadmium battery banks under continuous operation.
Field Installation Guidelines
Mount the unit vertically on a rigid panel backplate or standard mounting rail inside a well-ventilated cabinet. Maintain a minimum top and bottom clearance of 100 mm around the chassis cooling fins to facilitate unimpeded natural convection airflow. Terminate the 3-phase 400 VAC input wiring and 24-27.5 VDC output lines with appropriately sized ring terminals, torquing screws to cabinet standards. Establish a solid protective earth ground using a short copper strap bonded directly to the main enclosure earth busbar prior to applying line voltage.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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