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Woodward BL1840024 SEG Series Battery Charger

The Woodward BL1840024, also cataloged as the BL1840024 Battery Charger and Power Supply Unit, operates as a dedicated hardware component for physical battery charging and auxiliary DC supply execution within engine control and backup power networks.

Hardware Specifications

Parameter Specification
Model BL1840024
Brand Woodward
Origin USA
Weight 1.43 kg (variant dependent)
Dimensions 273.6 x 214.1 x 59.2 mm (variant dependent)
Operating Temp -20 to +60 deg C
Power Consumption Application dependent
Input Voltage 3-phase 360-530 VAC
Output Voltage Adjustable 24-27.5 VDC
Output Current 1.5 A
Frequency 50/60 Hz
Supported Batteries Lead-acid, Gel
Charging Modes Float and Boost (automatic switching)
Protection Class IP20
Certifications CE, UL, RoHS

Actuator Loop Feedback Response

The unit incorporates localized electrical regulation topologies to deliver constant voltage and constant current control loops under fluctuating source inputs. To protect connected instrumentation, the internal electronic design implements rigorous harmonic distortion suppression, mitigating line spikes originating from primary 3-phase high-voltage switchgear. Dedicated thermal heat sink dissipation profiles prevent internal components from shifting thermal operational thresholds during rapid shifts between float and boost charging states.

Frequently Asked Questions

Q: How does the internal hardware execute the transition between float and boost charging profiles?

A: The charging circuit monitors terminal voltage and current demand loops, automatically switching its electrical regulation behavior to constant voltage during low-current float states or constant current during high-demand boost states.

Q: What physical protections protect the charging unit from field fault conditions?

A: The internal hardware contains dedicated protection loops for over-voltage, over-current, and continuous short-circuit conditions, safe-stating the primary switching output until the field fault is cleared.

Q: Is this power supply unit rated for installation in exposed, uninsulated environments?

A: No. The physical chassis is rated at IP20, which dictates deployment inside a controlled, weather-sealed industrial enclosure to limit particulate and moisture ingress.

Field Installation Guidelines

  • Mounting Clearance: Mount the unit vertically onto a rigid backplane within the control cabinet, maintaining at least 50 mm of unobstructed clearance above and below the housing to facilitate correct air convection.
  • AC Input Terminal Safety: Confirm that the primary 3-phase AC source supply lines are isolated and locked out prior to landing conductors onto the input terminal block assembly.
  • Grounding Requirements: Establish a low-impedance electrical bond from the chassis protective earth terminal directly to the main copper ground bus bar of the local control panel.
  • Conductor Sizing and Torque: Utilize field wiring specified for the rated load current and torque all terminal connections to standard engineering specifications to avoid localized terminal overheating.

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