SD 802F ABB Freelance Power Supply 24VDC | 3BDH000012-REF

Product Introduction

• The ABB SD 802F (3BDH000012-REF) is a high-stability 24 VDC power module.
• It is the dedicated power source for the Freelance AC 800F control architecture.
• Utilizing an original SD 802F ensures signal integrity across the DCS backplane.
  
• This module is expertly restored to meet original performance and safety standards.

Technical Specifications

• Brand: ABB
• Model: SD 802F
• Product ID: 3BDH000012-REF
• Voltage Output: 24 VDC Stabilized
• Series Compatibility: Freelance AC 800F / AC 700F
• Protection: Integrated short-circuit and over-voltage shielding
• Cooling: Passive convection (no fans required)
• Status Monitoring: Front-panel LED diagnostic indicators
• Tariff Code: 85044030 for international shipment

Diagnostic Capabilities

• The SD 802F monitors real-time voltage health for the DCS CPU and I/O.
• It prevents electrical noise from reaching sensitive communication Fieldbus modules.
• Automatic thermal shutdown provides a fail-safe against cabinet overheating.
• Diagnostics are integrated into the AC 800F system health reporting.

Global PLC Spare HUB's Insight

• The SD 802F is critical for maintaining "clean" power in high-interference environments.
• It is superior to generic power supplies due to its specific ripple-filtering for Freelance logic.
• We recommend the ABB SD 802F for any system where communication stability is paramount.
• Using the 3BDH000012-REF version provides a cost-effective path for legacy system maintenance.

Shipping and Warranty

• Condition: Professionally restored and performance-tested.
• Warranty: 12-month comprehensive industrial replacement guarantee.
• Express Logistics: Global dispatch via FedEx, UPS, or DHL.
• Shipping Speed: Dispatched from our hub within 24 to 48 hours.

Professional FAQ

• Can I use this power supply with AC 700F systems?
• Yes, the SD 802F is compatible across the Freelance controller family.
• How do I check if the module is functioning correctly?
• The SD 802F faceplate LED will glow steady green during normal 24VDC output.
• What happens if there is a short circuit in the field wiring?
• The 3BDH000012-REF will trip its internal protection to save the DCS controller.
• Does the module require external cooling fans?
• No, but it must be mounted with enough space for natural convection airflow.
• Is the 3BDH000012-REF compatible with existing redundancy modules?
• Yes, it integrates seamlessly with Freelance redundancy hardware.

Purchasing Guide

• Confirm your total system current draw is within the SD 802F capacity.
• Ensure your rail mounting space accommodates the standard ABB power module footprint.
• For maximum reliability, consider replacing both modules in a redundant pair simultaneously.
• Verify the 3BDH000012-REF part number against your existing system BOM.

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