Description
1.Unboxing & Physical Snapshot (Dynamic List)
- Model & Brand: ABB DSSR122 (Part No. 48990001-NK)
www.cxdcsplc.com
- Physical Dimensions: 215 mm x 180 mm x 60 mm (Approximate W x H x-D)
- Estimated Shipping Weight: 1.2 kg (Enclosed in heavy-duty corrugated cartons with molded foam inserts)
- What’s in the Box: Power module circuit board assembly, metallic enclosure chassis, pluggable screw terminal connectors, and factory inspection certificate.
- 2.Product Introduction Chassis backplanes within legacy control rooms demand stable low-voltage distribution to prevent catastrophic processor brownouts during major plant transients. Engineers slide this module directly into the S100 I/O rack architecture, locking the gold-plated edge connectors securely into the passive motherboard backplane.
Unstable incoming line fluctuations destroy delicate control logic unless regulated effectively at the rack level. Maintain proper backplane seating torque to protect the bus interface pins against vibrational fatigue over decades of continuous operation.
3.Core Technical Specifications | Parameter | Value | | :— | :— | | Input Voltage | 24 VDC nominal (18 to 32 VDC operating range) | | Output Voltage | 5 VDC regulated logic supply | | Output Current Capacity | 40 A maximum continuous load | | Power Consumption | 45 W at full operational capacity | | Heat Dissipation | 153 BTU/hr thermal output | | Memory Limits | N/A (Dedicated power distribution hardware) | | Operating Temperature | 0°C to +55°C ambient cabinet conditions | | Dielectric Strength | 1500 VAC isolation between primary and secondary circuits | | Enclosure Protection | IP20 finger-safe terminal housing |
- Global Compliance & Industry Certifications Auditors demand rigorous documentation trails for power distribution hardware powering safety instrumented functions. This unit complies with major international regulatory frameworks.
- CE Mark: Fulfills European Union directives regarding electromagnetic compatibility and low-voltage safety.
- UL/cUL Listed: Validates compliance with North American industrial control panel standards.
- ATEX / IECEx: Permits safe deployment within explosive Class I Division 2 hazardous environments.
- Marine Approvals (DNV GL): Certified for vibration and temperature tolerances aboard offshore floating production platforms.
Compliance Note: A UL listing ensures internal component spacing prevents electrical fire propagation during short-circuit events. Verify specific lot certifications directly with the OEM before audit inspections.
5.Long-Term Storage & Asset Preservation Guide Shelf storage degrades electrolytic capacitors if warehouse humidity levels exceed safe preservation thresholds. Asset managers must enforce strict inventory controls for these legacy components.
Keep the module sealed tightly inside its original anti-static (ESD) moisture-barrier bag to protect the internal MOSFET gates from static discharge. Store the unit in a climate-controlled room where relative humidity stays strictly below 60%. If inventory records indicate the part has sat on a shelf past 24 months, perform a controlled variable-voltage bench test to safely reform the electrolytic capacitors prior to live cabinet installation.
6.Physical Installation Prerequisites Rack thermal management dictates physical placement inside the enclosure. Leave at least 75mm of open vertical space above and below the module chassis to facilitate unobstructed natural convection airflow across the extruded aluminum heatsink fins. Fasten the mounting brackets securely to a grounded steel sub-panel to maintain proper chassis earth continuity.
- Buyer’s FAQ (Logistics & Compliance Focus)
- What is the correct HS Tariff Code for customs processing? Industrial power supplies route under international harmonized code 8504.40.9580, though verify regional customs rulings with your licensed broker.
- Does this unit include factory firmware updates pre-installed? Hardware revision 48990001-NK functions as a passive/active power regulation device requiring no user-loadable firmware.
- How does the Country of Origin (COO) impact global trade compliance? The COO dictates preferential duty rates under international trade pacts and must match the commercial shipping invoice to prevent border delays.
- Why is comprehensive transit insurance mandatory for this component? High-value electrical subassemblies contain delicate magnetic transformers and filter capacitors that fracture under high-g dropping forces during express courier transit.
