Original Industrial Spare Part

48990001-LR | ABB DSSR 122M Voltage Regulator – Original Spare Parts

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SKU: DSSR122M SIS Safety & Redundancy Systems ABB

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48990001-LR — ABB DSSR 122M Voltage Regulator Unit (Marine-Grade, Original Spare Parts)

As a procurement manager sourcing critical spare parts for industrial automation systems, you need components that are 100% Brand New and Factory Sealed — no compromises. The ABB 48990001-LR is a precision-engineered DC voltage regulator module designed for mission-critical marine and industrial control environments. Rated at 24VDC input with a tightly regulated 5VDC/40A output, the 48990001-LR ensures unwavering power stability for sensitive PLC System controllers, DCS platforms, and shipboard automation cabinets. This unit is 100% Original and Brand New, sourced directly from authorized supply chains to meet the highest E-E-A-T standards demanded by industrial procurement teams worldwide.

Downtime in offshore platforms or process plants is never an option. The ABB DSSR 122M addresses the chronic challenge of voltage instability in harsh maritime environments — vibration, humidity, and wide temperature swings — by delivering regulation accuracy within ±1%. Whether you are maintaining an ABB 800xA Distributed Control System, upgrading a legacy SCADA installation, or replacing an end-of-life Control Module in a robotics cabinet, this Original New spare part integrates seamlessly into existing ABB architectures. Industrial Automation engineers across Oil & Gas, Power Generation, and Marine sectors rely on this module to protect downstream instrumentation from ripple and transient surges.

Backed by a 1-Year Warranty and fast global logistics, the 48990001-LR is your dependable solution for uninterrupted operations. Contact our technical team today for a competitive quote and same-day shipping confirmation.

Technical Specifications & Selection Guide

Specification Value
Part Number / Model 48990001-LR
Product Name ABB DSSR 122M Regulator Unit
Brand ABB
Input Voltage 24VDC Nominal
Output Voltage 5VDC Regulated
Maximum Output Current 40A Continuous
Regulation Accuracy ±1%
Marine Classification Certified for Harsh Maritime Environments
Mounting Standard DIN Rail Compatible
Weight 2.38 kg
Country of Origin Switzerland
Condition 100% Brand New, Factory Sealed
Compatible Systems ABB 800xA DCS, SCADA, Robotics Control Cabinets

Selection Guide: The 48990001-LR is the preferred choice when your application demands a compact, DIN-rail-mounted DC-DC regulator with marine certification. For higher output current requirements or alternative voltage rails, consult our technical team for compatible ABB DSSR series alternatives.

Core Features & Technical Advantages

  • Precision Voltage Regulation: Maintains 5VDC output within ±1% tolerance under full 40A load — critical for protecting PLC System I/O cards and Control Module logic circuits.
  • Robust Marine-Grade Construction: Engineered to withstand salt spray, vibration, and temperature extremes per marine classification standards, ensuring reliable performance in offshore and shipboard environments.
  • Heavy-Duty Continuous Current Capacity: 40A continuous output rating supports large-scale DCS and SCADA power distribution without thermal derating.
  • Integrated Protection Circuits: Built-in overcurrent and thermal shutdown safeguards downstream Spare Parts and instrumentation, minimizing unplanned maintenance events.
  • Compact DIN Rail Form Factor: Space-optimized design reduces panel footprint in crowded Industrial Automation control enclosures.
  • 100% Original and Brand New: Factory-sealed with full ABB traceability documentation, supporting E-E-A-T compliance for regulated industries.

Typical Application Scenarios

✅ Oil & Gas Upstream & Midstream: Offshore drilling platforms and FPSO vessels demand power modules that never fail. The ABB 48990001-LR provides the voltage stability required by safety instrumented systems (SIS) and emergency shutdown (ESD) controllers operating in Zone 2 hazardous areas.

Power Generation & Utilities: Turbine control panels and substation automation systems rely on stable 5VDC rails to power protection relays and communication gateways. This regulator eliminates voltage sag during load transients common in generator start-up sequences.

✅ Marine & Shipboard Automation: Integrated bridge systems, propulsion control, and cargo management platforms aboard commercial vessels require marine-certified power modules. The DSSR 122M’s classification approval makes it the go-to replacement for aging shipboard control cabinets.

✅ Process Manufacturing & Chemical Plants: Continuous process industries cannot tolerate control system interruptions. Replacing a failed regulator with an Original New 48990001-LR restores full DCS functionality within hours, avoiding costly production shutdowns.

✅ Robotics & Factory Automation: ABB robotics control cabinets housing IRC5 and OmniCore controllers depend on clean, regulated DC power. The DSSR 122M integrates directly into existing ABB power distribution architectures as a certified Original Spare Part.

Logistics & Professional Service

  • 2-Day Express Shipping Available: Urgent replacement orders dispatched within 24 hours of payment confirmation to minimize your plant downtime.
  • 1-Year Warranty: Every 48990001-LR unit ships with a full 12-month warranty covering manufacturing defects, backed by our technical support team.
  • EOL Legacy System Support: We specialize in sourcing discontinued and hard-to-find ABB Spare Parts, including obsolete DSSR series modules no longer available through standard distribution channels.
  • Full Documentation Package: Certificate of Origin, test reports, and ABB datasheet available upon request to satisfy your quality assurance and customs requirements.
  • Fast Global Shipping: Serving customers in Europe, Middle East, Southeast Asia, and the Americas with DHL, FedEx, and UPS express options.

FAQ — Frequently Asked Questions

Q1: What is the lead time for the ABB 48990001-LR?
A: In-stock units are typically dispatched within 1-2 business days. For urgent Industrial Automation shutdowns, we offer same-day processing on orders confirmed before 2:00 PM (GMT+8). Contact us directly for real-time stock confirmation.

Q2: Is the 48990001-LR 100% Original and Brand New?
A: Absolutely. Every unit we supply is 100% Original and Brand New, sourced from authorized ABB distribution channels. We provide full traceability documentation including Certificate of Conformance and factory test records upon request.

Q3: Can you provide the ABB DSSR 122M datasheet for the 48990001-LR?
A: Yes. The official ABB DSSR 122M datasheet, wiring diagrams, and installation manual are available upon request. Please contact our technical team at sale@ninermas.com with your inquiry and we will respond within 4 business hours.

Q4: What is the price of the 48990001-LR and are discounts available for bulk orders?
A: Pricing is competitive and varies based on order quantity and delivery urgency. Volume discounts are available for procurement of 3 or more units. Request a formal quotation through our contact form or email for a tailored offer.

Q5: Is the ABB 48990001-LR compatible with the ABB 800xA DCS platform?
A: Yes. The ABB DSSR 122M (48990001-LR) is an Original ABB factory component fully compatible with the 800xA Distributed Control System power distribution architecture, as well as legacy ABB Advant and MOD 300 control platforms.

Q6: Do you provide a Certificate of Origin for customs clearance?
A: Yes. A Certificate of Origin (Switzerland) is provided with every shipment. Additional customs documentation, including HS code declarations and commercial invoices, can be prepared upon request to facilitate smooth import clearance in your country.


© 2026 NINERMAS COMPANY LIMITED. All rights reserved. Original Source: https://ninermas.com | Contact: sale@ninermas.com | +0086 187 5021 5667

Product Series

Advant OCS (800xA)

Country of Origin

US

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