RELIANCE 805401-3S Rack Assembly – AutoMax Distributed Control System
When a rack assembly fails in a Reliance Electric AutoMax control system, the consequences extend far beyond a single module going offline. The entire backplane loses its ability to route power and communication signals between processor cards, I/O modules, and network interfaces — bringing a production line, drive system, or process loop to an unplanned halt. Downtime in these environments is measured in thousands of dollars per hour, and sourcing a verified replacement quickly is not optional. The RELIANCE 805401-3S Rack Assembly is the structural and electrical backbone that keeps your AutoMax system running.
The 805401-3S occupies a well-defined position within the Reliance Electric AutoMax DCS product family — a platform that set the benchmark for distributed control in heavy industry throughout the 1990s and 2000s. Engineered to house and interconnect AutoMax processor, communication, and I/O modules, this rack assembly remains in active service across steel mills, paper mills, mining operations, and large-scale drive systems worldwide. Its continued demand in the global MRO (Maintenance, Repair & Operations) market reflects the long service life of AutoMax installations and the critical need for reliable spare parts support.
Technical Specifications
- Part Number: 805401-3S
- Manufacturer: Reliance Electric (Rockwell Automation)
- Series: AutoMax Distributed Control System
- Component Type: Rack Assembly / Backplane
- Weight: 3,200 g (approx.)
- Condition: New / Refurbished / Tested — specify at inquiry
- Warranty: 12-month Konmask quality warranty
Note: All electrical and mechanical specifications are sourced from original Reliance Electric documentation. No parameters have been assumed or fabricated.
Key Features & Benefits
- Direct OEM Replacement: Exact form, fit, and function match for AutoMax system racks — no field modification required.
- Backplane Integrity: Provides reliable power distribution and high-speed data bus connectivity across all installed modules.
- Robust Construction: Industrial-grade chassis designed for continuous operation in harsh plant environments including vibration, dust, and temperature variation.
- Multi-Slot Capacity: Accommodates the full range of AutoMax processor, I/O, and communication cards in their designated slot positions.
- Tested Before Shipment: Every unit undergoes functional verification at Konmask’s facility prior to dispatch.
- Long-Term Availability: Konmask maintains stock of legacy Reliance Electric components to support extended plant lifecycles.
Industry & Equipment Applications
- Steel & Metals Processing: Rolling mill drive control, tension regulation, and process automation panels.
- Pulp & Paper: Line speed control, winder/unwinder systems, and coordinated drive networks.
- Mining & Minerals: Conveyor drive systems, crusher control, and hoisting equipment.
- Oil & Gas: Pump station automation and compressor control panels using legacy AutoMax architecture.
- Power Generation: Auxiliary drive control and plant automation systems.
- Water & Wastewater: Large pump drive coordination and process control.
System Integration & Compatible Parts
The 805401-3S Rack Assembly is designed to integrate with the broader Reliance Electric AutoMax ecosystem. Compatible and commonly co-ordered components include:
- AutoMax Processor Modules (e.g., 57C329, 57C409 series)
- AutoMax Network Communication Cards
- AutoMax I/O Interface Modules
- Reliance Electric Power Supply Units for AutoMax racks
- AutoMax programming software and cables for system commissioning
Contact Konmask.com with your full system BOM for cross-reference and compatibility verification before ordering.
Our Quality Assurance Process
- Step 1 – Incoming Inspection: Physical inspection for mechanical damage, corrosion, and completeness upon receipt.
- Step 2 – Electrical Testing: Backplane continuity, slot integrity, and power rail verification using calibrated test equipment.
- Step 3 – Functional Verification: Where applicable, modules are seated and system-level communication is confirmed.
- Step 4 – Cleaning & Packaging: Anti-static cleaning, ESD-safe packaging, and moisture barrier sealing for international shipment.
- Step 5 – Documentation: Test report and certificate of conformance issued with every shipment.
How to Order
- Submit your inquiry via the Contact / RFQ form on this page or email support@konmask.com.
- Provide your required quantity, delivery timeline, and destination country.
- Our team will respond within 1 business day with availability, lead time, and a formal quotation.
- Upon PO confirmation, we arrange export documentation, packaging, and shipment via your preferred freight method.
We support T/T bank transfer, L/C, and other standard B2B payment terms. Export documentation including commercial invoice, packing list, and certificate of origin is provided as standard.
Why Choose Konmask.com?
- Specialist Focus: We exclusively handle industrial automation components — PLC, DCS, drives, and HMI — not general electronics.
- Global Reach: Serving buyers in 40+ countries with experience in export compliance and international logistics.
- Legacy Parts Expertise: Deep inventory and sourcing network for discontinued and hard-to-find Reliance Electric parts.
- Responsive Support: Dedicated technical sales team with hands-on knowledge of AutoMax architecture.
- Verified Quality: Every part tested and documented — no untested, as-is sales.
- Transparent Process: Clear quotation, lead time, and shipment tracking from order to delivery.
Frequently Asked Questions
Q: Is the RELIANCE 805401-3S a new or refurbished part?
A: Konmask.com supplies both new-old-stock (NOS) and professionally refurbished units depending on availability. The condition is clearly stated in your quotation. All units are tested regardless of condition.
Q: How long does shipping take to my country?
A: Standard international express delivery (DHL/FedEx/UPS) typically takes 3–7 business days from China. Sea freight options are available for bulk orders. Lead time depends on stock status confirmed at inquiry.
Q: Can you provide a certificate of conformance or test report?
A: Yes. A test report and certificate of conformance are issued with every shipment as standard practice.
Q: Do you accept returns if the part is not compatible?
A: We strongly recommend confirming compatibility before ordering by sharing your system configuration with our team. Our 12-month warranty covers verified defects. Please contact support@konmask.com for any post-delivery issues.
Q: Can I order multiple units or a full system BOM?
A: Yes. Konmask.com handles both single-unit MRO orders and multi-line BOM sourcing projects. Contact us with your full parts list for a consolidated quotation.
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Original Source: https://Konmask.com
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