Allen-Bradley 1336T-MCB-SP518 Spare Module – Main Control Board for 1336 PLUS II AC Drive Series
When a critical AC variable frequency drive loses its main control board, the consequences ripple instantly across the production floor. Conveyor lines halt, pump systems lose pressure control, and HVAC units fail to regulate airflow — all because a single intelligent module has gone offline. In high-throughput manufacturing, food processing, water treatment, and oil & gas facilities, every minute of unplanned downtime translates directly into lost revenue and compromised safety. The Allen-Bradley 1336T-MCB-SP518 Spare Module (Part No. 74101-774-54) is the precision-engineered replacement that restores your drive system to full operational status — fast.
The 1336T-MCB-SP518 is the dedicated main control board (MCB) spare module for the Rockwell Automation 1336 PLUS II series of AC adjustable frequency drives — one of the most widely deployed drive platforms in global industrial automation. Designed to handle the full spectrum of closed-loop and open-loop vector control, this module sits at the heart of the drive’s intelligence: managing speed reference processing, fault diagnostics, I/O interfacing, and communication with upstream PLCs. Its continued availability as a genuine spare part makes it indispensable for maintenance engineers managing aging but mission-critical 1336 PLUS II installations worldwide.
Technical Specifications
- Part Number / SKU: 74101-774-54 / 1336T-MCB-SP518
- Compatible Drive Series: Allen-Bradley 1336 PLUS II AC Adjustable Frequency Drive
- Module Type: Main Control Board (MCB) Spare Module
- Manufacturer: Rockwell Automation / Allen-Bradley
- Form Factor: Plug-in spare module (field-replaceable)
- Control Modes Supported: Sensorless Vector, Closed-Loop Vector, V/Hz
- Communication: Compatible with 1336 PLUS II standard I/O and optional communication adapters (DeviceNet, ControlNet, DH+, etc.)
- Condition: New / Surplus New / Refurbished (specify at inquiry)
- Weight: Approx. 100 g
- Compliance: CE, UL (per original drive certification)
Key Features & Benefits
- Drop-in Replacement: Engineered as a direct spare for 1336 PLUS II drives — no firmware re-flashing or hardware modification required in most configurations.
- Restores Full Drive Intelligence: Recovers all speed regulation, fault logging, and I/O control functions lost due to MCB failure.
- Extends Asset Life: Allows continued operation of proven 1336 PLUS II installations without costly full-drive replacement.
- Genuine Rockwell Automation Lineage: Sourced from authorized channels or certified surplus — not counterfeit or reverse-engineered copies.
- Rapid Deployment: Field-replaceable module design minimizes MTTR (Mean Time To Repair) for maintenance teams.
- Global Availability: Stocked and shipped internationally from Konmask.com to support MRO procurement worldwide.
Industry & Equipment Applications
- Manufacturing & Assembly: Conveyor systems, robotic work cells, CNC machine tool spindle drives
- Water & Wastewater Treatment: Pump station VFD control, aeration blower drives
- Oil & Gas: Wellhead pump drives, compressor control systems
- Food & Beverage Processing: Mixer drives, bottling line conveyors, refrigeration compressors
- HVAC & Building Automation: Air handling unit fan drives, chiller pump control
- Mining & Minerals: Belt conveyor drives, crusher motor control
- Pulp & Paper: Winder/unwinder tension control, refiner drives
System Integration & Compatible Parts
The 1336T-MCB-SP518 is designed for use within the Allen-Bradley 1336 PLUS II drive family. When planning a repair or spare parts inventory, consider stocking the following complementary components:
- 1336 PLUS II Power Structure modules
- 1336-MOD-A2 / A3 communication adapter modules (DeviceNet, ControlNet)
- 1336 PLUS II HIM (Human Interface Module) — 1336-GM1, 1336-GM2
- 1336 PLUS II Gate Driver boards
- Allen-Bradley 1336 PLUS II I/O option boards
- Upstream PLCs: ControlLogix (1756), CompactLogix (1769), SLC 500 (1747)
Contact our technical team at support@konmask.com for cross-reference assistance and system-level spare parts planning.
Our Quality Assurance Process
At Konmask.com, every spare module undergoes a structured verification process before shipment:
- Visual Inspection: PCB surface, connectors, and component integrity checked against OEM reference standards.
- Part Number Verification: Label, silkscreen, and firmware version (where applicable) confirmed against Rockwell Automation documentation.
- Functional Test (Refurbished Units): Bench-tested on compatible drive hardware prior to dispatch.
- ESD-Safe Packaging: All modules shipped in anti-static bags with foam cushioning to prevent transit damage.
- Traceability: Lot and serial number records maintained for warranty and audit purposes.
How to Order
- Submit your inquiry via the “Get a Quote” button or email support@konmask.com.
- Provide your required quantity, preferred condition (New / Surplus / Refurbished), and delivery timeline.
- Our team will respond within 24 business hours with availability, lead time, and a formal quotation.
- Upon PO confirmation, we arrange export documentation, ESD-safe packaging, and international freight.
- Track your shipment with our provided logistics reference number.
Why Choose Konmask.com?
- 🔧 Industrial Automation Specialists: Focused exclusively on PLC, DCS, VFD, and industrial control components — not a generalist marketplace.
- 🌍 Global B2B Export Experience: Serving MRO buyers, system integrators, and OEM procurement teams across 50+ countries.
- 📦 Reliable Stock & Fast Sourcing: Extensive supplier network ensures rapid fulfillment even for obsolete or hard-to-find parts.
- 📋 Full Documentation Support: Commercial invoice, packing list, certificate of origin, and test reports provided on request.
- 🤝 Technical Pre-Sales Support: Our engineers help you confirm compatibility before you commit to a purchase.
- 🔒 Secure Transactions: T/T, L/C, and other standard B2B payment terms accepted.
Frequently Asked Questions
Q1: Is the 1336T-MCB-SP518 a direct replacement for the original MCB in my 1336 PLUS II drive?
A: Yes. The 1336T-MCB-SP518 (74101-774-54) is the OEM-designated spare module for the 1336 PLUS II main control board. In most cases it is a direct plug-in replacement. We recommend verifying your drive’s firmware revision with our technical team before ordering.
Q2: What is the difference between a “Surplus New” and “Refurbished” unit?
A: Surplus New units are unused, original-condition modules from excess OEM or distributor stock — never installed. Refurbished units have been previously used, then professionally cleaned, inspected, and bench-tested to confirm full functionality.
Q3: Can you provide a test report or inspection certificate?
A: Yes. For refurbished units, a functional test report is available. For all units, a visual inspection certificate can be provided upon request.
Q4: What is the typical lead time for international orders?
A: In-stock items typically ship within 3–5 business days after PO confirmation. For sourced items, lead time is 7–21 business days depending on origin. Express air freight options are available.
Q5: Do you accept returns if the module is not compatible?
A: We offer a compatibility verification service before shipment. If a confirmed-compatible unit is found defective on arrival (DOA), we provide replacement or refund per our warranty policy. Please contact support@konmask.com within 7 days of receipt.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
