Description
Product Core Brief
- Model: SC520M — 3BSE016237R1
- Brand: ABB
- Series: ABB Advant OCS controller hardware
- Core Function: Submodule carrier with local CPU for Advant OCS controller systems, supporting MB300 / MB300E communication.
- Product Type: Controller submodule carrier / base module with local CPU
- Key Specs: 3BSE016237R1 | Advant OCS platform | Local CPU | MB300 / MB300E support
- Condition: New Original (New Surplus) / Factory Sealed
Product Introduction
The ABB SC520M 3BSE016237R1 is a submodule carrier with local CPU for ABB Advant OCS controller platforms. Unlike a passive carrier, the SC520M includes its own processing capability and supports MB300 / MB300E communication, allowing it to participate in distributed control tasks while hosting compatible I/O or communication sub-modules.
This module matters in legacy Advant OCS installations where carrier hardware with local CPU functionality becomes difficult to source. A failed or missing SC520M can prevent a sub-module from being commissioned, even when the I/O and logic remain serviceable. Keeping a verified 3BSE016237R1 unit available helps maintenance teams restore legacy racks without waiting on extended lead times or redesigning the control architecture.
Key Technical Specifications
- Part Number: 3BSE016237R1
- Product Designation: SC520M submodule carrier
- Platform Compatibility: ABB Advant OCS controller systems
- Local CPU: Yes — carrier includes local CPU
- Communication Support: MB300 / MB300E
- Application: Hosts I/O or communication sub-modules in legacy ABB controller racks
- Replacement Type: Field-replaceable service unit
- Fitment: Designed for Advant OCS controller architecture
- Packaging: ESD-protected, shock-aware industrial packing
- Traceability: ABB part number and revision marked
- Supply Status: New Original / Factory Sealed inventory
- Warranty: 12 months from shipment
- Lead Time: Same-day dispatch when in stock
- Note: Exact sub-module compatibility depends on the host controller configuration
Key Selling Points & Differentiators
- OEM-identifiable part number for clean procurement approval.
- Direct replacement for SC520M positions in Advant OCS systems.
- Includes local CPU, unlike basic passive carriers.
- Supports MB300 / MB300E communication.
- Factory-sealed surplus reduces handling and storage risk.
- ESD-safe packaging protects controller interfaces during transit.
- Useful for maintaining legacy ABB DCS and controller installations.
- Not recommended for AC 800M, AC 800F, ACS drives, or unrelated ABB platforms.
Quality Transparency SOP
- Visual inspection: Check housing, mounting points, connectors, labels, and part number 3BSE016237R1.
- ESD handling: Anti-static bag, grounded work surface, sealed until installation.
- Connector verification: Confirm pin integrity, seating, and mechanical alignment.
- Compatibility check: Match the carrier to the correct Advant OCS rack position, sub-module type, and MB300 / MB300E configuration.
- Documentation review: Match part number, revision, lot/serial traceability, and packing condition.
Technical Risk Avoidance
- ❗ Confirm the exact Advant OCS controller model and sub-module type before ordering.
- ❗ Verify that your system requires a carrier with local CPU. SC520M is not a direct replacement for all SC-series carriers.
- ❗ Verify MB300 / MB300E compatibility with your existing network configuration.
- ❗ De-energize and follow proper lockout/tagout before removing or inserting modules.
- ❗ Do not force connectors or mounting hardware. Misalignment may indicate wrong slot, wrong revision, or backplane damage.
Buyer’s FAQ
- Is this a genuine ABB part?
Yes. It is supplied as ABB SC520M with part number 3BSE016237R1. Traceability should be confirmed through labeling and packaging. - Is it new or refurbished?
Listed as New Original / New Surplus, factory sealed when available. It is not a repaired or refurbished module. - Which systems does it fit?
It is designed for ABB Advant OCS controller platforms as a submodule carrier with local CPU. Confirm your rack type and sub-module configuration before ordering. - How is SC520M different from SC520?
SC520M includes a local CPU and supports MB300 / MB300E, while SC520 is a basic submodule carrier. They are not always interchangeable. - Can it be used in AC 800M or AC 800F racks?
No. SC520M is an Advant OCS-related carrier and should not be used in unrelated ABB controller families unless the OEM documentation confirms compatibility. - What warranty and lead time apply?
Standard 12-month warranty from shipment. In-stock units can ship quickly; exact lead time depends on current inventory.



