Molded Case Circuit Breakers — Available Products
Overview
Molded Case Circuit Breakers
Molded Case Circuit Breakers is a product family from ABB engineered for industrial automation. This family covers a broad range of SKUs used across discrete manufacturing, process control, motion, and machine safety applications. Each component is selected for proven field reliability and long-term parts availability.
Palm Parts Solution stocks new, surplus, and refurbished units from this family with worldwide shipping and a standard warranty.
Machine down? We ship Molded Case Circuit Breakers parts the same day.
New, surplus, and refurbished ABB inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Common Applications
Typical Applications
- Discrete manufacturing and assembly lines
- Process control (chemical, oil & gas, water)
- Material handling and conveyors
- Packaging and bottling
- Machine tools and CNC
- Building automation and HVAC
Common Faults
Common Faults
- Capacitor degradation after 7–10 years of service
- Communication errors after firmware drift
- Input/output channel failure from over-voltage events
- Cooling fan failure causing thermal shutdown
- Connector wear in high-vibration installations
Troubleshooting Basics
Troubleshooting
- Confirm supply voltage and grounding
- Inspect diagnostic LEDs and fault codes
- Verify firmware/configuration matches the application
- Swap with a known-good unit to isolate the fault
- Check field wiring and termination
Replacement Options
Replacement Options
- Direct OEM replacement (preferred)
- Refurbished OEM unit (cost-effective)
- Compatible cross from the same manufacturer's current catalog
- Equivalent from an alternative manufacturer (engineering review required)
Migration Recommendations
Migration Path
When migrating away from discontinued units, plan for: firmware compatibility, wiring changes, software/configuration migration, spare-parts stock, and field commissioning. Palm Parts Solution can supply both the current generation and stock of the legacy unit while you plan the migration.
Compatibility
Compatibility
Units in this family are compatible with the manufacturer's standard control architecture, communication protocols (where applicable), and accessory ecosystem. Always cross-reference the exact catalog number, firmware revision, and hardware series before installation.
Advantages
Key Advantages
- Proven industrial reliability with long MTBF
- Wide ecosystem of compatible accessories and spares
- Strong worldwide support and documentation
- Designed for harsh industrial environments
- Backwards compatibility with legacy installations
Series in this family
Frequently Ordered Together
Frequently Ordered
Customers ordering from this family frequently pair the unit with matching cables, terminal blocks, mounting kits, and surge protection. Contact our team for a complete BOM review.
Compatible & related families
Why Buy From PALM Parts Solution
DHL, FedEx, UPS — door-to-door in 1-4 business days.
In-stock orders placed before 3pm ET ship the same day.
New, surplus and refurbished ABB inventory ready to ship.
24/7 emergency sourcing for production-critical failures.
Custom pricing on volume, repair, and hard-to-find SKUs.
Talk to engineers, not call-center agents.
We hunt down discontinued and obsolete parts globally.
Lifecycle-end ABB parts — sourced, tested, warrantied.
Frequently asked questions
What is the Molded Case Circuit Breakers family used for?
The Molded Case Circuit Breakers family from ABB covers industrial automation applications such as machine control, process control, motor control and discrete I/O. Browse the series below to find the exact part number for your installation.
Are obsolete Molded Case Circuit Breakers parts still available?
Yes. We stock new surplus, refurbished and end-of-life Molded Case Circuit Breakers units from ABB. If a part number is no longer in production we will identify a compatible replacement or repair your existing module.
How do I identify the correct Molded Case Circuit Breakers replacement?
Match the catalog number printed on the Molded Case Circuit Breakers label, then confirm voltage, I/O count, communication protocol and firmware revision. Our team can validate compatibility against your original ABB configuration before shipment.
Do Molded Case Circuit Breakers parts come tested?
Every Molded Case Circuit Breakers unit we ship is functionally tested against ABB OEM specifications. Refurbished items include a 1-year warranty and a full inspection report on request.