MCC BUCKET



MCC Buckets – Motor Control Center Solutions

Overview

MCC Buckets (Motor Control Center Buckets) are modular, pre-engineered units used within Motor Control Centers to control and protect electric motors and other electrical loads. These buckets are designed for plug-in or draw-out installation, allowing quick maintenance, flexibility, and safe isolation without shutting down the entire MCC. Each bucket typically includes motor starters, circuit protection, control devices, and pre-wired terminal blocks, making them essential for efficient and scalable industrial motor control.


🔹 Key Features and Benefits

  • Modular Design: Enables quick installation, removal, or replacement without disturbing adjacent units.

  • Standardized & Custom Sizing: Available in standard 12", 18", and 24" widths — custom sizes are also available upon request to fit unique configurations.

  • Safety and Reliability: Built to meet NEMA ICS 18 or IEC standards, ensuring safe and consistent operation.

  • Network Integration: Available Smart MCC options with Ethernet/IP, Modbus, and Profibus communication.

  • Versatile Control: Supports manual, automatic, and smart control schemes including remote access and PLC integration.


🔸 Types of MCC Buckets

Type Description
Full Voltage Non-Reversing (FVNR) Standard bucket for starting motors in a single direction.
Full Voltage Reversing (FVR) Enables motors to run forward and reverse.
Soft Starter Bucket Reduces inrush current and mechanical stress on motors during start-up.
VFD Bucket (Variable Frequency Drive) Offers speed and torque control by varying voltage and frequency.
Feeder Bucket Used for power distribution, not directly controlling motors.
Combination Starter Combines a starter with a disconnect or circuit breaker and overload protection.
Lighting/Breaker Bucket Designed for lighting loads or breaker-only applications.
Plug-in vs. Draw-out Plug-in is fixed; draw-out allows easy maintenance without disconnecting wiring.

🔸 Technical Specifications & Configuration Options

Category Options
Voltage Ratings 208V, 240V, 480V, 600V
Current Ratings 10A – 800A+
Mounting Type Plug-in, Bolt-on, Draw-out
Control Options Manual, Remote, Smart MCC
Enclosure Types NEMA 1, 12, 3R, 4/4X
Form Factors 12", 18", 24", Custom Sizes Available
Communication Protocols EtherNet/IP, Modbus, Profibus, DeviceNet

🔸 Major MCC Bucket Brands & Product Lines

Brand MCC Product Line Notes
Allen-Bradley CENTERLINE 2100, 2500 Smart MCC options; highly reliable and North America standard
Eaton Freedom MCC, FlashGard Arc-resistant designs; modular and service-friendly
Siemens tiastar™, Simocode MCCs Smart motor control and flexible integration
Schneider Electric Model 6, Model 4, Model 5 Compact, intelligent MCCs with direct replacements
GE Spectra, Limitamp, Evolution Used in industrial, commercial, and hospital settings
ABB MNS-MCC IEC-standard MCC system with smart options
Westinghouse Type W Legacy system; compatible with Eaton replacements
FANUC / OEM Custom VFD & Servo MCCs Used in automation and robotic manufacturing environments

🔸 Common Accessories & Components in MCC Buckets

Component Function
Circuit Breakers / Fuses Overcurrent and short-circuit protection
Contactors Switch motors ON/OFF
Overload Relays Thermal overload protection for motors
Control Transformers Power for low-voltage control circuits
Selector Switches / Pilot Lights Operator interface elements
Terminal Blocks Simplify field wiring connections
PLC Modules / Communication Smart control and remote monitoring integration

🔸 Popular and Legacy MCC Bucket Models (by Manufacturer)

Model Description Resource
Freedom 2100 Modular MCC built to NEMA ICS 18 standards Product Catalog
Freedom Unitrol Slider handle; compatible with Freedom Series starters Product Guide
Advantage 2100 Compatible with Series C retrofit kits Product Page
9800 Unitrol / F10 Unitrol Legacy systems using Citation or 3-Star starters Renewal Parts Guide
CenterLINE 2100 Allen-Bradley’s flagship MCC line Product Page
Model 4 / Model 5 / Model 6 Schneider Electric MCCs; retrofit ready Replacement Guides
GE Evolution / Spectra / 8000 Series Common in older facilities Legacy Info
MNS-MCC (ABB) IEC-standard MCC system with smart options Product Page

🔸 Legacy and Obsolete Systems (Still in Use)

Model Brand Note
Allis Chalmers Marq 1 / 2 / 21 Allis Chalmers Rare legacy units
Model 90 / 95 Obsolete Minimal support available
Series 200, System 89, Class 89, 8PX Mixed legacy systems Custom retrofit required
Type W Westinghouse Legacy system with modern retrofit options

🔸 MCC Bucket Use Cases

  • Industrial motor control for pumps, fans, conveyors, compressors

  • Commercial HVAC and building systems

  • Water treatment plants and mining operations

  • Oil & gas and chemical processing

  • Data centers and utilities


Need a Replacement, Retrofit, or Custom-Sized MCC Bucket?

We supply both new MCC buckets, legacy-compatible replacements, and custom-sized units built to your exact project requirements. Whether you’re upgrading a CENTERLINE 2100 system or replacing a discontinued Type W or Allis Chalmers model, we’ll ensure fit, functionality, and fast delivery. Our team can help with technical specs, model matching, and special configurations.



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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Square D | SQD-MOD6-12-BF-35TM | MCC Bucket | 35A | 600V

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Square D | SQD-MOD6-12-BF-45A-FCP | MCC Bucket | 45A | 480V

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Square D | SQD-MOD6-12-BF-45TM | MCC Bucket | 45A | 600V

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Square D | SQD-MOD6-12-BF-50TM | MCC Bucket | 50A | 600V

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Square D | SQD-MOD6-12-BF-60A-FCP | MCC Bucket | 60A

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Square D | SQD-MOD6-12-BF-60TM | MCC Bucket | 60A | 600V

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Square D | SQD-MOD6-12-BF-70TM | MCC Bucket | 70A

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Square D | SQD-MOD6-12-BF-80TM | MCC Bucket | 80A | 600V

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Westinghouse | WES-5STAR-12-BF-125T | MCC Bucket | 125A

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Westinghouse | WES-5STAR-12-BF-30TM | MCC Bucket | 30A | 600V

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Westinghouse | WES-5STAR-12-BF-35TM | MCC Bucket | 35A | 600V

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Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Westinghouse | WES-W-12-BF-100TM | MCC Bucket

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