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Motor control centres

Freedom motor control centres (MCC)

Eaton’s Freedom 2100 motor control centres (MCCs) are intelligent MCCs that offer the safest and most effective method for grouping motor control and associated control as well as industrial communications and distribution equipment. The Freedom 2100 MCCs are designed for safety, reliability and quality offering a safe, intelligent and versatile MCC.

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Voltage class
600 V
Horsepower
up to 1000 Hp
Main bus rating
up to 4000 A

Core features

  • CSA (Canadian Standards Association) listed MCC equipment
  • Enhanced safety features available with FlashGard units and arc-resistant construction
  • Provide seamless integration with all major industrial protocols
  • Feature the latest in smart overloads, soft starters and variable frequency drives
  • Available with NEMA® Type 1 gasketed, Type 12, Type 2 and Type 3R enclosures
  • Standard structure depths of 40 cm (16 in) or 53 cm (21 in)
  • 53 cm (21 in) depth; the industry's smallest front-to-back design with a single vertical and horizontal bus
  • Full-length horizontal and vertical wireways
  • Silver or tin-plated horizontal bus, capable of 4000 A and fully-rated vertical bus up to 1600 A
  • Standard bus tolerance rating of 42 kA, with a tolerance rating of up to 100 kA available
  • Draw-out units of up to 400 A with NEMA size 5 motor starters
  • Unit-mounted device panels with a swing-open design for unit access
  • Exclusive, modular, pull-apart terminal blocks, accessible from the vertical wireway with Finger same options available

View design guide (layouts, technical data and application information)

Download guide spec (26 24 19)

Discover more about power system design basics

Image gallery

View images of low-voltage motor control centres

FlashGard bucket
Pull-apart terminal blocks standard MCC unit with pull-apart terminal blocks
Z shaped vertical bus
Labyrinth barriers fully insulates and isolates vertical bus
DG1 drives offer customers increased efficiency, safety and reliability
Freedom compact starter with Ethernet communications

The power of intelligent MCCs

Eaton’s smart MCCs include comprehensive communications and active energy control solutions that seamlessly integrate into all major industrial protocols. Ideal for managing and maintaining today’s large and complex systems where uptime is critical, Freedom MCCs provide industrial-grade intelligence for superior motor protection.
Intelligent MCC solutions brochure

Versatile MCC configurations

Eaton understands that every facility has different control and power distribution requirements; that’s why Freedom MCCs are available in a variety of configurations. From maximising the footprint with a space-saving design to encompassing facility distribution and motor loads in one cohesive enclosure, Eaton’s MCCs can meet your needs.
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Get a reliable, high-quality solution from aftermarket MCCs

Eaton’s MCC aftermarket solutions help extend the life of existing motor control centres without the hassle, cost or extensive downtime associated with modifying existing structures and rewiring. Plugging directly into existing MCCs, aftermarket solutions offer an expected life cycle of 20+ years and are certified to the same UL standards as new MCCs.
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Arc-flash safety for MCCs

Today’s motor control centre designs offer a variety of techniques to help prevent dangerous arc-flash events that can cause serious or fatal injuries. An optimal design layers protection for workers and assets, including the Arcflash Reduction Maintenance System feature, arc-resistant construction and FlashGard racking units to improve safety.  

  • Eaton Freedom MCCs feature a Labyrinth bus barrier that electrically insulates and isolates the vertical bus bars to avoid arcing faults
  • Arc-resistant design option protects by containing the hazardous effects of arc flash events
  • Optional FlashGard technology improves arc-flash safety during the insertion and removal of motor control centre buckets
  • Optional Arcflash Reduction Maintenance System feature improves safety by providing a simple, reliable method to reduce the fault-clearing time for main circuit breakers
  • Additional safety features such as IR windows and the absence of voltage testers or other indicators may be incorporated to provide complimentary site safety benefits
Specifications

View design guide (layouts, technical data and application information)

Download guide spec (26 24 19)

Discover more about power system design basics

Standards

  Freedom Freedom arc-resistant
THIRD-PARTY RECOGNITION/APPROVAL CSA C22
NEMA ICS 18
Arc-resistant certification   C37.20.7-2007 
ABS approval Yes
ISO certification Yes (9001 and 9002)
SEISMIC QUALIFICATION IBC, CBC
OSHPD approval Yes

BUS RATINGS, MATERIALS AND INSULATION

  Freedom Freedom arc-resistant
Short-circuit withstand up to 100 kA up to 65 kA
Horizontal bus values and material 600–4000 A Cu 600–2500 A Cu
Horizontal bus plating Tin as standard; silver optional
Horizontal bus location Top
Insulated horizontal bus Optional Standard
Vertical bus  400 A, 600 A, 800 A, 1200 A or 1600 A Cu
Vertical bus plating Tin as standard
Ground bus location Top or bottom
Neutral bus location Bottom
Isolated vertical bus w/barrier Standard -
Labyrinth vertical bus Optional Standard
Automatic shutters Optional Standard

STRUCTURE ATTRIBUTES

  Freedom Freedom arc-resistant
Enclosure ratings NEMA 1, 2, 12, 3R (non-walk-in) NEMA 1, 2, 3R (non-walk-in), 4/4X (non-walk-in)
Usable unit mounting space 183 cm (72")  
Reduced height structures 228 cm (90 in) to 137 cm (54 in) (in 15 cm (6 in) height increments) N/A
Frame steel 12 ga  
Back sheet steel 14 ga 12 ga
Side sheets 14 ga 12 ga
Top plates 14 ga 12 ga
Unit doors 14 ga 12 ga
Vertical wireway doors 14 ga 12 ga
21" front/rear option Yes; 53 cm (21 in) deep structure, 2000 A max, N1, N2, N12, and 3R/4/4X non-walk-in) No; only bolted back-to-back structures available
Horizontal wireway height 23 cm (9 in) top and bottom as standard, 38 cm (15 in) top and 7.6 cm (3 in) bottom optional
Vertical wireway width 10 cm (4 in) as standard, 20 cm (8 in) optional

UNIT TYPES

  Freedom Freedom arc-resistant
Control Wire 16 AWG TEW 105C MTW as standard, 14 AWG TEW 105C MTW and 14 AWG SIS optional
Pilot device panel provisions for up to eight (8) 30 mm, 10250T Type optional
Pull-apart terminal blocks Yes – wiring accessible from vertical wireway, Finger safe option available.
Maximum withdrawable unit NEMA Size 5 starter, up to 400 A feeder
FlashGard units Optional
Stab-in load terminal block Optional (180 A max rating)
Native communication protocols available Ethernet/IP, Modbus TCP, Profibus, Modbus & DeviceNet  

Maximum breaker and unit ratings

  Freedom Freedom arc-resistant
Max moulded case circuit breaker 2500A
Max power circuit breaker 3200 A (NEMA 1 only) 2500 A, fixed (NEMA 1 only)
Max fused switch 800 A N/A
Max starter 600 HP 400 HP
Max variable frequency drive 500 HP 250 HP
Max soft starter 700 HP 500 HP
Max clean power drives available 500 HP N/A
Max surge protection device 400 kA per phase
Max distribution transformer up to 45 kVA, 3 Phase
Max panelboard up to 42 circuit, 3 Phase, 600 A, 600 V
UL 1008 automatic transfer switch up to 1000 A, breaker-based; up to 1200 A contactor-based automatic transfer schemes - main-main, main-tie-main

APPLICATION DATA

  Freedom Freedom arc-resistant
Standard structure dimensions (H x W) 228 cm (90 in) H x 137 cm (20 in) W 228 cm ( 90 in) H x 137 cm (20 in) W (note that 4" sections are required at each end of the line-up)
40 cm (16 in) D Standard (up to 2000 A horizontal bus) N/A
53 cm (21 in) D Optional: 3200 A maximum horizontal bus 21" deep. 4000 A horizontal (42” deep front mounted back to back) CSA only Standard (up to 2500A horizontal bus)
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