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Low Voltage (MCC) NEMA Standard

Freedom motor control centers (MCC)

Eaton’s Freedom 2100 Motor Control Centers (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 and are built to NEMA ICS 18 standards offering a safe, intelligent and versatile MCC.

Core features

  • UL 845-listed equipment constructed to NEMA® ICS 18 standards
  • Enhanced safety features available with Flashgard units and arc-resistant construction.
  • Provide seamless integration to 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 16 inches or 21 inches.
  • 21-inch depth, industry’s smallest front-to-back design with single vertical and horizontal bus.
  • Full-length horizontal and vertical wireways.
  • Silver- or tin-plated horizontal bus capable of 3200 A and fully-rated vertical bus up to 1200 A.
  • Standard bus withstand rating of 65 kA, with withstand rating of 100 kA available.
  • Draw-out units up to 400 A with NEMA Size 5 motor starters.
  • Unit-mounted device panels equipped with swing-open design for unit access.
  • Exclusive modular pull-apart terminal blocks accessible from the vertical wireway.

 

Technical Specifications

 

STANDARDS
Freedom
Freedom arc-resistant
THIRD PARTY RECOGNITION/APPROVAL
UL/cUL 845
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 INSULATIONS
Freedom
Freedom arc-resistant
Short-circuit withstand
up to 100 kA
up to 65 kA
Horizontal bus values and material
600-3200 A Cu
600-2500 A Cu
Horizontal bus plating
Tin standard; Silver optional
Horizontal bus location
Top
Insulated horizontal bus
Optional
Standard
Vertical bus
600 A, 800 A, or 1200 A Cu
Vertical bus plating
Tin 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, walk-in aisle, or walk-in tunnel)
NEMA 1, 2, 3R (non-walk-in)
Usable unit mounting space
72″
Reduced height structures
90in through 54in (in 6in 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 (21 in deep structure, 2000 A max, N1, N2, N12, and 3R non-walk-in)
No, only bolted back to back structures available
Horizontal wireway height
9 in top and bottom standard, 15 in top and 3 in bottom optional
Vertical wireway width
4 in standard, 8 in optional
 
UNIT TYPES
Freedom
Freedom arc-resistant
Control Wire
16 AWG MTW Standard, 14 AWG SIS Optional
Pilot device panel
provisions for up to six (6) 30 mm, 10250T Type Standard; 22 mm, M22 Type optional
Pull-apart terminal blocks
Yes – wiring accessible from vertical wireway
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 communications protocols available
Ethernet/IP, Modbus TCP, Profibus, Modbus & DeviceNet
MAXIMUM BREAKER AND UNIT RATINGS
Freedom
Freedom arc-resistant
Max molded 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, 480 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)
90 in H x 20 in W
 90 in H x 20 in W (note that 4″ sections are required at each end of the lineup)
16 in D
Standard (up to 1600 A Horizontal bus)
N/A
21 in D
Optional (up to 3200 A Horizontal bus)
Standard (up to 2500A Horizontal bus)