NEMA 3, 4, 12
Raintight
Wet Locations
MC Series Manual Motor Starting
Switches and Enclosures
2C
Applications:
MC manual motor starting switches and
enclosures are used:
• For manual starting of small AC and DC
motors of one horsepower or less (see
next page for ratings)
• In damp, wet or corrosive locations such
as dairies, meat packing plants, chemical
plants and outdoor locations
• To provide motor running protection and
manual starting and stopping
Features:
MC dead end
2C
• Enclosure is compact and gasketed to
meet NEMA/EEMAC 4 requirements for
watertightness
• Switch can be padlocked in either the
"ON" or "OFF" positions
• Provided with dead end (MC) or
throughfeed (MCC) hubs – 1/2" and 3/4"
sizes – with mounting feet
MCC through feed
Dimensions
In Inches*:
Certifications and
Compliances:
• NEMA/EEMAC: 3, 4, 12
• UL Standard: 508
• CSA Standard: C22.2 No. 14
Standard Materials:
• Body and cover – Feraloy® iron alloy
• Operating handle – copper-free
aluminum
• Operating shaft – stainless steel
Standard Finishes:
• Feraloy – electrogalvanized and
aluminum acrylic paint
• Copper-free aluminum – natural
• Stainless steel – natural
*Dimensions are approximate, not for construction purposes.
Hub Size
a
b
www.crouse-hinds.com
US: 1-866-764-5454
1
/2
3
/8
5
/8
7
7
/4
/8
/4
3
CAN: 1-800-265-0502
Copyright© 2013 Eaton’s Crouse-Hinds Business
483
2C
MC Series Manual Motor Starting
Switches and Enclosures
MC Manual Motor Starting Switches
Heater Table
Manufacturer
Poles
Cat. #
Cutler-Hammer
Cutler-Hammer
1
2
MST01
MST02
Full Load
Motor
Current
.40 – .43
.44 – .48
.49 – .53
.54 – .58
.59 – .64
.65 – .71
.72 – .78
.79 – .87
.88 – .95
.96 – 1.03
1.04 – 1.15
1.16 – 1.27
1.28 – 1.35
1.36 – 1.51
1.52 – 1.67
1.68 – 1.83
1.84 – 1.99
2.00 – 2.23
2.24 – 2.47
2.48 – 2.71
2.72 – 2.95
2.96 – 3.27
3.28 – 3.59
3.60 – 3.99
4.00 – 4.39
4.40 – 4.79
4.80 – 5.26
5.27 – 5.83
5.84 – 6.39
6.40 – 7.03
7.04 – 7.74
7.75 – 8.46
8.47 – 9.35
9.36 – 10.30
10.31 – 11.35
11.36 – 12.47
12.48 – 13.67
13.68 – 15.12
15.13 – 16.00
Maximum Horsepower Ratings
Volts
1-Pole
2-Pole
120 / 240 AC
32 DC
120 / 240 DC
240 DC
1
1
/4
1
1
/4
1
/4
1
Ordering Information - MC
2C
NEMA 3, 4, 12
Raintight
Wet Locations
Single Gang (Dead End)
Poles
Hub Size in.
Enclosure
With
Switch
Cat. #
1
1
2
2
1
/2
/4
/2
3
/4
MC1211
MC2211
MC1212
MC2212
3
1
Without
Switch
Cat. #
➀
➀
➀
➀
MC1212B
MC2212B
MC1212B
MC2212B
Ordering Information - MCC
Single Gang (Through Feed)
Poles
Hub Size in.
Enclosure
With
Switch
Cat. #
1
1
2
2
1
/2
/4
/2
3
/4
MCC1211
MCC2211
MCC1212
MCC2212
3
1
Without
Switch
Cat. #
➀
➀
➀
➀
MCC1212B
MCC2212B
MCC1212B
MCC2212B
Heater
Rating
Eaton's Crouse-Hinds
Symbol Number
.50
.55
.61
.67
.74
.81
.89
.98
1.10
1.20
1.30
1.45
1.60
1.70
1.90
2.10
2.30
2.50
2.80
3.10
3.40
3.70
4.10
4.50
5.00
5.50
6.00
6.60
7.30
8.00
8.80
9.70
10.60
11.70
12.90
14.20
15.60
17.10
18.60
W1
W2
W3
W4
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
W16
W17
W18
W19
W20
W21
W22
W23
W24
W25
W26
W27
W28
W29
W30
W31
W32
W33
W34
W35
W36
W37
W38
W39
➀ Includes one interchangeable heater. Select heater from table above and use symbol
number as second section of the Cat. No. Example: MC1211-W5. Symbol 0 (zero) may be
used to indicate heater omitted.
These heaters are for motors rated 40°C continuously. For motors rated 50°C or 55°C,
multiply full load motor current by 0.9 and use this value to select heaters.
484
www.crouse-hinds.com
US: 1-866-764-5454
CAN: 1-800-265-0502
Copyright© 2013 Eaton’s Crouse-Hinds Business