2C
EMN Series Pushbutton
Style Compact Manual
NEMA Starters
Cl. I, Div. 1 & 2, Groups C, D
Cl. II, Div. 1 & 2, Groups E, F, G
Cl. III
NEMA 3, 4, 4X*, 7(CD), 9(EFG)
UL/cUL Listed
Explosionproof
Wet Locations
Applications:
• Explosionproof compact across-the-line
manual NEMA starters for single and
polyphase VAC or VDC motors
• Used on drilling rigs for mud agitators
and shakers where flammable or
explosive gases are present
• Also used for fans and blowers, pumps,
compressors, and conveyors
2C
Features:
• Built to protect from mud and hosedirected water - NEMA 4
• Robust protection for start-stop buttons
• Option for no top entries for further
protection from water ingress
• Pushbutton can be locked in "OFF"
position
• Versatile mounting footprint
accomodates field retrofit
Catalog Numbering System:
SERIES
EMN
SERIES
EMN
STARTER
D31
OPTIONS†
S198V
Explosionproof Compact Manual Motor Starter
ENCLOSURE TYPE
25
Compact Pushbutton Enclosure pre-drilled for Square D starter
27
Compact Pushbutton Enclosure pre-drilled for GE starter
Certifications and
Compliances:
•
•
•
•
•
•
ENCLOSURE TYPE
25
STARTER
D31
Class I, Division 1 & 2, Groups C, D
Class II, Division 1 & 2, Groups E, F, G
Class III
NEMA 3, 4, 4X*, 7(CD), 9(EFG)
UL Standard: 1203
cUL Standard: C22.2 No. 30
D = Square D and G = GE, followed by number of poles and NEMA size
NO. OF
POLES
NEMA
SIZE
0
2
1
1P
Standard Materials:
• Enclosure – copper-free aluminum
• Shaft, bearing, and bolts – stainless
steel
• O-ring gasket – Buna-N
0
3
1
0
2
DC
Electrical Ratings:
• NEMA starter sizes 0, 1, and 1P
• 1 to 10 HP
1
OPTIONS
S752
S753
S198V
NTE
Dimensions
MOTOR
VOLTAGE
115
230
115
230
115
230
200-230
380-575
200-230
380-575
115
230
115
230
MAX. HORSEPOWER
SINGLE
POLYDC
PHASE
PHASE
1
2
2
3
3
5
3
5
7-1⁄2
10
1
1-1⁄2
1-1⁄2
2
CATALOG
NUMBER
EMN25 D20
EMN25 D21
EMN25 D21P
EMN25 D30
EMN25 D31
EMN25 D20DC
EMN25 D21DC
Gray Epoxy Powder Coating, outside only
Gray Epoxy Powder Coating, outside and inside
Breather (ECD-N4B) and Drain (ECD-N4D)
No Top Entries
† Add heater suffix. See next page for heater tables.
In Inches:
6.06
7.94
7.94
7.35
9.81
9.19
11.06
2.00
2.00
2X
3/4" CONDUIT ENTRIES
1.25
4.25
2.50
ACCEPTS 5/16" OR
3/8" MTG. BOLTS
ACCEPTS 1/4" OR
5/16" MTG. BOLTS
Top/Bottom View
Cover View
Side View
*NEMA 4X rated when ordered with epoxy powder coating.
472
www.crouse-hinds.com
US: 1-866-764-5454
CAN: 1-800-265-0502
Copyright© 2013 Eaton’s Crouse-Hinds Business
Bottom View
No Top Entry Option
EMN Series Pushbutton
Style Compact Manual
NEMA Starters
Cl. I, Div. 1 & 2, Groups C, D
Cl. II, Div. 1 & 2, Groups E, F, G
Cl. III
NEMA 3, 4, 4X*, 7(CD), 9(EFG)
UL/cUL Listed
2C
Explosionproof
Wet Locations
Select heater elements based on motor nameplate listed Full Load Amps (FLA). Trip rating of elements is 125% of motor minimum FLA listed for the elements. One heater is furnished with
two-pole AC or DC starters and three heaters with three-pole starters.
Heater Table (Square D)
Heater Table (General Electric)
Motor Full-Load Current (A)
Suffix
1 PH
Max. Motor Full-Load Current (A)
3 PH
Suffix
1 PH
3 PH
Following Selections for Size M-0, M-1, and M-1P Only
Following Selections for Size M-0 and M-1 Only
B44
0.33-0.36
0.29-0.32
B51
0.37-0.40
0.33-0.36
B57
0.41-0.45
0.37-0.39
B63
0.46-0.52
0.40-0.47
B71
0.53-0.59
0.48-0.56
B81
0.60-0.66
0.57-0.63
B92
0.67-0.73
0.64-0.69
B103
0.74-0.81
0.70-0.77
B116
0.82-0.91
0.78-0.86
B130
0.92-1.02
0.87-0.96
B145
1.03-1.14
0.97-1.11
B167
1.15-1.29
1.12-1.23
B188
1.20-1.42
1.24-1.37
B210
1.43-1.64
1.38-1.55
B240
1.65-1.80
1.56-1.75
B265
1.81-2.10
1.76-1.92
B300
2.11-3.20
1.93-2.16
B330
2.31-2.61
2.17-2.50
B370
2.62-2.99
2.51-2.81
B415
3.00-3.37
2.82-3.16
B485
3.38-3.94
3.17-3.40
B550
3.95-4.24
3.41-3.76
B625
4.25-4.54
3.77-4.00
B690
4.55-5.29
4.01-4.68
B770
5.30-5.73
4.69-5.18
B820
5.74-6.35
5.19-5.51
B910
6.36-7.08
5.52-6.19
B102
7.09-7.83
6.20-7.12
B115
7.84-8.47
7.13-8.15
B128
8.48-9.83
8.16-8.60
B140
9.84-10.50
8.61-9.21
B155
10.60-11.40
9.22-10.10
B175
11.50-12.80
10.20-11.20
B195
12.90-13.90
11.30-12.00
B220
14.00-16.10
B250
16.20-18.00
Following Selections for Size M-1 and M-1P Only
36A
39A
43A
48A
54A
60A
66A
71A
78A
87A
97A
109A
118A
131A
148A
163A
184A
196A
220A
239A
268A
301A
326A
356A
379A
419A
466A
526A
592A
630A
695A
778A
867A
955A
104B
113B
125B
137B
151B
163B
180B
198B
214B
B360
B400
B450
B500
11.30-12.10
12.20-13.60
13.70-15.30
15.40-17.30
17.40-19.10
19.20-21.70
21.80-24.20
24.30-26.00
Following Selections for Size M-1 Only
198B
214B
228B
250B
273B
303B
19.80
21.10
23.10
25.20
19.40
20.60
22.00
25.30
Following Selections for Size M-1P Only
23.20-27.10
27.20-29.20
29.30-33.00
33.10-36.00
778A
867A
955A
104B
113B
125B
137B
151B
163B
180B
198B
214B
228B
250B
273B
303B
330B
www.crouse-hinds.com
0.29
0.31
0.34
0.40
0.44
0.48
0.52
0.58
0.64
0.71
0.81
0.89
0.98
1.12
1.22
1.38
1.48
1.66
1.80
2.03
2.28
2.47
2.71
2.87
3.18
3.54
3.89
4.51
4.90
5.30
5.94
6.70
7.36
7.98
8.59
9.46
10.30
11.70
12.60
13.80
15.40
16.60
17.40
2C
B195
B220
B250
16.20-17.60
B280
17.70-20.60
B320
20.70-23.10
B360
23.20-26.00
B400
B450
Following Selections for Size M-1P Only
0.34
0.37
0.42
0.47
0.52
0.57
0.63
0.69
0.77
0.87
0.97
1.06
1.18
1.33
1.47
1.66
1.78
2.00
2.18
2.45
2.76
3.00
3.27
3.49
3.86
4.30
4.88
5.49
5.85
6.45
7.22
8.05
8.88
9.66
10.50
11.60
12.70
13.20
15.10
16.60
17.60
US: 1-866-764-5454
CAN: 1-800-265-0502
8.56
9.43
10.30
11.00
12.10
13.20
15.00
16.20
17.70
19.70
21.20
22.20
24.90
26.40
30.00
32.70
34.00
Copyright© 2013 Eaton’s Crouse-Hinds Business
473