Specifications
February 2007
16-4
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CA08101001E
Transfer Switches
16
Transfer Switch Equipment
Product Selection
Table 16-4. Transfer Switch Product Family
Key:
DO = Drawout
FM = Fixed Mounted
MPB = Magnum Power Breaker
MPS = Magnum Power Switch
MCB = Molded Case Breaker
MCS = Molded Case Switch
Description
Transfer Switch Equipment Catalog Numbering System
Type Orientation Logic Frame Switch Poles Amperes Voltage Enclosure Listing
Manual
(600 Vac)
(30 – 1000 A)
MT = Manual
Refer to
Page 16-6
H = Horizontal
V = Vertical
X = No Logic Molded Case Device
FD = 30 – 150 A
KD = 150 – 300 A
LD = 400 – 600 A
MD = 600 – 800 A
NB = 800 – 1000 A
Fixed Mount
A = FM,
N(MCS)
E(MCS)
B = FM,
N(MCB)
E(MCB)
C = FM,
N(MCB)
E(MCS)
D = FM,
N(MCS)
E(MCB)
2 = 2-Poles
3 = 3-Poles
4 = 4-Poles
0030 = 30 A
0070 = 70 A
0100 = 100 A
0150 = 150 A
0225 = 225 A
0300 = 300 A
0400 = 400 A
0600 = 600 A
0800 = 800 A
1000 = 1000 A
E = 600 V 60 Hz K = Open
S = NEMA 1
J = NEMA 12
R = NEMA 3R
L = NEMA 4
D = NEMA 4X
U = UL Listed
R = UL Recognized
X = No Listing
Non-Automatic
(600 Vac)
(30 – 4000 A)
NT = Non-
Automatic
Refer to
Page 16-9
H = Horizontal
V = Vertical
E = Electromechanical Molded Case Device
FD = 30 – 150 A
KD = 150 – 300 A
LD = 400 – 600 A
MD = 600 – 800 A
NB = 800 – 1000 A
Insulated Case
Device (Magnum)
MG = 600 – 4000 A
Fixed Mount
A = FM,
N(M/MPS)
E(M/MPS)
B = FM,
N(M/MPB)
E(M/MPB)
C = FM,
N(M/MPB)
E(M/MPS)
D = FM,
N(M/MPS)
E(M/MPB)
Drawout Mount
E = DO,
N(MPS)
E(MPS)
F = DO,
N(MPB)
E(MPB)
G = DO,
N(MPB)
E(MPS)
H = DO
N(MPS)
E(MPB)
2 = 2-Poles
3 = 3-Poles
4 = 4-Poles
(4-Poles -
3000 A
Maximum)
0030 = 30 A
0070 = 70 A
0100 = 100 A
0150 = 150 A
0225 = 225 A
0300 = 300 A
0400 = 400 A
0600 = 600 A
0800 = 800 A
1000 = 1000 A
1200 = 1200 A
1600 = 1600 A
2000 = 2000 A
2500 = 2500 A
3000 = 3000 A
4000 = 4000 A
A = 120 V 60 Hz
B = 208 V 60 Hz
E = 600 V 60 Hz
G = 220 V 50/60 Hz
H = 380 V 50 Hz
K = 600 V 50 Hz
M = 230 V 50 Hz
N = 401 V 50 Hz
O = 415 V 50 Hz
W = 240 V 60 Hz
X = 480 V 60 Hz
Z = 365 V 50 Hz
K = Open
S = NEMA 1
R = NEMA 3R
J = NEMA 12
L = NEMA 4
D = NEMA 4X
(J, L and D
65 kAIC, 1200 A
and Below Only
U = UL Listed
R = UL Recognized
X = No Listing
Maintenance
Bypass
(600 Vac)
(100 – 1000 A)
MB = Maintenance
Bypass
Refer to
Page 16-12
H = Horizontal E = Electromechanical Molded Case Device
FD = 100 – 150 A
KD = 150 – 300 A
LD = 400 – 600 A
MD = 600 – 800 A
NB = 800 –1000 A
Fixed Mount
A = FM,
N(MCS)
E(MCS)
2 = 2 Poles
3 = 3 Poles
4 = 4 Poles
0100 = 100 A
0150 = 150 A
0225 = 225 A
0300 = 300 A
0400 = 400 A
0600 = 600 A
0800 = 800 A
1000 = 1000 A
A = 120 V 60 Hz
B = 208 V 60 Hz
E = 600 V 60 Hz
G = 220 V 50/60 Hz
H = 380 V 50 Hz
K = 600 V 50 Hz
M = 230 V 50 Hz
N = 401 V 50 Hz
O = 415 V 50 Hz
W = 240 V 60 Hz
X = 480 V 60 Hz
Z = 365 V 50 Hz
K = Open
S = NEMA 1
J = NEMA 12
R = NEMA 3R
L = NEMA 4
D = NEMA 4X
U = UL Listed
R = UL Recognized
X = No Listing
Automatic
(Wall-Mount)
(600 Vac)
(30 – 1000 A)
AT = Automatic
Refer to
Page 16-13
H = Horizontal
V = Vertical
3 = ATC-300
I = ATC-600
Molded Case Device
FD = 30 – 200 A
KD = 150 – 300 A
LD = 400 – 600 A
MD = 600 – 800 A
NB = 800 – 1000 A
(FD = 200 A
Available on ATH3
Only)
Fixed Mount
A = FM,
N(MCS)
E(MCS)
B = FM,
N(MCB)
E(MCB)
C = FM,
N(MCB)
E(MCS)
D = FM,
N(MCS)
E(MCB)
2 = 2-Poles
3 = 3-Poles
4 = 4-Poles
0030 = 30 A
0070 = 70 A
0100 = 100 A
0150 = 150 A
0200 = 200 A
0225 = 225 A
0300 = 300 A
0400 = 400 A
0600 = 600 A
0800 = 800 A
1000 = 1000 A
A = 120 V 60 Hz
B = 208 V 60 Hz
E = 600 V 60 Hz
G = 220 V 50/60 Hz
H = 380 V 50 Hz
K = 600 V 50 Hz
M = 230 V 50 Hz
N = 401 V 50 Hz
O = 415 V 50 Hz
W = 240 V 60 Hz
X = 480 V 60 Hz
Z = 365 V 50 Hz
K = Open
S = NEMA 1
J = NEMA 12
R = NEMA 3R
L = NEMA 4
D = NEMA 4X
U = UL Listed
R = UL Recognized
X = No Listing
Automatic
(Free Standing)
(600 Vac)
(600 – 5000 A)
AT = Automatic
Refer to
Page 16-19
V = Vertical I = ATC-600
IQ Transfer
Insulated Case
Device (Magnum)
MG = 600 – 5000 A
Fixed Mount
A = FM,
N(MPS)
E(MPS)
B = FM,
N(MPB)
E(MPB)
C = FM,
N(MPB)
E(MPS)
D = FM,
N(MPS)
E(MPB)
Drawout Mount
E = DO,
N(MPS)
E(MPS)
F = DO,
N(MPB)
E(MPB)
G = DO,
N(MPB)
E(MPS)
H = DO,
N(MPS)
E(MPB)
2 = 2 Poles
3 = 3 Poles
4 = 4 Poles
(4 Poles -
3000 A
Maximum)
0600 = 600 A
0800 = 800 A
1000 = 1000 A
1200 = 1200 A
1600 = 1600 A
2000 = 2000 A
2500 = 2500 A
3000 = 3000 A
4000 = 4000 A
(600 A FM
only)
A = 120 V 60 Hz
B = 208 V 60 Hz
E = 600 V 60 Hz
G = 220 V 50/60 Hz
H = 380 V 50 Hz
K = 600 V 50 Hz
M = 230 V 50 Hz
N = 401 V 50 Hz
O = 415 V 50 Hz
W = 240 V 60 Hz
X = 480 V 60 Hz
Z = 365 V 50 Hz
K = Open
S = NEMA 1
R = NEMA 3R
J = NEMA 12
L = NEMA 4
D = NEMA 4X
(J, L and D
65 kAIC, 1200 A
and Below Only)
U = UL Listed
R = UL Recognized
X = No Listing