Specifications

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16.3
Tr a n s f er Switches
Breaker-Based Design
Manual Switch with Door Closed—
Must Open Door to Engage the
Manual Handle
Manual Transfer Switch Shown
Without Deadfront
Standards and Certifications
●
Complies with UL 1008
and UL 489 standards
●
IBC seismic qualified
●
Meets American Bureau of
Shipping (ABS) approval
Catalog Number Selection
Manual Breaker-Based Transfer Switch
Note

Horizontal is available only on ratings 150A or less.
MT H X MD C 2 0100 E S U
Type
MT = Manual
Orientation
H = Horizontal

V = Vertical
Logic
X = No logic
Mounting (Fixed)
A = FM, N (MCS), E (MCS)
B = FM, N (MCB), E (MCB)
C = FM, N (MCB), E (MCS)
D = FM, N (MCS), E (MCB)
Number of Poles
2 = Two-pole
3 = Three-pole
4 = Four-pole
Amperes
0030 = 30A
0070 = 70A
0100 = 100A
0150 = 150A
0225 = 225A
0300 = 300A
0400 = 400A
0600 = 600A
0800 = 800A
1000 = 1000A
Voltage
E = 600V, 60 Hz
Enclosure
K = Open
S = NEMA 1
J = NEMA 12
R = NEMA 3R
L = NEMA 4
D = NEMA 4X
Certification
U = UL 1008 listed
Frame
Molded case device
FD = 30–150A
KD = 150–300A
LD = 400–600A
MD = 600–800A
ND = 800–1000A