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IB01602007E
Instruction Bulletin
Page
6
Effective: June 2003
O&M Manual for
Non-Automatic Transfer
Switches (30 – 1200 Amperes)
Table 1. Transfer Switch Catalog Number Identification
1
Vertical orientation (225 – 1200 amperes).
2
Horizontal orientation (30 – 150 amperes).
3
Contact factory for availability.
4
1200 amperes not UL or CSA listed.
5
Units with a “Switching Device Arrangement” other than “A” will not include a CSA listing.
Switching Device
FD = Cutler-Hammer Series C
HFD
KD = Cutler-Hammer Series C
HKD
LD = Cutler-Hammer Series C
HLD
MA = Cutler-Hammer
MA
MD = Cutler-Hammer
HMDL
NB = Cutler-Hammer
NB
ND = Cutler-Hammer Series C
3
HND
NT V E KD A 3 0300 X S U
Basic Device
NT = Non-Automatic
Transfer Switch
(Electrically
Operated)
Switching Device
Orientation
V = Vertical
1
H = Horizontal
2
Control Panel
E = Electromechanical
Number
of Poles
2 = Two
3 = Three
4 = Four
Ampere Rating
30A = 0030
70A = 0070
100A = 0100
150A = 0150
225A = 0225
300A = 0300
400A = 0400
600A = 0600
800A = 0800
1000A = 1000
1200A = 1200
4
Listing
U = UL Listed and
CSA Listed
5
Switching Device Arrangement
A = Fixed Mount Molded Case
Switches Both Power Sources
B = Fixed Mount Molded Case
Breakers Both Power Sources
C = Fixed Mount Molded Case
Breaker Normal Power Source,
Molded Case Switch Emergency
Power Source
D = Fixed Mount Molded Case Switch
Normal Power Source, Molded
Case Breaker Emergency
Power Source
Voltage/Frequency
A = 120 Vac/60 Hz
B = 208 Vac/60 Hz
E = 600 Vac/60 Hz
G = 220 Vac/50 or 60 Hz
H = 380 Vac/50 Hz
K = 600 Vac/50 Hz
M = 230 Vac/50 Hz
N = 401 Vac/50 Hz
O = 415 Vac/50 Hz
W = 240 Vac/60 Hz
X = 480 Vac/60 Hz
Z = 365 Vac/50 Hz
Enclosure
K = No Enclosure
S = Type 1
J = Type 12
R = Type 3R
L = Type 4
3
D = Type 4X
3
