60 Power Transformers
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Power Transformers
A u t o t r a n s f o r m e r s
C a s e Ty p e
M
C a s e Ty p e U
C a s e Ty p e
X
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D e s c r i p t i o n
the windings. Triad autotransformers come in a variety of configurations,
case types and output watts (VA) ratings in excess of 2,000 watts. A
universal isolation/autotransformer/voltage control model is available with
up to a 4,000 output watts rating when operated as an autotransformer.
Triad autotransformers are single winding transformers in which the
primary coil is a fraction of the entire winding for voltage step-up or
the secondary coil is a fraction of the entire winding for voltage
step-down (see Technical Notes for an equivalent circuit diagram). In
ordinary double wound power transformers, the primary and secondary
are isolated and all the power is transferred by induction. In auto-
transformers, part of the power is transferred conductively through
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S p e c i f i c a t i o n s
See Technical Notes
::
S t e p - U p / S t e p - D o w n A u t o t r a n s f o r m e r s
Secondary
Mounting
Dimensions
MW MD
Part
No.
Primary
Voltage
Volts
RMS
Case
Type
Dimensions
W
Wt.
Lbs.
Section
VA
5ꢀ
Amps
Connections
H
D
9
N-1X
230
230
230
115
115
115
0.435
0.74
0.87
X (1)
M (3)
X (1)
Leads
2
/
32
311
231
/
16
2
31
21
/
8
4
8
4
•
1.50
3.00
2.10
50
A
B
C
N-3MGAD
6' Cord, Plug & Socket
Leads
319
25
319
213
319
33
/
32
/32
31
21
35
21
41
/
2
/
25
•
/
8
85
N-2X
/
8
4
/16
35
21
/
/
100
N-150MG
F-302U#
N-4MGD
115
277
230
230
115
115
0.65
1.30
1.30
M (3)
U (2)
M (3)
/
/
/
32
16
32
231
/
32
32
/
/
/
16
21
2
/
/
8
4.90
2.90
4.70
6'-3 Wire Cord, Plug & Socket
Leads
6' Cord, Plug & Socket
150
150
150
D
33
/
8
4
213
/
16
231
/
4
21
21
21
/4
27
8
4
N-6U
230
115
230
115
230
115
230
230
115
230
115
230
115
230
115
115
1.70
1.10
U (2)
M (3)
M (3)
M (3)
M (3)
M (4)
M (4)
M (4)
/
8
213
/
16
213
311
413
/
16
/
4
2
2
21
/
3.60
6.60
E
F
G
H
I
Leads
200
N-250MGD
N-5MGD
37
37
45
45
/
8
31
39
37
/
4
/
16
16
/
27
31
35
37
/
41
41
/
16
2
6'-3 Wire Cord, Plug & Socket
6' Cord, Plug & Socket
6'-3 Wire Cord, Plug & Socket
6' Cord, Plug & Socket
6'-3 Wire Cord, Plug & Socket
6' Cord, Plug & Socket
6' Cord, Plug & Socket
250
2.17
/
/
/
8
/
32
/
21
/
/
7.00
250
N-500MGD
N-7MGD
2.20
8
/
8
43
/
4
3
/
8
8
11.20
12.00
17.39
21.00
33.25
500
5.22
8
315
/16
5
3
600
53
55
53
/
/
/
8
41
41
41
/
/
/
2
2
2
51
6
81
/
2
31
31
31
/
2
2
2
/8
J
4.35
N-1000MGD
N-9MGD
1,000
1,250
2,000
K
L
10.85
17.40
16
8
/
/
/2
N-11MGD
/
4
67
/
8
D Has 3-wire plug, cord and socket # 60 Hz Mounting hole sizes: (1) = 3
/16"
(2) = 13
/
64 x 3
/
8"
(3) = 3
/8
x 3
/ "
16
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O u t l i n e D i m e n s i o n s
T e c h n i c a l N o t e s
1. Output wattage (VA) ratings 50 to 2,000 W.
A u t o t r a n s f o r m e r
2. Wide selection of case types, including 6' line cords, plugs, sockets and lugs.
3. All transformers are 50/60 Hz line frequency, except as noted.
4. Hi-pot tested at 1,500 VRMS.
www.TriadMagnetics.com 460 Harley Knox Blvd., Perris, CA 92571 Phone 951-277-0757 FAX 951-277-2757
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