278X Hammond Manufacturing, 278X Datasheet
278X
Manufacturer Part Number
278X
Description
POWER TRANSFORMER
Manufacturer
Hammond Manufacturing
Series
278r
Type
Standardr
Datasheet
1.269EX.pdf
(2 pages)
Specifications of 278X
Maximum Power
229 VA
Primary Winding(s)
Single
Secondary Winding(s)
Triple, Center Tap
Mounting Type
Chassis Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Parallel Output Voltage @ Current
-
Series Output Voltage @ Current
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
"Classic" Plate & Filament (263-282 Series)
F
D
Style
Mtg.
G
Z6
Z7
Z8
Z9
©
H
"Z" Mounting - Dimension Table
2.00
2.25
2.25
2.50
St. Laurent, Quebec (514) 343-9010
Cheektowaga, NY (716) 630-7030
A
Guelph, Ontario (519) 822-2960
J
"Z" Mounting - Drawing
2.50
2.88
2.81
3.13
B
A
CANADA
2.50
3.25
3.63
3.81
USA
C
Dimensions (Inches)
B
1.75
1.88
1.75
2.00
D
C
2.00
2.38
2.25
2.69
F
1.06
1.25
1.50
1.33
G
www.hammondmfg.com
3.00
3.38
3.38
3.75
H
2.50
2.81
2.81
3.13
J
•
•
•
•
•
•
38
Primary 115 VAC, 60 Hz. - except as noted (for "universal"
primaries and other NEW voltage combinations see our
NEW "300" Series).
Enclosed, 4 hole chassis mount.
Minimum 6" long leads.
Class A insulation (105 degrees C).
Hi-Pot test of 2,000V RMS.
Conservative designs - CSA certified (# LR3902).
ENCLOSED POWER TRANSFORMERS
X10A
Style
Mtg.
X7A
X7B
X9A
X9B
X10
X11
X13
X14
X15
X19
X2
X4
X5
X6
X7
X8
X9
"X" Mounting - Dimension Table
PLATE & FILAMENT
"X" Mounting - Drawing
1.88
2.19
2.19
2.50
2.50
2.50
2.50
2.50
2.50
2.88
3.13
3.13
3.13
3.13
3.75
3.75
3.75
3.13
A
"CLASSIC"
Queenstown, Australia 61-8-8240-2244
Dimensions (Inches)
2.44
2.50
2.63
2.75
3.00
3.00
3.00
3.25
3.75
3.50
3.50
3.50
3.50
3.75
4.00
4.50
5.00
4.00
Basingstoke, UK 01256 812812
B
2.50
2.63
2.63
3.06
3.06
3.13
3.13
3.06
3.06
3.50
3.50
3.81
3.88
3.81
4.56
4.56
4.56
3.81
C
AUSTRALIA
EUROPE
1.50
1.75
1.75
2.00
2.00
2.00
2.00
2.00
2.00
2.25
2.50
2.50
2.50
2.50
3.00
3.00
3.00
2.50
D
2.38
2.19
2.38
2.44
2.81
3.31
3.81
2.69
1.56
1.44
1.56
1.69
1.94
2.06
2.19
2.19
2.69
2.44
E
G-Mtg. Slot
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.19 x .31
.19 x .25
.19 x .25
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278X Summary of contents
Page 1
... CANADA Guelph, Ontario (519) 822-2960 St. Laurent, Quebec (514) 343-9010 USA Cheektowaga, NY (716) 630-7030 © ENCLOSED POWER TRANSFORMERS • Primary 115 VAC, 60 Hz. - except as noted (for "universal" primaries and other NEW voltage combinations see our NEW "300" Series). • Enclosed, 4 hole chassis mount. ...
Page 2
... Blk Blk PRI EUROPE Basingstoke, UK 01256 812812 AUSTRALIA Queenstown, Australia 61-8-8240-2244 A ...