Specification

Note: For inches/ millimeters conversion, multiply inches by 25.4.
VBII Design Double Throw Dimensions – Inches
Figure 1: Type 1 & 3R
Figure 2: Type 4X & 12
Enclosure Mounting
Catalog Number
ABC DEF
Figure 1 (30-1200A Type 1 & 3R)
DTNF221, DTNF321, DTNF361, DTNF361R 24.50 9.53 6.09 19.00 6.75 0.268
DTF321, DTF321R, DTF361 29.12 9.53 6.09 23.50 6.75 0.268
DTNF222, DTNF322, DTNF362, DTNF362R 24.88 11.50 6.09 19.00 9.38 0.268
DTF322, DTF322R, DTF362 33.45 11.50 6.09 27.50 9.38 0.268
DTNF223, DTNF323, DTNF323R, DTNF363, DTNF363R,
27.62 12.18 6.09 19.36 8.00 0.268
DTGNF223R, DTGNF223NR, DTGNF323R, DTGNF323NR
DTF323, DTF323R, DTF363, DTF363R 36.44 12.18 6.09 28.11 8.00 0.268
DTNF224, DTNF224R, DTNF324R, DTNF324, DTNF364R,
36.00 19.12 6.42 31.00 15.00 0.44
DTGNF224R, DTGNF224NR, DTGNF324R, DTGNF324NR
DTF224, DTF224R, DTF324, DTF324R, DTF364, DTF364R 49.44 19.12 6.42 44.50 15.00 0.44
DTF325, DTF326, DTF365 73.54 28.22 9.44 65.50 16.00 0.56
DTNF225, DTNF225R, DTNF325, DTNF365, DTNF365R 57.71 28.22 9.44 49.75 16.00 0.56
DTNF326, DTNF366, DTNF366R 57.71 28.22 9.44 49.75 16.00 0.56
DTNF327, DTNF367, DTNF367R 71.65 41.60 9.44 63.70 32.00 0.56
DTNF368, DTNF368R 71.65 41.60 9.44 63.70 32.00 0.56
NFR451DTK
➂
, NFR452DTK
➂
, NFR453DTK
➂
24.63 11.63 4.78 21.50 9.25
➀
0.25
➀
NF454DTK
➁➂
, NFR454DTK
➁➂
37.25 19.19 6.32 33.50 16.00
➁
0.56
➁
NF455DTK
➂
, NF456DTK
➂
, NF457DTK
➂
63.31 27.00 8.88 58.50 22.25
➁
0.56
➁
NFR455DTK
➂
, NFR456DTK
➂
, NFR457DTK
➂
Figure 2 (30-200A Type 12 & 4X)
DTNF361J, DTNF361S 24.42 9.65 6.48 26.65 5.47 0.27
DTNF362J, DTNF362S 24.80 11.61 6.48 27.03 8.00 0.27
DTNF363J, DTNF363S 27.54 12.29 6.48 29.77 8.47 0.27
DTNF364J, DTNF364S 35.93 19.24 6.78 38.16 13.44 0.33
NF355HDTK➁, NF355SSDTK➁ 53.82 22.66 7.25 56.20 18.00 0.56
F353SSDTK
➁➂
37.00 11.62 5.50 39.50 9.00 0.26
F354SSDTK
➁➂
50.90 19.16 6.48 63.27 16.12 0.50
F355SSDTK
➁➂
74.50 25.00 8.92 76.69 20.25 0.56
A
D
E
(6) ”F“ Dia. mounting holes (30-200A)
(4) ”F“ Dia. mounting holes (400-1200A)
C
L
C
B
This mounting hole
omitted on 30-100A
Type VBII Non-Fusible
switches
C
B
C
B
C
D
E
(6) ”F“ Dia. mounting holes (30-200A)
(4) ”F“ Dia. mounting holes (400-1200A)
C
L
A
47
➀ (3) Mounting holes supplied (1 at top).
➁ (4) Mounting holes supplied.
➂ These switches are not Type VBII design.
➃ Drip hood not shown but provided on Type 3R enclosures.
➃