Product Specification Sheet HD30.13
Answers for industry.
Heavy Duty Double Throw
Safety Switch
Type VBII, 30 Amp, Type 1 (Indoor)
Standards and Ratings
• UL Listed under file #E4776
• Meets UL98 for switches and UL50
for enclosures
• Suitable for use as Transfer
Equipment on optional standby
systems as defined by Article 702
of the NEC
• Meets NEMA Standard KS-1 for
enclosed switches (Type HD)
• Meets NEC wire bending space
requirements
• Suitable for use as Service Equipment
• Rated 10,000 AIC with Class H or
200,000 AIC when used with or
protected by Class R or J fuses (fuse
ampere rating must not exceed
switch ampere rating)
Features
• Quick-make and break switching
action
• Visible blade, double break
construction
• Highly visible ON/OFF indication
• Modular design allows quick and
easy replacement of parts
• Front removable lugs which can
easily be converted to copper body
or compression type lugs
• Defeatable dual cover interlock
• All copper current carrying parts
1
• Tangential knockouts
• Handle is padlockable in OFF position
Catalog Max Shipping
Number AC Volts Description Weight (lbs)
DTF321
2
240 Fusible, 3 Pole, 3 Wire 38
DTF361
2
600 Fusible, 3 Pole, 3 Wire 38
DTNF221 240 Non-fusible, 2 Pole, 2 Wire 33
DTNF321 240 Non-fusible, 3 Pole, 3 Wire 34
DTNF361 600 Non-fusible, 3 Pole, 3 Wire 34
Catalog
240V 1Ø 240V 3Ø 480V 3Ø 600V 3Ø 250V DC
Number Std Max Std Max Std Max Std Max Std Max
DTF321 1¹⁄₂ 33 7¹⁄₂ — — — — 5 —
DTF361 1¹⁄₂ 33 7¹⁄₂ 5 15 7¹⁄₂ 20 5 —
DTNF221 — 5 — 10 — — — — — 5
DTNF321 — 5 — 10 — — — — — 5
DTNF361 — 5 — 10 — 20 — 30 — 5
General Information
Horsepower Ratings
3
1
Lugs are aluminum alloy as standard. Optional copper body lugs are available.
2
Fusible switches accept: Class H fuses as standard or Class R fuses with kit.Catalog number DTF361 also
accepts Class J fuses (move load base).
3
Dual horse ratings: Std - applies when non-time delay fuses are installed. Max - applies when time-delay
fuses are installed.
Mechanical Lug Wire Ranges (60/75°C, Cu/Al)
Description Wire Range
Line, Load #12-6 AWG (Al) or
Neutral #14-6 AWG (Cu)
Ground #14-4 AWG
Product Specification Sheet #HD30.13 (page 2 of 2)
Compression Lugs (UL listed for field installation)
2
Dimensions and Wire Bending Space
Wire
Burndy Thomas-Betts IIsco
Size CU Only CU/AL CU Only CU/AL CU Only CU/AL
60096
#14-10
60097
YA8C-L BOX 54104 60101 CRA-8 ACL-8
#8 YA8C-L1 BOX 54130 60102 ACN-8
61102
#6 61107
Catalog
Dimensions Wire Bending Space
Number A B C Top Bottom
DTNF221
DTNF321
24.50 19.00 24.98
DTNF361
(622) (483) (634)
4.75 4.75
DTF321
29.14 23.50 29.63 4.75 7.50
DTF361 (740) (597) (753) 4.75 4.75
Dimension Drawing
1
Catalog number is same as switch catalog number plus “DOOR” suffix.
2
If compression lugs are used for the neutral, order compression lug neutral barrier
kit HCL612.
B
2.44
(62)
6.75 (171)
3.375
(86)
C
L
(6) .268"
(6.8) diameter
mounting holes
(4) knockouts in
back and (2) in
each side for 1/2,
3/4 & 1" conduit
1.75 (44)
1.75 (44)
5.73
(146)
C
2.45
(62)
6.09
(155)
.94 (24)
.25(6)
2.06
(52)
16.44
(418)
Note: This
KO only
omitted on
Non-Fusible
Switches
A
(OD Box
Less Cover)
1.13
(29)
2.06
(52)
1.65 (42)
1.65 (42)
2.37
(60)
This mounting
hole omitted
on DTNF221,
DTNF321 &
DTNF361
C
L
11.53
(293)
2.00
(51)
2.00
(51)
(2) knockouts
for 1/2" conduit
(2) 1/2"
knockouts
3.32
(84)
.97
(25)
1.00
(25)
1.00
(25)
9.53
(242)
1.69 (43)
(4) knockouts
for 1/2, 3/4,
1" conduit
Note: Typical of both
top and bottom ends
Accessories
Catalog
Number Description
HA161234 Auxiliary Switch (1-NO & 1 NC)
1
HA261234 Auxiliary Switch (2-NO & 2 NC)
1
HA361234 Low Voltage Auxiliary Switch
1
HG61234 Equipment Ground Lug Kit (two lugs provided)
HG261234 Isolated Equipment Ground Lug Kit
HP61 Fuse Puller (3 per kit, (2) kits required per switch)
HNC612 Neutral Kit
HR21 240 Volt Class R Fuse Clip Kit (3 fuse clips per kit,
(2) kits required per switch)
HR612 600 Volt Class R Fuse Clip Kit (3 fuse clips per kit,
(2) kits required per switch)
HLC612 Copper Lug Kit (9 lugs per kit)
HCL612 Compression Lug Neutral Barrier Kit
Catalog
Number Description
HFB21 Fusible 240 Volt Line Side Replacement Base (2) kits
required per switch
HBB21 Fusible 240 Volt Load Side Replacement Base (2) kits
required per switch
HFB612 Fusible 600 Volt Line Side Replacement Base (2) kits
required per switch
HBB612 Fusible 600 Volt Load Side Replacement Base (2) kits
required per switch
HNB612 Non-fusible Replacement Line Base (2) Kits required per switch
HHD61234 Replacement Handle/Handle Guard
HL612 Replacement Lugs (3 lugs per kit)
HM6123 Replacement Mechanism (2) kits required per switch
1
Replacement Door
Replacement Parts
Dimensions shown in inches and millimeters ( ).
Dimension shown accurate to
+
¹⁄₈ inch.
Enclosure: Cold Rolled Steel .053 Thick (17 Gauge)
Finish – ANSI Grey #61 Paint
Siemens is a registered trademark of Siemens AG. Product names
mentioned may be trademarks or registered trademarks of their
respective copanies. Specifications subject to change without notice.
www.usa.siemens.com/switches
Siemens Industry, Inc.
Building Technologies Division
5400 Triangle Parkway
Norcross, GA 30092
1-800-964-4114
Subject to change without prior notice
All rights reserved
Printed in USA
© 2009 Siemens Industry, Inc.
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Siemens DTNF361 Installation guide
- Type
- Installation guide
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