and Reference: See Section 22 for a
complete list of additional product-related publications
2-1
Safety Switches
Rev. 1/08
Prices and data subject
to change without notice
Section 2
Quick Selection Guide, Enclosure Types...................................2-2
General Duty, Type TG .................................................................2-4
Heavy Duty, Type TH....................................................................2-6
Mill Duty, Type TH.......................................................................2-13
Double Throw Switches, Type TC, TDT....................................2-16
Special Purpose, Heavy Duty, Type TH...................................2-19
Definite Purpose .........................................................................2-21
AC Disconnects ..........................................................................2-22
Accessories: NEMA Type 1 and 3R Enclosures ......................2-23
Accessories: NEMA Type 4/4X and Mill Duty Enclosures ....2-25
Additional Accessories ..............................................................2-27
Enclosure and Knockout Dimensions ............2-29 through 2-37
Low Voltage Construction Fuses .............................................2-38
GE Fastrac Program Service
Safety Switches
The GE Fastrac Program includes popular heavy duty and general
duty safety switches.
Standard cycle: 5 days
GE Fastrac Program: Distributor stock
For more information on these products, order publications from
Sections 22 and 23.
New from GE!
Double-Throw Switches Now NEMA 3R (Outdoor) - Complete
offering of NEMA 3R double-throw TC switches offered in 240V
and 600V, 30A to 600A. Service entrance rated.
316 Stainless Switches - Heavy-duty 317 stainless steel

switches have been replaced with 316 stainless steel. www.geelectrical.com
Rev. 1/08
Prices and data subject
to change without notice
BuyLog
�
Catalog
2-2
Safety Switches
Section 2
Spec-Setter Safety Switches
Quick Selection Guide
General Duty Safety Switch, Single-throw
Heavy Duty Safety Switch, Single-throw
Double-throw Safety Switch
Max. System
Voltage
Ampere
Rating
Switch Type
Class
Withstanding Rating
(rms Sym Amps)
Enclosure
Type
BuyLog
Page
K
10,000
H
10,000
R
100,000
K
10,000
H
10,000
R
10,000
K
10,000
H
10,000
R
100,000
K
10,000
H
10,000
R
10,000
30-
200
400-
600
UL Listed Fusing
250Vac
250Vdc
Fusible
No
1
Fuse
1
3R
2-4,
2-5
30-
200
400-
600
Max. System
Voltage
Ampere
Rating
Switch Type
Class
Withstanding Rating
(rms Sym Amps)
Enclosure
Type
BuyLog
Page
H
10,000
R
200,000
J
200,000
L
100,000
H
10,000
R
10,000
J
10,000
L
10,000
Fusible
No
1
3
3
Fuse
UL Listed Fusing
600Vac
250Vac
30-
1200
1
3R
4/4X
5,12
2-6
through
2-15
Mill Duty
Max. System
Voltage
Ampere
Rating
Switch Type
Class
Withstanding Rating
(rms Sym Amps)
Enclosure
Type
BuyLog
Page
600Vac
250Vdc
30-
600
No
Fuse
1
2
3R
2-16 through 2-18
10,000
1
Non-fusible switch withstand ratings apply when protected by corresponding listed fuse type.
2
3
100-200 amp also available as Type 3R (General Duty only).
UL Listed Fusing
Class L fuses are only applicable when used with 800 and 1200A Type TC safety switches.
Enclosure Types
Type 1Enclosures constructed for indoor use to provide a degree of protection to

personnel against incidental contact with the enclosed equipment and to provide a
degree of protection against falling dirt.
Type 3REnclosures constructed for either indoor or outdoor use to provide a degree
of protection to personnel against incidental contact with the enclosed equipment; to
provide a degree of protection against falling dirt, rain, sleet, and snow; and that will
be undamaged by the external formation of ice on the enclosure
Type 4Enclosures constructed for either indoor or outdoor use to provide a degree
of protection to personnel against incidental contact with the enclosed equipment;
to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust,
splashing water, and hose-directed water; and that will be undamaged by the external
formation of ice on the enclosure.
Type 4XEnclosures constructed for either indoor or outdoor use to provide a degree
of protection to personnel against incidental contact with the enclosed equipment; to
provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust,
splashing water, hose-directed water, and corrosion; and that will be undamaged by
the external formation of ice on the enclosure.
TG3321
TH3361SS
TC10323R www.geelectrical.com
BuyLog
�
Catalog
Publications and Reference: See Section 22 for a
complete list of additional product-related publications
2-3
Safety Switches
Rev. 1/08
Prices and data subject
to change without notice
Section 2
Spec-Setter Safety Switches
Quick Selection Guide
Enclosure Types (continued)
Type 5Enclosures constructed for indoor use to provide a degree of protection to

personnel against incidental contact with the enclosed equipment; to provide a degree
of protection against falling dirt; against settling airborne dust, lint, fibers, and flyings;
and to provide a degree of protection against dripping and light splashing of liquids
Type 12Enclosures constructed (without knockouts) for indoor use to provide a degree
of protection to personnel against incidental contact with the enclosed equipment; to
provide a degree of protection against falling dirt; against circulating dust, lint, fibers,
and flyings; and to provide a degree of protection against dripping and light splashing
of liquids
Application Note: For applications of disconnecting means in motor circuit applications,

disconnect must be sized based on ampacity per NEC 430-110, but not less than 115%
of Motor Name-Plate current.
T
N
3
6
1
J
DC
H
3
Publication
Fusing

N= No Fuse

Blank= Fused
Number of Wires

2, 3, 4, 6
Ampere Rating
1=
30A

2= 60A
3=
100A
4=
200A
5=
400A
6=
600A
Duty Level
H=
Heavy Duty
G= General Duty
C= Double Throw
D= Fusible Double Throw
Maximum AC Voltage

2= 240V, 6= 600V
Enclosure Type

Blank= NEMA 1

B= Bottom Feed (240V, TH, Type 1, 200-600A)

R= NEMA 3R

SS= NEMA 4/5 Stainless Steel Type 304

SS316= NEMA 4/4X Stainless Steel Type 316

J= NEMA 12

M= Mill Duty NEMA 12

W= Viewing Window Option

F= Vertically Hinged Door, NEMA 3R
Number of Poles

2, 3, 6
Other Features

DC= Max DC Voltage600V

CL= Copper Lug
Comparison of Specific Applications of Enclosures
for Indoor Nonhazardous Locations
Type of Enclosure
Provides a Degree of Protection Against the Following Environmental Conditions
1*
4
4X
5
12
Incidental contact with the enclosed equipment
X
X
X
X
X
Falling dirt
X
X
X
X
X
Falling liquids and light splashing X
X
X
X
Circulating dust, lint, fibers, and flyings** X
X X
Settling airborne dust, lint, fibers, and flyings** X
X
X
X
Hosedown and splashing water X
X
Oil and coolant seepage
X
Corrosive agents X
*These enclosures may be ventilated.
** These fibers and flyings are nonhazardous materials and are not considered Class III type ignitable fibers or
combustible flyings. For Class III type ignitable fibers or combustible flyings see the National Electrical Code,
Article 500.
Applications of Enclosures for Outdoor Nonhazardous Locations
Type of Enclosure
Provides a Degree of Protection Against the Following Environmental Conditions
3R*
4
4X
Incidental contact with the enclosed equipment
X
X
X
Rain, snow, and sleet**
X
X
X
Windblown dust, lint, fibers, and flyings X
X
Hosedown X
X
Corrosive agents
X
* These enclosures may be ventilated.
** External operating mechanisms are not required to be operable when the enclosure is ice covered. www.geelectrical.com
Rev. 1/08
Prices and data subject
to change without notice
BuyLog
�
Catalog
2-4
Safety Switches
Section 2
Safety
Switches
Fusible, Four-wire SN, 208/120 and 240 Volts AC
Fusible, Three-pole, 240 Volts AC
General Duty, Type TG
Spec-Setter Safety Switches
30-600 Amperes
240 Volts AC
250 Volts DC
Cartridge Fuse, Type TG Switches
Designed for residential or light commercial application where
duty is not severe.
UL Listed. Products in this section have been tested by UL
and shown to meet the construction and performance require-
ments of UL Standard Number 98, Enclosed and Dead Front
Switches.
Meet or exceed NEMA Enclosed Switch Standard KS1-1990 for
Type GD.
CSA certified.
60�C and 75�C conductor rating.
Feature quick-make, quick-break mechanisms (30-200 amps).
Suitable for use as service entrance equipment when installed
in accordance with National Electrical Code.
30-200 amp fusible switches are rated 100,000 rms amps, sym
IC when used with Class R fuses.
Order appropriate Class R Fusing Kit from pages 2-27 and 2-28.
Bottom-feed version available for 200-600 amp, NEMA 1 only.
No Fuse, Two-pole, 240 Volts AC; 250 Volts DC (30-100 amps only);
Three-pole, 240 Volts AC or Two-pole with Switching Neutral
Fusible, Two-pole, 120/240 and 240 Volts AC; 250 Volts DC
(30-100 amps only); Three-wire SN, 240 Volts AC www.geelectrical.com
BuyLog
�
Catalog
Publications and Reference: See Section 22 for a
complete list of additional product-related publications
2-5
Safety Switches
Rev. 1/08
Prices and data subject
to change without notice
Section 2
General Duty, Type TG
Spec-Setter Safey Switches
30-600 Amperes
240 Volts AC
250 Volts DC
Fusible, Two-pole, 120/240 and 240 Volts AC; 250 Volts DC (30-100 amps only); Three-wire SN, 240 Volts AC
Ampere
Enclosure
HP, 240 Vac,
HP, 240 Vac,
HP, 240 Vac,
HP, 240 Vac,
Product
List Price
Rating
Type
NEC Std, 1-ph
NEC Std, 3-ph
Time Delay,