Series C Molded Case Circuit Breakers
15 – 100 Amperes
12-73
July 2007
G-Frame
Types GHB and HGHB Bolt-On
Panelboard Circuit Breakers
Product Selection
Table 12-119. Type GHB Thermal-Magnetic Circuit Breakers with Non-Interchangeable Trip Units 1
Continuous
Ampere Rating
at 40°C
1-Pole
Catalog
Number
Typical GHB
15
20
25
30
35
40
45
50
60
70
80
90
100
1
Standards and Certifications
2
These breakers meet the requirements
of Federal Specification W-C-375b as
follows:
4
■
■
Type GHB, 120 and 240 V:
❑ 1 Pole: Class 11a
❑ 2, 3 Poles: Classes 10b, 11b, 12b,
14b, 15b
❑ UL/CSA
Type GHB, 277 and 480Y/277 V:
❑ 1 Pole: Classes 12c, 13a
❑ 2, 3 Poles: Class 13b
❑ Type HGHB 277 V
❑ Type GHQ 277 V
3
5
277/480 Vac Maximum,
125/250 Vdc Maximum
277/480 Vac Maximum,
125 Vdc Maximum 2
2-Pole
Price
U.S. $
3-Pole
Catalog
Number
GHB1015 45
GHB1020 45
GHB1025
GHB1030
GHB1035
GHB1040
GHB1045
GHB1050
GHB1060
GHB1070
GHB1080
GHB1090
GHB1100
277/480 Vac Maximum,
125/250 Vdc Maximum 3
GHB2015 4
GHB2020 4
GHB2025
GHB2030
GHB2035
GHB2040
GHB2045
GHB2050
GHB2060
GHB2070
GHB2080
GHB2090
GHB2100
Price
U.S. $
Catalog
Number
Price
U.S. $
GHB3015 4
GHB3020 4
GHB3025
GHB3030
GHB3035
GHB3040
GHB3045
GHB3050
GHB3060
GHB3070
GHB3080
GHB3090
GHB3100
480Y/277 V, circuit breakers (Type GHB) not suitable for 3-phase Delta (480 V).
15 through 70 ampere circuit breakers only.
Use (2) outside poles.
Uses .190 (4.83) -32 screw type clamp terminals.
Add suffix HID for High Intensity Discharge (HID) applications. 15 and 20 ampere, 1-pole are
SWD rated.
Table 12-120. Type HGHB Thermal-Magnetic Circuit Breakers with Non-Interchangeable Trip Units
Continuous
Ampere Rating
at 40°C
277 Vac Maximum, 125 Vdc Maximum
15
20
25
30
HGHB1015 6
HGHB1020 6
HGHB1025
HGHB1030
6
1-Pole
Catalog
Number
Price
U.S. $
15 and 20 ampere, 1-pole are SWD rated.
Table 12-121. Type GHQ Thermal-Magnetic Circuit Breakers with Non-Interchangeable Trip Units
Continuous
Ampere Rating
at 40°C
277 Vac Maximum 14 kAIC, No dc Rating (HID & SWD)
15
20
GHQ1015 7
GHQ1020 7
7
1-Pole
Catalog
Number
Price
U.S. $
Includes 4A33462H01 load clip.
Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . CB-2
CA08101001E
For more information visit: www.eaton.com
12
Series C Molded Case Circuit Breakers
15 – 100 Amperes
12-70
July 2007
G-Frame
Product Description
Technical Data and Specifications
All two- and three-pole circuit breakers are of the common trip type. On
all 3-phase Delta (240 V) Grounded B
phase applications, refer to Eaton.
■ Single-pole circuit breakers,
15 and 20 amperes. Switching duty
rated (SWD) for fluorescent lighting
applications.
■ All G-Frame circuit breakers are
suitable for reverse feed use.
■ HACR rated.
Interrupting Capacity Ratings
■
Table 12-114. UL 489 Interrupting Capacity Ratings
Circuit
Breaker
Type
Number
of Poles
GD
2
3
1
2
Interrupting Capacity (kA Symmetrical Amperes)
Volts ac (50/60 Hz)
120
240
277
480
250 12
—
—
65
65
—
—
14
22
10
10
Time constant is 8 milliseconds minimum.
Two poles of 3-pole circuit breaker.
Table 12-114. UL 489 Interrupting Capacity Ratings (Continued)
12
Circuit
Breaker
Type
Number
of Poles
GHQ
GHB
Interrupting Capacity (kA Symmetrical Amperes)
Volts ac (50/60 Hz)
Volts dc
120
240
277
480Y/277
125
—
65
—
14
—
—
1
2, 3
65
—
—
65
14
—
—
14
14 3
14
HGHB
1
65
—
25
—
14
GHC
1
2, 3
65
—
—
65
14
—
—
14
14 3
14
HGHC
1
65
—
25
—
14
3
15 through 70 A breakers only.
Terminal Types
For line and load-side. Terminals are UL listed as suitable for wire type and size
given below.
Table 12-115. Terminal Types
Circuit
Breaker
Amperes
Terminal Type Material
Screw
Head Type
Wire
Type
AWG Wire Metric Wire 4
Range (mm2)
Range
Clamp (Plated Steel)
Pressure (Aluminum Body)
Slotted
Slotted
Cu/Al
Cu/Al
14 – 10
10 – 1/0
2.5 – 4
4 – 50
Slotted
Cu
14 – 3
—
Standard
15 – 20
25 – 100
Optional — GD Only
15 – 100
4
Pressure (Steel Body)
Not UL listed sizes.
For more information visit: www.eaton.com
CA08101001E
Series C Molded Case Circuit Breakers
15 – 100 Amperes
12-71
July 2007
G-Frame
Product Selection
This information is presented only as an aid to understanding Catalog Numbers.
It is not to be used to build Catalog Numbers for circuit breakers or trip units.
Table 12-116. Circuit Breaker/Frame Catalog Numbering System
GD 3 100 K
Circuit Breaker
Type
GD
GHB
GHC
GHQ
Number
of Poles
1 = 1 Pole
2 = 2 Poles
3 = 3 Poles
Trip Amperes
015
020
024
030
035
040
045
050
060
070
080
090
100
Suffix
K = Molded Case Switch
D = Ring Type Terminals
C = Steel Collars
V = 50°C
J01 = Fungus Proofed
R01 = Shock Tested
F01 = Freeze Tester
HID = High Intensity Discharge
12
CA08101001E
For more information visit: www.eaton.com
Series C Molded Case Circuit Breakers
Motor Circuit Protectors
12-179
July 2007
Accessories
Modifications for GMCP
Internal accessories must be factory installed.
Table 12-284. Internal Accessories 1
Type
Accessory
Electrical Ratings
Volts
Frequency
Amperes
Contact
Arrangement
Factory
Suffix
Style
Number
Shunt Trip 2
Shunt Trip 2
120
240
50/60 Hz
50/60 Hz
1.1
2.1
—
—
S5
S6
1373D62G18
1373D62G19
Auxiliary Switch 3
Auxiliary Switch 3
240
240
50/60 Hz
50/60 Hz
6.0
6.0
1a/1b
2a/2b
A3
A6
1288C74G03
1288C73G03
Alarm Switch 3
240
50/60 Hz
6.0
Make/Break
B3
1288C75G03
Auxiliary Switch/Alarm Switch Combination 3
240
50/60 Hz
6.0
1a/1b Make/Break
B13
1288C76G09
1
2
3
Adder
U.S. $
Only one accessory may be installed in GMCP.
LH only.
RH only.
Note: No UVR available on GMCP.
Table 12-286. Vari-Depth Handle Mechanism 5
Table 12-285. External Mounted Accessories
Description
Number Units
in Package
Style
Number
Lock Dog (Non-padlockable)
Mounting Hardware
DIN Rail Adapter 4
1
1
10
1294C01H01
624B375G23
1225C79G02
4
Price
U.S. $
For use with standard 35 mm DIN rail such as, 35 x 7.5 or 15 mm per
DIN EN50022.
Description
Catalog
Number
For Type 1 use
For Type 3R, 4X, 12 use
Close Coupled Black with Gray Handle
Close Coupled Red with Yellow Handle
HRGMV11L
HRGMV14L
HRGMC10
HRGMC30
5
Price
U.S. $
For use with GMCP only.
Modifications for HMCP
See Internal Accessories starting on Page 12-230.
Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . . CB-2
CA08101001E
For more information visit: www.eaton.com
12