GHB3070 EATON CUTLER HAMMER, GHB3070 Datasheet - Page 203
![CIRCUIT BREAKER, THERMAL MAG, 3P, 70A](/photos/21/81/218196/4580752_sml.jpg)
GHB3070
Manufacturer Part Number
GHB3070
Description
CIRCUIT BREAKER, THERMAL MAG, 3P, 70A
Manufacturer
EATON CUTLER HAMMER
Series
GHBr
Datasheet
1.EHMVD06B.pdf
(276 pages)
Specifications of GHB3070
Actuator Style
Toggle
No. Of Poles
3
Current Rating
70A
Voltage Rating Vdc
250V
Voltage Rating Vac
480V
Mounting Type
Panel
Terminals
Screw
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November 2008
Eaton’s Cutler-Hammer mining service circuit breakers provide
short circuit protection as specified in the code of Federal Reg-
ulations 30 CFR 75.601-2. E
600 ampere L frame electronic trip units feature specifically
designed instantaneous pickup settings to conform exactly
with the code of Federal Regulations 30 CFR 75.601-2. Electro-
mechanical trip units are also available with a wide range of
magnetic pickup ranges.
Table 12-334 lists the conductor size maximum allowable
circuit breaker instantaneous setting and the E
that meets that setting.
Table 12-334. Trailing Cable Setting Per 30 CFR 75
CA08101001E
Conductor
Size
250
300
350
400
500
14
12
10
8
6
4
3
2
1
1/0
2/0
3/0
4/0
Maximum
Breaker
Instantaneous
Setting
1000
1250
1500
2000
2500
2500
2500
2500
2500
2500
150
200
300
500
600
800
50
75
Maximum
Ampere
75°C
Insulated
Conductor
100
115
130
150
175
200
230
255
285
310
335
380
2
15
20
30
50
65
85
225/400 ampere K frame and 400/
E
Instantaneous
Only
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
/E
K 150 A
K 150 A
K 150 A
K 225 A
K 225 A
K 225 A/E2L 400 A
K 225 A/E2L 400 A
K 225 A/E2L 400 A
K 225 A/E2L 400 A
K 225 A/E2L 400 A
K 225 A/E2L 400 A
L 400 A
L 400 A
L 400 A
L 400 A
L 400 A
L 400 A
L 400 A
2
M
For more information visit: www.eaton.com
2
Series C Molded Case Circuit Breakers
Mining Service Circuit Breakers
E
breaker
2
F/E
2
FM
Setting
A
B
C
A
B
C/A
D/B
E/C
F/D
G/E
H/F
G
H
H
H
H
H
H
E
Table 12-335. Interrupting Capacity Ratings
Table 12-336. Thermal-Magnetic Circuit Breakers Sealed Breakers
with Non-Interchangeable Trip Unit — Include Line/Load Terminals
Table 12-337. Magnetic Only Circuit Breakers Sealed Breakers with
Non-Interchangeable Trip Unit — Include Line/Load Terminals
Circuit
Breaker
Type
E
E
Maximum
Continuous
Ampere Rating
at 40°C
100
125
150
Maximum
Continuous
Ampere
Rating
at 40°C
100
100
150
150
2
15
20
25
30
35
40
45
50
60
70
80
90
15
30
30
50
50
70
2
2
For 2-pole application use outer poles.
F
FM
3
7
F/E
2
FM
Interrupting Capacity (Symmetrical Amperes)
Vac (50/60 Hz)
240
65,000
—
Magnetic
Trip Range
150 – 500
210 – 700
150 – 500
300 – 1000
450 – 1500
750 – 2500
21 – 70
45 – 150
90 – 300
50 – 150
66 – 190
600 Vac Maximum,
250 Vdc
25 kA at 480 Vac
3-Pole
Catalog
Number
E2F3015
E2F3020
E2F3025
E2F3030
E2F3035
E2F3040
E2F3045
E2F3050
E2F3060
E2F3070
E2F3080
E2F3090
E2F3100
E2F3125
E2F3150
9 – 30
480
25,000
25,000
Further Information
Dimensions . . . . . . . . . . . . . . . . . . . . DS 29-170MS
Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . . CB-2
600 Vac
Maximum,
250 Vdc
25 kA at 480 Vac
3-Pole
Catalog
Number
E2F003AM
E2F007CM
E2F015EM
E2F030HM
E2F030EM
E2F050KM
E2F050YM
E2F070MM
E2F100KM
E2F100RM
E2F150TM
E2F150UM
Price
U.S. $
600
18,000
18,000
Price
U.S. $
1000Y/577 Vac Maximum,
250 Vdc
10 kA at 1000 Vac
3-Pole
Catalog
Number
—
—
—
—
—
—
—
E2FM3050
E2FM3060
E2FM3070
E2FM3080
E2FM3090
E2FM3100
E2FM3125
E2FM3150
1000Y/577 Vac
Maximum,
250 Vdc
10 kA at 1000 Vac
3-Pole
Catalog
Number
—
—
—
—
—
E2FM050KM
E2FM050YM
E2FM070MM
E2FM100KM
E2FM100RM
E2FM150TM
E2FM150UM
1000Y/577 250
—
10,000
Price
U.S. $
10,000
10,000
Vdc
Price
U.S. $
12-203
12
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