GHB3070 EATON CUTLER HAMMER, GHB3070 Datasheet - Page 134
![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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12
M-Frame
Product Description
■
■
■
■
All Cutler-Hammer M-Frame Circuit
Breakers by Eaton Corporation are
HACR rated.
MDL-Frame circuit breakers are
available as individual components
(Frame, Trip Unit, Terminals), or
factory assembled complete
breakers.
MDLB, HMDLB-Frame circuit breakers
with non-interchangeable trip units
are suitable for reverse feed use.
CE marked.
Series C Molded Case Circuit Breakers
300 – 800 Amperes
M-Frame
Typical M-Frame Circuit Breaker
Technical Data and Specifications
Table 12-226. UL 489/CSA Interrupting Capacity Ratings
Table 12-227. IEC 947-2 Interrupting Capacity Ratings
Circuit
Breaker
Type
MDL, MDLB
CMDL
HMDL, HMDLB
CHMDL
Circuit
Breaker
Type
MDL, MDLB
CMDL
HMDL, HMDLB
CHMDL
Utilization category A circuit breakers.
2-pole or two poles of 3-pole circuit breaker. Thermal-magnetic trip units only, MDL, HMDL
breakers with electronic trip unit are not dc rated.
Time constant is 3 milliseconds minimum at 10 kA and 8 milliseconds at 22 kA.
Utilization category A circuit breakers.
2-pole or two poles of 3-pole circuit breaker. Thermal-magnetic trip units only, MDL, HMDL
breakers with electronic trip unit are not dc rated.
Time constant is 3 milliseconds minimum at 10 kA and 8 milliseconds at 20 kA.
For more information visit: www.eaton.com
Number
of Poles
2, 3
2, 3
2, 3
Number
of Poles
2, 3
2, 3
2, 3
2, 3
2, 3
Interrupting Capacity (kA Symmetrical Amperes)
Volts ac (50/60 Hz)
240
100
100
Interrupting Capacity rms (kA Symmetrical Amperes) I
Volts ac (50/60 Hz)
240
100/100
100/100
65
65
65/65
65/65
480
50
50
65
65
415
50/50
50/50
70/50
70/50
600
25
25
35
35
690
20/10
20/10
25/13
25/13
Volts dc
250
22
—
25
—
Volts dc
250
20/10
—
20/10
—
November 2008
CA08101001E
CU
≠ I
CS
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