GHB3070 EATON CUTLER HAMMER, GHB3070 Datasheet - Page 194
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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Engine Generator
Circuit Breakers
Product Description
Eaton’s Cutler-Hammer engine genera-
tor molded case circuit breakers are
designed specifically for application
on diesel engine powered standby
generators where high interrupting
circuit breakers are not required. The
JG through NG breakers are equipped
with a special trip unit, that includes
standard thermal (overload) protection
and special low magnetic pickup range
(FG includes a fixed thermal-magnetic
pickup). The standard thermal trip unit
provides overload protection for con-
ductors per the National Electrical
Code. The low magnetic pickup range
is approximately two to five times the
continuous rating and provides closer
low-level short-circuit protection when
applied on generators that have very
low short-circuit capacity. This combi-
nation allows the user to customize
the breaker to the generator output.
Engine generator circuit breakers are
suitable for reverse feed application.
Series C Molded Case Circuit Breakers
Engine Generator Circuit Breakers
Product Description
Standards and Certifications
Engine generator molded case circuit
breakers are designed to conform with
the following standards:
■
■
■
Conformance with these standards
satisfies most local and international
codes, assuming user acceptability
and simplified application.
For more information visit: www.eaton.com
Underwriters Laboratories
Standard UL 489, Molded Case
Circuit Breakers and Circuit Breaker
Enclosures File E7819.
Canadian Standards Association
Standard C22.2 No. 5, Service
Entrance and Branch Circuit Breakers.
International Electrotechnical
Commission Recommendations
IEC 947-2, Circuit Breakers.
Technical Data
and Specifications
Table 12-316. UL 489 Interrupting Capacity
Ratings
Table 12-317. IEC 947-2 Interrupting Capacity
Ratings
Volts ac
(50/60 Hz)
240
480
600
Volts ac
(50/60 Hz)
220, 240
380, 415
660, 690
Interrupting Capacity
(Symmetrical Amperes)
18,000
14,000
10,000
Interrupting Capacity
(Symmetrical Amperes)
18,000/ 9,000
14,000/ 7,000
10,000/5,000
November 2008
CA08101001E
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