US 7,358,845 B2
Cable limiter and crab limiter employing replaceable fusible element
John R. Moffat, Greenwood, S.C. (US)
Assigned to Eaton Corporation, Cleveland, Ohio (US)
Filed on Aug. 15, 2006, as Appl. No. 11/464,578.
Prior Publication US 2008/0042796 A1, Feb. 21, 2008
Int. Cl. H01H 85/30 (2006.01); H01H 85/143 (2006.01)
U.S. Cl. 337—237  [337/206; 337/241; 337/244] 18 Claims
OG exemplary drawing
 
1. A cable limiter comprising:
a main body including a cavity;
a replaceable fusible element, the cavity of said main body being structured to receive said replaceable fusible element; and
an annunciator housed by said main body, said annunciator structured to annunciate status of said replaceable fusible element,
wherein said annunciator comprises a piezoelectric transducer and a voltage sense circuit structured to power said piezoelectric transducer responsive to voltage across said replaceable fusible element said replaceable fusible element includes a predetermined current rating and a member sized as a function of said predetermined current rating; wherein said cavity includes an aperture sized to receive therein only said member of said replaceable fusible element having said predetermined current rating; wherein said main body includes a first conductive end member and a second conductive end member, said first and second conductive end members removably mounting said replaceable fusible element; and wherein the member of said replaceable fusible element is between and offset from said first and second conductive end members, which mount said replaceable fusible element.