Electrical current transducer for measuring an electric current in a primary conductor, including a housing (4), a magnetic core (6) surrounding a central aperture (9) through which the primary conductor extends, and a magnetic field sensing device (8) comprising connection terminals (18). The housi
Electrical current transducer for measuring an electric current in a primary conductor, including a housing (4), a magnetic core (6) surrounding a central aperture (9) through which the primary conductor extends, and a magnetic field sensing device (8) comprising connection terminals (18). The housing comprises a magnetic core receiving cavity (22) in which the magnetic core is lodged and a connecting interface portion (25) in which the magnetic field sensing is lodged, the connecting interface projecting outwardly from the magnetic core receiving cavity and comprising latching elements complementary to latching elements of a separate connector interface element (11) selectively mountable to the connecting interface portion. The connector interface element comprises a connector shroud (14) forming with the connection terminals a pluggable connector interface for pluggable connection to an external pluggable connector, the current transducer adapted for mounting on an external circuit board without connector shroud.
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1. Electrical current transducer for measuring an electric current in a primary conductor, including a housing, a substantially rectangular magnetic core surrounding a substantially rectangular central aperture through which the primary conductor extends, and a magnetic field sensing device comprisi
1. Electrical current transducer for measuring an electric current in a primary conductor, including a housing, a substantially rectangular magnetic core surrounding a substantially rectangular central aperture through which the primary conductor extends, and a magnetic field sensing device comprising connection terminals, the housing comprising a magnetic core receiving cavity in which the magnetic core is lodged and a connecting interface portion in which the magnetic field sensing is lodged, the connecting interface projecting outwardly from the magnetic core receiving cavity, said connecting interface comprising first latching elements complementary to second latching elements of a separate connector interface element selectively mountable to the connecting interface portion, the separate connector interface element comprising a connector shroud forming with the connection terminals a pluggable connector interface for pluggable connection to an external pluggable connector, said connection terminals configured for mounting on an external circuit board without said selectively mountable connector shroud. 2. Electrical current transducer according to claim 1, further comprising a conductor module comprising an insulating support in which U shaped conductor coil portions are lodged, the insulating support further comprising third latching elements configured to engage complementary latching shoulders provided on the housing for securing the conductor module around a branch of the current transducer. 3. Electrical current transducer according to claim 2, wherein the insulating support comprises conductor mounting channels comprising clasp protrusions configured to clasp the U shaped conductor coil portions in the conductor mounting channels, a variable number of conductor coil portions being insertably mountable to the insulating support, the number selected according to the operating range of the current transducer. 4. Electrical current transducer according to claim 1, wherein the connector shroud provides a shroud wall portion that surrounds and protects the connection terminals, the connector shroud further comprising an inner support wall portion with orifices configured to receive and guide the connection terminals. 5. Electrical current transducer according to claim 2, wherein the third latching elements of the conductor module are provided on opposite parallel branches of the conductor module and engaging complementary fourth latching elements provided on opposed lateral sides of the housing, the conductor module being configured for rotatable insertion through the central aperture and around a branch of the magnetic core. 6. Electrical current transducer according to claim 1, wherein the magnetic core has a generally rectangular shape surrounding the central aperture and comprises a magnetic field circuit gap positioned in a corner region joining branches of the magnetic core. 7. Electrical current transducer according to claim 6, wherein the connector shroud protrudes outwardly from said corner region at an angle (β) of between 20 and 45° with respect to one of said branches. 8. Electrical current transducer according to claim 1, wherein the magnetic circuit gap is configured to receive therein a magnetic field detector of the magnetic field device at an angle (β) of between 20 and 45° with respect to one of said branches. 9. Electrical current transducer according to claim 8, wherein the connection terminals have bent end portions configured for connection to circuit traces of a circuit board. 10. Electrical current transducer according to claim 1, wherein the housing connecting interface portion comprises a polarizing element cooperable with a complimentary polarizing element on the separate connector interface element. 11. Electrical current transducer according to claim 1, further comprising a support element that is separate from the housing, the support element comprising a base plate and extending transversely therefrom a pair of positioning walls spaced apart by distance (H1) corresponding essentially to a height (H2) between opposed lateral sides of the current transducer housing, configured to allow the current transducer housing to be inserted between the positioning walls of the support, whereby the positioning walls comprise fifth latching elements configured to engage complementary sixth latching elements provided on said lateral sides of the housing, wherein the housing comprises a plurality of said sixth latching elements at a plurality of positions along branches of the transducer such that the support element may be fixed onto the housing at different positions. 12. Electrical current transducer for measuring an electric current in a primary conductor, including a housing, a magnetic core surrounding a central aperture through which the primary conductor extends, and a magnetic field sensing device comprising connection terminals, the housing comprising a magnetic core receiving cavity in which the magnetic core is lodged and a connecting interface portion in which the magnetic field sensing is lodged, the transducer further comprising a conductor module comprising an insulating support in which U shaped conductor coil portions are lodged, the insulating support further comprising latching elements configured to engage complementary latching shoulders provided on the housing for securing the conductor module around a branch of the current transducer, wherein the conductor mounting channels comprise clasp protrusions configured to clasp the U shaped conductor coil portions in the conductor mounting channels, a variable number of conductor coil portions being insertably mountable to the insulating support, the number selected according to the operating range of the current transducer and, further comprising a support element that is separate from the housing, the support element comprising a base plate and extending transversely therefrom a pair of positioning walls spaced apart by distance (H1) corresponding essentially to a height (H2) between opposed lateral sides of the current transducer housing, configured to allow the current transducer housing to be inserted between the positioning walls of the support, whereby the positioning walls comprise latching elements configured to engage complementary latching elements provided on said lateral sides of the housing, wherein the housing comprises a plurality of said latching elements at a plurality of positions along branches of the transducer such that the support element may be fixed onto the housing at different positions. 13. Electrical current transducer for measuring an electric current in a primary conductor, including a housing, a magnetic core surrounding a central aperture through which the primary conductor extends, and a magnetic field sensing device comprising connection terminals, the housing comprising a magnetic core receiving cavity in which the magnetic core is lodged and a connecting interface portion in which the magnetic field sensing is lodged, the transducer further comprising a support element that is separate from the housing, the support element comprising a base plate and extending transversely therefrom a pair of positioning walls (40) spaced apart by distance (H1) corresponding essentially to a height (H2) between opposed lateral sides of the current transducer housing, configured to allow the current transducer housing to be inserted between the positioning walls of the support, whereby the positioning walls comprise latching elements configured to engage complementary latching elements provided on said lateral sides of the housing, the housing comprising a plurality of said latching elements at a plurality of positions along branches of the transducer such that the support element may be fixed onto the housing at different positions. 14. Electrical current transducer according to claim 13, wherein the support element comprises a width (W) configured to allow the support to be inserted in the magnetic circuit aperture such that the base plate rests against an inner face of the magnetic circuit aperture. 15. Electrical current transducer according to claim 13, further comprising an integrated conductor bar extending through the central aperture. 16. Electrical current transducer according to claim 15, wherein the support element is employed to secure the primary conductor bar within the central aperture.
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