SolaHD: Three Phase Electrical Connections for Low Voltage, General PurposeTransformers


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Home > Products > Transformers > Automation Transformers > Three Phase Electrical Connections

Three Phase Electrical Connections

Notes:
Connect the electrostatic shield to the equipment ground (green) or to both the equipment ground and the system ground (white). Specifications are subject to change without notice.

Connection 25 (HT6 Series)

240 D Volt Primary, 208Y/120 Volt Secondary, Taps: 2, 5% FCBN

Primary Voltage	Connect Taps	Connect Lines To
240	1-H1 & 2-H2 & 3-H3	H1, H2 & H3
228	4-H1 & 5-H2 & 6-H3	H1, H2 & H3
216	7-H1 & 8-H2 & 9-H3	H1, H2 & H3
Secondary Voltage		Connect Lines To
208	x	X1, X2 & X3
120	x	X0, X1, X3, X4

Connection 26 (HT3 Series)

208 D Volt Primary, 208Y/120 Volt Secondary, Taps: 2, 5% FCBN

Primary Voltage	Interconnect	Connect Lines To
208	1-H1 & 2-H2 & 3-H3	H1, H2 & H3
198	4-H1 & 5-H2 & 6-H3	H1, H2 & H3
187	7-H1 & 8-H2 & 9-H3	H1, H2 & H3
Secondary Voltage	Interconnect	Connect Lines To
208	x	X1, X2 & X3
120	x	X0, X1, X2, X3

Connection 27 (HT1 Series)

480 D Volt Primary, 208Y/120 Volt Secondary, Taps: 2, 5% FCBN

Primary Voltage	Interconnect	Connect Lines To
480	1-H1 & 2-H2 & 3-H3	H1, H2 & H3
456	4-H1 & 5-H2 & 6-H3	H1, H2 & H3
432	7-H1 & 8-H2 & 9-H3	H1, H2 & H3
Secondary Voltage	Interconnect	Connect Lines To
208	x	X1, X2 & X3
120	x	X0, X1, X2, X3

Connection 28 (HT5 Series)

480 D Volt Primary, 240 D w/120 CT Volt Secondary, Taps: 2, 5% FCBN

Primary Voltage	Connect Taps	Connect Lines To
480	1-H1 & 2-H2 & 3-H3	H1, H2 & H3
456	4-H1 & 5-H2 & 6-H3	H1, H2 & H3
432	7-H1 & 8-H2 & 9-H3	H1, H2 & H3
Secondary Voltage	Interconnect	Connect Lines To
240	x	X1, X2 & X3
120-0-120	X6 to	X1-X6-X3

Connection 29 (HT79 Series)

480 D Volt Primary, 380Y/220 Volt Secondary, Taps: 2, 5% FCBN

Primary Voltage	Interconnect	Connect Lines To
480	1-H1 & 2-H2 & 3-H3	H1, H2 & H3
456	4-H1 & 5-H2 & 6-H3	H1, H2 & H3
432	7-H1 & 8-H2 & 9-H3	H1, H2 & H3
Secondary Voltage	Interconnect	Connect Lines To
380	x	X1, X2, X3
220	x	X0, X1, X2, X3

Connection 30 (HT7 Series)

600 D Volt Primary, 208Y/120 Volt Secondary, Taps: 2, 5% FCBN

Primary Voltage	Connect Taps	Line Leads
600	1-H1 & 2-H2 & 3-H3	H1, H2 & H3
570	4-H1 & 5-H2 & 6-H3	H1, H2 & H3
540	7-H1 & 8-H2 & 9-H3	H1, H2 & H3
Secondary Voltage		Line Leads
208		X1, X2, X3
120	x	X0, X1, X2, X3

Connection 31 (HT84 Series)

208 D Volt Primary, 480Y/277 Volt Secondary, Taps: 2, 5% FCBN

Primary Voltage	Connect Taps	Line Leads
208	1-X1 & 2-X2 & 3-X3	X1, X2 & X3
198	4-X1 & 5-X2 & 6-X3	X1, X2 & X3
187	7-X1 & 8-X2 & 9-X3	X1, X2 & X3
Secondary Voltage		Line Leads
480		X1, X2, X3
277	x	X0, X1, X2, X3

Connection 32 (HT85 Series)

240 D Volt Primary, 480Y/277 Volt Secondary, Taps: 2, 5% FCBN

Primary Voltage	Connect Taps	Line Leads
240	1-X1 & 2-X2 & 3-X3	X1, X2 & X3
228	4-X1 & 5-X2 & 6-X3	X1, X2 & X3
216	7-X1 & 8-X2 & 9-X3	X1, X2 & X3
Secondary Voltage		Line Leads
480		H1, H2, H3
277	x	H0, H1, H2, H3