DOE 2016 Energy Efficient Three-Phase Transformers — EXN / EX

Technical specifications and catalog numbers for Schneider Electric EXN and EX Series three-phase, energy-efficient dry-type transformers.

Energy Efficient Three-Phase Transformers

EXN112T
Three-Phase Transformer

These selection tables cover multiple primary and secondary voltage configurations (208Y/120 V, 480Y/277 V, and 240 V Delta), kVA ratings from 15 to 500 kVA, aluminum and copper windings, and UL-listed designs. Key product attributes include minimum efficiency ratings up to 99.14%, full-capacity tap arrangements, 150 °C temperature rise, 220 °C insulation class, impedance (%IZ), sound levels, enclosure types, and unit weights.

note

Listed weights are not for construction. Contact your local Schneider Electric representative for certified prints.

Refer to the following for additional information and selection.

EXN & EX Three-Phase 60 Hz, 208Y/120 Vac Secondary; UL Listed

kVA	Catalog No.	Minimum Efficiency @ 35% 75°C	Full Capacity Taps	Degree C Temp. Rise	Insulation Class	%IZ	Sound Level dB	Weight (lbs)	Enclosure ^[1]
480 Vac Delta Primary, Aluminum Windings
15	EXN15T3H	97.89%	6–2.5%2+4–	150	220	4.03%	39 dB	188	17M
30	EXN30T3H	98.23%				3.80%		303	18M
45	EXN45T3H	98.40%				4.10%		369	19M
75	EXN75T3H	98.60%				4.90%	44 dB	515	20M
112.5	EXN112T3H	98.74%				3.70%		724	21M
150	EXN150T3H	98.83%				3.10%		933	22M
225	EXN225T3H	98.94%				2.90%	52 dB	1260	22M
225	EX225T3H	98.94%				4.4%		1450	25J
300	EX300T3H	99.02%				5.0%		1860	25J
500	EX500T68H	99.14%	4–2.5%2+2–			4.9%	57 dB	2915	30J
600 Vac Delta Primary, Aluminum Windings
15	EXN15T65H	97.89%	6–2.5%2+4–	150	220	4.32%	39 dB	188	17M
30	EXN30T65H	98.23%				3.70%		324	18M
45	EXN45T65H	98.40%				4.10%		368	19M
75	EXN75T65H	98.60%				4.67%	44 dB	513	20M
112.5	EXN112T65H	98.74%				3.62%		727	21M
150	EXN150T65H	98.83%				3.14%		1002	22M
225	EXN225T65H	98.94%				2.90%	52 dB	1245	22M
225	EX225T65H	98.94%				5.2%		1450	25J
300	EX300T65H	99.02%				5.3%		1860	25J
500	EX500T79H	99.14%	4–2.5%2+2–			—	57 dB	2915	30J
208 Vac Delta Primary, Aluminum Windings ^[2]
15	EXN15T3156H	97.89%	192/200/208/216/232/240/248	150	220	4.04%	39 dB	192	17M
30	EXN30T3156H	98.23%				3.22%		363	18M
45	EXN45T3156H	98.40%				4.04%		396	19M
75	EXN75T3156H	98.60%				4.88%	44 dB	526	20M
112.5	EXN112T3156H	98.74%				3.48%		811	21M
150	EXN150T3156H	98.83%				3.22%		1015	22M
240 Vac Delta Primary, Aluminum Windings ^[2]
15	EXN15T3156H	97.89%	192/200/208/216/232/240/248	150	220	4.04%	39 dB	192	17M
30	EXN30T3156H	98.23%				3.22%		363	18M
45	EXN45T3156H	98.40%				4.04%		396	19M
75	EXN75T3156H	98.60%				4.88%	44 dB	526	20M
112.5	EXN112T3156H	98.74%				3.48%		811	21M
150	EXN150T3156H	98.83%				3.22%		1015	22M
480 Vac Delta Primary, Copper Windings
15	EXN15T3HCU	97.89%	6–2.5%2+4–	150	220	4.06%	39 dB	222	17M
30	EXN30T3HCU	98.23%				4.08%		356	18M
45	EXN45T3HCU	98.40%				3.44%		399	19M
75	EXN75T3HCU	98.60%				4.99%	44 dB	661	20M
112.5	EXN112T3HCU	98.74%				3.27%		974	21M
150	EXN150T3HCU	98.83%				3.60%		1156	22M
225	EXN225T3HCU	98.94%				2.56%	52 dB	1640	22M
225	EX225T3HCU	98.94%				5.7%		1545	25J
300	EX300T3HCU	99.02%				6.0%		1975	25J
500	EX500T68HCU	99.14%	4–2.5%2+2–			4.8%	57 dB	3705	30J

EXN & EX Three-Phase 60 Hz, 480Y/277 Vac Secondary; UL Listed

kVA	Catalog No.	Minimum Efficiency @ 35% 75°C	Full Capacity Taps	Degree C Temp. Rise	Insulation Class	%IZ	Sound Level	Weight (lbs)	Enclosure ^[1]
208 Vac Delta Primary, Aluminum Windings ^[3]
15	EXN15T3155H	97.89%	192/200/208/216/232/240/248	150	220	4.01%	39 dB	191	17M
30	EXN30T3155H	98.23%				3.43%		335	18M
45	EXN45T3155H	98.40%				3.86%		395	19M
75	EXN75T3155H	98.60%				3.94%	44 dB	544	20M
112.5	EXN112T3155H	98.74%				3.67%		735	21M
150	EXN150T3155H	98.83%				3.12%		1020	22M
225	EX225T212H	98.94%	3–5%1+2–			5.8%	52 dB	1450	25J
300	EX300T212H	99.02%				5.2%	52 dB	1860	25J
500	EX500T212H	99.14%				4.8%	57 dB	2915	30J
480 Vac Delta Primary, Aluminum Windings
15	EXN15T1814H	97.89%	6–2.5%2+4–	150	220	4.62%	39 dB	191	17M
30	EXN30T1814H	98.23%				3.50%		333	18M
45	EXN45T1814H	98.40%				3.95%		373	19M
75	EXN75T1814H	98.60%				5.03%	44 dB	531	20M
112.5	EXN112T1814H	98.74%				3.53%		730	21M
150	EXN150T1814H	98.83%				3.08%		1012	22M
225	EXN225T1814H	98.94%				3.2%	52 dB	1270	22M
225	EX225T1814H	98.94%				4.6%		1450	25J
300	EX300T1814H	99.02%				5.4%		1860	25J
500	EX500T76H	99.14%	4–2.5%2+2–			—	57 dB	2915	30J

EXN & EX Three Phase 60 Hz, 240 Vac Delta Secondary; UL Listed

kVA	Catalog No.	Minimum Efficiency @ 35% 75°C	Full Capacity Taps	Degree C Temp. Rise	Insulation Class	%IZ	Sound Level dB	Weight (lbs)	Enclosure ^[1]
480 Vac Delta Primary, Aluminum Windings
15	EXN15T6H	97.89%	6-2.5%2+4-	150	220	4.70%	39dB	193	17M
30	EXN30T6H	98.23%	6-2.5%2+4-	150	220	2.99%	39dB	361	18M
45	EXN45T6H	98.40%	6-2.5%2+4-	150	220	4.06%	39dB	369	19M
75	EXN75T6H	98.60%	6-2.5%2+4-	150	220	5.08%	44dB	529	20M
112.5	EXN112T6H	98.74%	6-2.5%2+4-	150	220	3.47%	44dB	730	21M
150	EXN150T6H	98.83%	6-2.5%2+4-	150	220	3.08%	44dB	1007	22M
225	EXN225T6H	98.94%	6-2.5%2+4-	150	220	3.2%	52 dB	1245	22M
225	EX225T6H	98.94%	6-2.5%2+4-	150	220	4.5%	52 dB	1820	25J
300	EX300T6H	99.02%	6-2.5%2+4-	150	220	5.2%	52 dB	1960	25J
500	EX500T63H	99.14%	4–2.5%2+2–	150	220	4.9%	57 dB	3090	30J
480 Vac Delta Primary, Aluminum Windings
120 Volt Center Tap - Limited to 7.5% Loading, Design for Ground Reference and Light Maintenance Loading.
15	EXN15T6HCT	97.89%	6-2.5%2+4-	150	220	4.70%	39dB	193	17M
30	EXN30T6HCT	98.23%	6-2.5%2+4-	150	220	2.99%	39dB	361	18M
45	EXN45T6HCT	98.40%	6-2.5%2+4-	150	220	4.06%	39dB	369	19M
75	EXN75T6HCT	98.60%	6-2.5%2+4-	150	220	5.08%	44dB	529	20M
112.5	EXN112T6HCT	98.74%	6-2.5%2+4-	150	220	3.47%	44dB	730	21M
150	EXN150T6HCT	98.83%	6-2.5%2+4-	150	220	3.08%	44dB	1007	22M
225	EXN225T6HCT	98.94%	6-2.5%2+4-	150	220	3.2%	52 dB	1245	22M
225	EX225T6HCT	98.94%	6-2.5%2+4-	150	220	4.5%	52 dB	1820	25J
300	EX300T6HCT	99.02%	6-2.5%2+4-	150	220	5.2%	52 dB	1960	25J
500	EX500T63HCT	99.14%	4–2.5%2+2–	150	220	4.9%	57 dB	3090	30J

Energy Efficient Three-Phase Transformers (K-Rated)

EXN45T3H
K-Rated Three-Phase Transformer

DOE 2016 Energy Efficient K-Rated Three-Phase Transformers.

Square D offers Delta-Wye 30° Phase Shift transformers which reconfigure the harmonic models and mitigate the harmful effects of triplens.
Available with aluminum or copper windings and 150 °C or 115 °C Rise with 220 insulation class.
UL Listed with the following K-ratings to handle excess heat created by harmonic wave forms:
- K4
- K13

Refer to the following for additional information and selection.

note

Listed weights are not for construction. Contact your local Schneider Electric representative for certified prints.

EXN & EX Three Phase 60 Hz, 30° Phase Shift, 480 Delta to 208Y/120; UL Listed, K-RATED

kVA	Catalog No.	Minimum Efficiency @ 35% 75°C	Full Capacity Taps	Degree C Temp. Rise	Insulation Class	%IZ	Sound Level	Weight (lbs)	Enclosure ^[1]
480 Delta Primary, 208Y/120 Secondary, Aluminum Windings, 150°C Rise, 220C Insulation, K13 Listed
15	EXN15T3HNLP	97.89%	6–2.5%2+4–	150	220	4.51%	39 dB	195	17M
30	EXN30T3HNLP	98.23%				4.18%		336	18M
45	EXN45T3HNLP	98.40%				4.71%		400	19M
75	EXN75T3HNLP	98.60%				5.26%	44 dB	580	20M
112.5	EXN112T3HNLP	98.74%				3.70%		802	21M
150	EX150T3HNLP	98.83%				3.00%		1825	25J
225	EX225T3HNLP	98.94%				3.30%	49 dB	1975	25J
480 Delta Primary, 208Y/120 Secondary, Copper Windings, 150°C Rise, 220C Insulation, K13 Listed
15	EXN15T3HCUNLP	97.89%	6–2.5%2+4–	150	220	4.96%	39 dB	235	17M
30	EXN30T3HCUNLP	98.23%				3.06%		407	18M
45	EXN45T3HCUNLP	98.40%				4.41%		509	19M
75	EXN75T3HCUNLP	98.60%				5.56%	44 dB	700	20M
112.5	EXN112T3HCUNLP	98.74%				3.33%		1000	21M
150	EX150T3HCUNLP	98.83%				4.60%		1545	25J
225	EX225T3HCUNLP	98.94%				3.80%	49 dB	1975	25J
480 Vac Delta Primary, 208Y/120 Secondary, Aluminum Winding, K4
15	EXN15T3HNL	97.89%	6–2.5%2+4–	150	220	4.30%	39 dB	184	17M
30	EXN30T3HNL	98.23%				3.15%		324	18M
45	EXN45T3HNL	98.40%				4.13%		392	19M
75	EXN75T3HNL	98.60%				5.21%	44 dB	527	20M
112.5	EXN112T3HNL	98.74%				3.80%		713	21M
150	EXN150T3HNL	98.83%				3.37%		1012	22M
480 Vac Delta Primary, 208Y/120 Secondary, Copper Winding, K4
15	EXN15T3HCUNL	97.89%	6–2.5%2+4–	150	220	4.22%	39 dB	219	17M
30	EXN30T3HCUNL	98.23%				4.23%		358	18M
45	EXN45T3HCUNL	98.40%				3.95%		412	19M
75	EXN75T3HCUNL	98.60%				4.15%	44 dB	548	20M
112.5	EXN112T3HCUNL	98.74%				3.52%		899	21M
150	EXN150T3HCUNL	98.83%				4.35%		1303	22M

Section 14: Transformers

Section 14: Transformers

DOE 2016 Energy Efficient Three-Phase Transformers — EXN / EX

Energy Efficient Three-Phase Transformers

note

EXN & EX Three-Phase 60 Hz, 208Y/120 Vac Secondary; UL Listed

EXN & EX Three-Phase 60 Hz, 480Y/277 Vac Secondary; UL Listed

EXN & EX Three Phase 60 Hz, 240 Vac Delta Secondary; UL Listed

Energy Efficient Three-Phase Transformers (K-Rated)

note

EXN & EX Three Phase 60 Hz, 30° Phase Shift, 480 Delta to 208Y/120; UL Listed, K-RATED

Footnotes