Pole Mounted Distribution Transformer, 10/15/25/50/75/100 kVA

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Pole mounted distribution transformer is available in completely self-protected and conventional types, designed to ANSI C57.12.20 standards with CRGO or amorphous core and copper/aluminum windings. It supports 10/15/25/50/75/100 kVA capacity, customizable primary voltage (2400–19920 V) and secondary voltage (120–600 V). Widely used in utility, residential, and rural power distribution for reliable and efficient energy delivery.

Transformer Type *
Core *
Winding Material *
Taps *
Accessories *
Capacity *
Primary Voltage Rating *
Secondary Voltage Rating *
Required Certifications *

SKU: ATO-DT-CSPC

30-day Returns

Delivery date: 10-20 days

Overview

Note: Capacity, primary voltage, secondary voltage, and certification requirements are customizable. Please contact us for more details and pricing.

Pole mounted distribution transformer offered in completely self-protected and conventional types, with CRGO or amorphous core and copper/aluminum windings, supporting a capacity range of 10–100 kVA.

Specification

Applicable Standard	ANSIC57.12.20
Type	Completely Self Protected Type＆Conventional Type
Frequency	60Hz, 50Hz
Efficiency Standard	DOE 2016, CSA 802.1, TP1 etc
Core	C.R.G.O Core & Amorphous Core
Winding	Cu-Cu, Cu-Al, AI-AI
Taps	No taps, ±22.5%, +1, - 32.5%, 0, - 4*2.5% etc
Product scope	kVA: 5-167
Primary Voltage	2400-19920V
Secondary Voltage	120-600V

Technical Specifications

Completely Self Protected Type

Typical Losses and Efficiency (C.R.G.O Core)

Rating (kVA)	HV (kV)	Tap (%)	LV (V)	Loss (W)		Dimension (mm)					Weight (kg)
Rating (kVA)	HV (kV)	Tap (%)	LV (V)	No Load	Full Load	A	B	C	D	E	Oil Weight	Total Weight
15	7.2	±1/-3*2.5%	120–240	60	180	1040	530	770	410	286	45	175
25				100	300	1040	530	775	410	286	46	178
37.5				113	413	1100	580	830	460	286	59	247
50				150	500	1180	580	830	460	286	62	294
75				225	750	1290	616	880	496	591	84	372

15	19.92	±2*2.5%	120–240	58	185	1180	580	650	460	286	76	194
25				78	325	1155	580	660	460	286	75	217
37.5				100	480	1250	620	691	496	286	90	270
50				125	660	1235	645	725	524	286	109	308
75				165	900	1300	680	780	560	591	122	394

Typical Losses and Efficiency (Amorphous Core)

Rating (kVA)	HV (kV)	Tap (%)	LV (V)	Loss (W)		Dimension (mm)					Weight (kg)
Rating (kVA)	HV (kV)	Tap (%)	LV (V)	No Load	Full Load	A	B	C	D	E	Oil Weight	Total Weight
10	7.62	±2*2.5%	120–240	17	110	940	580	650	460	286	62	186
15				22	142	1020	580	650	460	286	64	220
25				33	210	1025	680	755	560	286	99	318
37.5				43	305	1060	730	805	610	286	120	393
50				50	410	1130	730	805	610	286	130	451
75				65	580	1280	780	875	660	591	154	560

10	19.92	±2*2.5%	120–240	12.5	260	1075	480	550	360	286	44	134
15				15.5	395	1085	500	580	380	286	44	150
25				24	500	1085	580	655	460	286	47	215
37.5				32	680	1245	580	655	460	286	69	282
50				38	800	1260	616	691	496	286	96	340
75				60	1030	1330	680	775	560	591	115	428

Conventional Type

Single phase pole mounted distribution transformer size

Typical Losses and Efficiency (C.R.G.O Core)

Rating (kVA)	HV (kV)	Tap (%)	LV (V)	Loss (W)		Dimension (mm)					Weight (kg)
Rating (kVA)	HV (kV)	Tap (%)	LV (V)	No Load	Full Load	A	B	C	D	E	Oil Weight	Total Weight
15	7.97	±1/-3*2.5%	120–240	55	140	1055	530	600	410	286	51	176
25				73	240	1085	580	660	460	286	68	231
37.5				101	331	1150	616	695	496	286	86	288
50				115	430	1155	645	725	524	286	96	337
75				152	600	1235	680	780	560	591	114	425
100				181	900	1240	730	860	610	591	144	504
167				266	1400	1450	900	950	660	591	197	753

15	19.92	+0/-4*2.5%	120–240	55	140	1125	580	650	460	286	72	210
25				73	240	1160	616	695	496	286	86	255
37.5				101	331	1235	645	720	524	286	104	311
50				115	430	1240	680	760	560	286	119	368
75				152	600	1305	730	830	610	591	148	485
100				181	900	1340	730	855	610	591	153	537
167				266	1400	1530	900	950	660	591	205	784

Typical Losses and Efficiency (Amorphous Core)

Rating (kVA)	HV (kV)	Tap (%)	LV (V)	Loss (W)		Dimension (mm)					Weight (kg)
Rating (kVA)	HV (kV)	Tap (%)	LV (V)	No Load	Full Load	A	B	C	D	E	Oil Weight	Total Weight
5	7.62	±2*2.5%	120–240	8	75	835	450	520	330	286	23	92
10				12	120	895	480	550	360	286	28	133
15				15	195	915	500	570	380	286	34	149
25				18	290	985	530	605	410	286	41	215
37.5				30	360	1015	580	655	460	286	52	270
50				32	500	995	645	720	524	286	66	318
75				45	650	1115	680	780	560	591	86	440
100				50	850	1110	730	860	610	591	93	560
167				65	1410	1215	925	950	660	591	114	846

10	14.4	±2*2.5%	120–240	12.5	260	1000	480	550	360	286	35	116
15				15.5	395	1020	480	550	360	286	35	129
25				24	500	1030	530	605	410	286	44	174
37.5				32	625	1080	580	650	460	286	59	231
50				38	800	1150	616	690	496	286	80	282
75				60	1000	1250	680	775	560	591	112	404

Two Type of Cores

Single phase pole mounted distribution transformer two core

Application

Pole mounted distribution transformer is suitable for rural electrification, residential power supply, agricultural applications, small commercial loads, light industrial use, and public infrastructure, providing stable and reliable power for households, farms, businesses, production equipment, schools, street lighting, parks, and municipal facilities.

Single phase pole mounted distribution transformer applications

Tips: What is the difference between completely self protected type and conventional type distribution transformer?

Completely self protected type distribution transformer includes built-in protective devices such as fuses, lightning arresters, and thermal protection for enhanced safety and fault protection, while conventional type does not include integrated protection and requires external protective equipment. Both types use CRGO or amorphous core with copper/aluminum windings and are designed for reliable pole-mounted power distribution.

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