Pole Mounted Distribution Transformer, CRGO/Amorphous Core

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Pole mounted distribution transformer built to ANSI C57.12.20, featuring CRGO or amorphous cores, Cu-Cu/Cu-Al/ AI-AI windings, and DOE 2016/CSA 802.1 efficiency compliance. Available from 5–167 kVA with customizable capacity, primary voltage (2400–19920 V), secondary voltage (120–600 V), and certification requirements to support reliable power delivery across utility, commercial, and rural electrification projects.

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

SKU: ATO-DT-CA

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.

The completely self-protected pole mounted distribution transformer improves power distribution efficiency through reduced line losses, enhanced voltage quality, and energy-saving core technology. Its compact pole-mounted design, strong overload capacity, and low-maintenance construction ensure cost-effective operation in utility and rural power networks.

Specification

Applicable Standard	ANSIC57.12.20
Type	Completely Self Protected 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

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	7.2	±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

Feature

Integrated Self-Protection Design: The completely self-protected single-phase pole-mounted distribution transformer is designed with integrated lightning, overload, and short-circuit protection, ensuring reliable power distribution, enhanced system safety, and reduced downtime.
High-Voltage Porcelain Bushings: Equipped with cover-mounted high-voltage bushings and eye-bolt terminals for secure conductor connections and dependable outdoor performance.
Self-Sealing Pressure Relief Valve: The pole mounted distribution transformer automatically relieves excessive internal pressure, enhancing operational safety and extending transformer service life.
ANSI-Compliant Heavy-Duty Construction: Hot-rolled steel mounting brackets and rugged tank construction ensure reliable pole installation and compliance with ANSI standards.
Advanced Sealing System: A one-piece fastening ring, precision-formed cover, and high-quality gasket provide excellent moisture resistance and long-term sealing performance.
Utility-Grade Components: ATO single phase pole mounted distribution transformer features lightning arresters, grounding provisions, low-voltage bushings, lifting lugs, and integrated protective devices for safe and efficient power distribution in residential, commercial, and rural networks.

Two Type of Cores

Pole mounted distribution transformer two core

Accessories

Pole mounted distribution transformer accessories

A: Secondary circuit breaker with overload signal light

B: Primary fuse

C: Primary heavy duty surge arrester

D: Secondary surge arrester (customized)

Application

Pole mounted distribution transformer is ideal for rural villages, residential communities, agricultural operations, small businesses, light industrial facilities, and public infrastructure, providing reliable and stable power for homes, farms, commercial activities, production equipment, schools, street lighting, parks, and municipal services.

Pole mounted distribution transformer applications

Tips: What is a CSP pole-mounted distribution transformer?

A completely self protected (CSP) pole-mounted distribution transformer is an outdoor transformer that steps down medium or high voltage electricity to low voltage levels while integrating built-in protection functions such as overload, short-circuit, and lightning surge protection.

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