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125 KVA 12470V Medium Voltage Transformers ANSI IEEE Single Phase Pad Transformer

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125 KVA 12470V Medium Voltage Transformers ANSI IEEE Single Phase Pad Transformer

Name: 125 KVA 12470V Medium Voltage Transformers ANSI IEEE Single Phase Pad Transformer
Brand: Leilang Electric
Price: 1000 USD

Quality 125 KVA 12470V Medium Voltage Transformers ANSI IEEE Single Phase Pad Transformer for sale

Brand Name : Leilang Electric

Model Number : ZGD-125

Certification : UL/CUL,ISO

Place of Origin : CHINA

MOQ : 1unit

Price : $1000-$10000

Payment Terms : T/T

Supply Ability : Plywood case

Delivery Time : 30days

Packaging Details : 1000set/month

Transformer Type : Pad Mounted, Compartmental-Type II

Transformer Feed Type : Loop Feed

Phase : Single Phase(Connects to 3-Phase electrical grid)

Capacity : 125 kVA

Vector Group : II6

Primary Voltage : 12470GrdY/7200

Secondary Voltage : 240/120V (L-N-L)

Frequency : 60 Hz

Temperature Rise : 65°C

Insulation Rating : Class E Insulation - 120°C, 248°F

Cooling Class : KNAN; Self-Cooled

Efficiency Standard(s) : Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards

Winding Material : Copper

Ambient Temperature Rating : 40°C

Efficiency : 99.2%

Ambient Operating Temperature Range : -40°C to +40°C (-50°F to +104°F)

Sound Level : 55 dBA

K-Factor Rating (Harmonic Mitigation) : K-1 (Standard)

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125 kVA 12470V Single Phase Pad Transformer | ANSI/IEEE Certified, Fully Sealed

Product Overview

Leilang Electric 125 kVA single-phase pad-mounted transformer is a heavy-duty utility distribution solution engineered for 12470V grids, built to strict ANSI/IEEE C57 standards and featuring a fully sealed structure for maximum reliability and minimal maintenance. This unit safely steps down 12470GrdY/7200V primary voltage to standard 120/240V secondary power, with full compliance to North American utility codes, DOE 2016 efficiency, and CSA requirements. Its fully sealed oil compartment prevents dust, moisture, and contamination, ensuring stable performance in harsh outdoor environments. With UL/cUL certification, copper windings, and a compartmental-type II dead-front design, it delivers long service life, strong safety, and consistent power for residential, commercial, and industrial applications.

Key Specifications

Parameter	Value
Rated Capacity	125 kVA
Primary Voltage	12470GrdY/7200V
Secondary Voltage	120/240V (L-N-L)
Frequency	60 Hz
Structure	Pad Mounted, Compartmental-Type II
Sealing	Fully sealed oil system
Cooling	KNAN / ONAN Self-Cooled
Temperature Rise	65°C
Insulation Class	E (120°C)
Winding Material	Copper
Efficiency	99.10%
Sound Level	55 dBA
Feed Type	Loop Feed
Certifications	UL/cUL, ANSI/IEEE C57, CSA, DOE 2016
Operating Temp	-40°C to +40°C
Altitude	Up to 1000 m (3300 ft)
UL Certificate	UL-US-2564931-0
cUL Certificate	UL-CA-2548224-0

Core Features & Benefits

ANSI/IEEE Certified (Utility-Grade Standard)
- Fully complies with ANSI/IEEE C57.12.00, C57.12.28, C57.12.29
- UL/cUL listed for USA & Canada utility installation
- Meets DOE 2016 efficiency and CSA standards
- Factory tested to North American grid requirements
Fully Sealed Maintenance-Free Design
- 100% fully sealed oil compartment
- No oil leaks, no moisture ingress, no dust contamination
- Extends insulation and core lifespan
- Reduces inspection and maintenance cost
- Ideal for remote, unattended locations
12470V Grid Compatibility
- Optimized for North American 12.47kV distribution systems
- 5-position hot-stick tap changer for voltage regulation
- Supports loop feed and radial feed networks
- Stable output under fluctuating load
Dead-Front Safety & Durability
- Compartmental-Type II dead-front construction
- No exposed live parts for public safety
- Corrosion-resistant coated steel tank
- Stainless steel hardware & hinges
- Tamper-proof security locking system
High Efficiency & Reliability
- 99.10% high efficiency, low energy loss
- Copper windings for better conductivity and longevity
- Self-cooled – no fans, no failures
- Pressure relief valve, bayonet fuse, surge protection

Typical Applications

Residential communities & apartment complexes
Commercial plazas, retail, and small industry
Schools, hospitals, and public facilities
Rural electrification and remote power supply
12.47kV underground distribution networks
Utility, municipal, and engineering projects

125 KVA 12470V Medium Voltage Transformers ANSI IEEE Single Phase Pad Transformer

Frequently Asked Questions

Is this 125 kVA transformer ANSI/IEEE certified?

Yes. It is fully ANSI/IEEE C57 certified and UL/cUL listed, complying with all North American utility standards.

What does "fully sealed" mean for this transformer?

The oil compartment and internal components are completely sealed to prevent moisture, dust, and contamination. It greatly reduces maintenance and extends service life.

What voltage does it convert?

It steps 12470GrdY/7200V down to standard 120/240V for residential and commercial use.

Is it suitable for outdoor and harsh environments?

Yes. Its fully sealed, weatherproof, corrosion-resistant design works reliably outdoors in temperatures from -40°C to +40°C.

Does it require frequent maintenance?

No. The fully sealed structure minimizes maintenance; only annual visual inspections are needed.

What is the lead time and warranty?

Standard lead time is 15–25 business days. All Leilang Electric transformers include a 24-month warranty and professional technical support.

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