Specifications
Brand Name :
Leilang Electric
Model Number :
ZGS-300
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
Transformer Configuration :
Liquid Filled Pad Mounted
Transformer Feed Type :
Radial Feed
Phase :
Three Phase
Capacity :
300 KVA
Primary Voltage :
2400V
Secondary Voltage :
480Y/277
Secondary BIL :
30 KV
Frequency :
60 Hz
Temperature Rise :
65°C
Insulation Rating :
Class E Insulation - 120°C, 248°F
Efficiency Standard(s) :
Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards
K-Factor Rating (Harmonic Mitigation) :
K-1 (Standard)
Winding Material :
Copper
Ambient Temperature Rating :
40°C
Efficiency % :
99.00%
Description
2400V/480V 300kVA Three Phase Pad Mounted Transformer - Low Noise for Residential
Product Overview

Leilang Electric 300kVA 2400V to 480Y/277V three phase pad mounted transformer is purpose-built for residential communities, urban neighborhoods, and quiet-required commercial areas. This model features a precision-engineered low-noise structure that delivers ultra-quiet operation, making it ideal for installation close to homes and public spaces. With stable 2400V primary to 480V secondary conversion, fully sealed oil-immersed design, and compliance with North American ANSI/IEEE/UL standards, it provides safe, reliable, and neighborhood-friendly power distribution. Engineered for long service life and minimal maintenance, it combines professional voltage conversion with ultra-low noise performance to perfectly balance power supply quality and living environment comfort.

2400V 480V Three Phase Pad Mount Transformer 300kVA Low Noise For Residential

Key Features & Benefits
  • Ultra-Low Noise – Ideal for Residential Areas
    • Optimized core & winding structure to reduce vibration noise
    • Quiet operation suitable for residential, parks, schools, and communities
    • No disturbance to daily life, meeting strict neighborhood noise requirements
  • Stable 2400V to 480Y/277V Voltage Conversion
    • Professional 2400V primary / 480Y/277V secondary configuration
    • Dyn1 vector group ensures stable output & neutral point stability
    • Strong adaptability to unbalanced loads, no voltage drift
  • High Efficiency 99.0% – DOE 2016 Compliant
    • Up to 99.0% efficiency with low no-load & load loss
    • Meets DOE 2016 energy-saving standards
    • Reduces power waste & long-term operating costs
  • UL / ANSI / IEEE Certified Quality
    • UL/cUL listed for North American market access
    • Full compliance with ANSI C57.12.34 and IEEE standards
    • Copper windings & high-quality silicon steel core
    • 65°C temperature rise, ONAN self-cooled system
  • Fully Sealed & Outdoor Durable
    • Hermetically sealed oil tank to prevent moisture & oxidation
    • Corrosion-resistant coated steel housing
    • All-weather outdoor design, no need for extra fencing
    • Built-in pressure relief valve & safety protection
Technical Specifications
Item Value
Brand Leilang Electric
Type Three Phase Pad Mounted Transformer
Rated Capacity 300 kVA
Primary Voltage 2400V
Secondary Voltage 480Y/277V
Frequency 60 Hz
Vector Group Dyn1
Efficiency 99.0%
Cooling ONAN (Self-Cooled)
Temperature Rise 65°C
No-Load Loss 480 W
Load Loss 3650 W
Winding Material Copper
Core Grain-Oriented Silicon Steel
Insulation Oil Mineral Oil (Non-PCB)
Feed Type Loop / Radial Feed
HV BIL 95 kV
LV BIL 30 kV
Certifications UL/cUL, ANSI C57, IEEE, DOE 2016, CE, ISO
Warranty 24 Months from B/L Date
MOQ 1 Unit
Lead Time 15–25 days
Applications
  • Residential communities & urban neighborhoods
  • Commercial buildings near living areas
  • Schools, hospitals, parks, and public facilities
  • Small industrial & light commercial power supply
  • Underground power distribution networks
  • Renewable energy & energy storage systems
2400V 480V Three Phase Pad Mount Transformer 300kVA Low Noise For Residential 2400V 480V Three Phase Pad Mount Transformer 300kVA Low Noise For Residential
Frequently Asked Questions
Q: Is this 300kVA transformer really low noise and suitable for residential areas?
A: Yes. Leilang Electric 300kVA pad mounted transformer uses low-vibration core and optimized structure for ultra-quiet operation, making it perfect for residential communities and noise-sensitive areas.
Q: What is the voltage ratio of this transformer?
A: It is professionally designed as 2400V primary to 480Y/277V secondary, widely used in North American distribution systems.
Q: Is this transformer certified for use in North America?
A: Yes. It is UL/cUL listed and fully compliant with ANSI C57 and IEEE standards, legal for installation in the US and Canada.
Q: What is the efficiency level?
A: This model reaches 99.0% efficiency and meets DOE 2016 energy efficiency requirements, saving energy and reducing operating costs.
Q: Can it be installed outdoors without a fence?
A: Yes. It features a fully sealed, fully insulated, grounded metal enclosure that meets outdoor safety standards; generally no extra fence is required.
Q: Can you accept 1-unit sample orders?
A: Yes, our MOQ is 1 unit for standard models, supporting sample testing and small projects.
Q: Is customization available?
A: Yes, we support OEM/ODM including voltage ratio, color, logo, tap changer, and monitoring functions.
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2400V 480V Three Phase Pad Mount Transformer 300kVA Low Noise For Residential

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Brand Name :
Leilang Electric
Model Number :
ZGS-300
Certification :
UL/CUL,ISO
Place of Origin :
CHINA
MOQ :
1unit
Price :
$1000-$10000
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2400V 480V Three Phase Pad Mount Transformer 300kVA Low Noise For Residential
2400V 480V Three Phase Pad Mount Transformer 300kVA Low Noise For Residential
2400V 480V Three Phase Pad Mount Transformer 300kVA Low Noise For Residential
2400V 480V Three Phase Pad Mount Transformer 300kVA Low Noise For Residential

Leilang Electric Group CO.,LTD

Verified Supplier
1 Years
shanghai, shanghai
Since 2007
Business Type :
Manufacturer
Total Annual :
100000000-100000000
Employee Number :
120~150
Certification Level :
Verified Supplier
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