ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T10A1009G02 - ABB's Low-Noise Low-Voltage General Purpose Dry-Type transformers also come in variants that allow for lower than standard (NEMA ST-20) audible noise levels and are UL Listed. Ideally suited for installations where a transformers inherent audible noise needs to be as low as possible. They are availabel with either a -3dB or -5dB levels of noise reduction. Our Type QL & QF low-noise transformers meet DOE 2016 efficiency standards and are UL Energy Verified as energy efficient. They are available with aluminum or copper windings and in all three temperature rise ratings. Core and coil assemblies are mounted on rubber isolation pads to reduce noise. Single-piece front/back is easily removable for installation and service.Qualified to the seismic requirements of IEEE-693-2005 and IBC-2021 and CBC 2022.
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ABB - Electrification

9T10A1009G02

UPC: 783173901519


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Specification Sheet

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Overview

ABB's 9T10A1009G02 Low-Noise Low-Voltage General Purpose Dry-Type Transformer is engineered for installations where minimal audible noise is critical. This UL Listed transformer meets DOE 2016 efficiency standards and is UL Energy Verified, ensuring energy-efficient operation. Available with aluminum or copper windings and three temperature rise ratings (80°C, 115°C, 150°C), it delivers flexibility for diverse applications. The core and coil assembly is mounted on rubber isolation pads to reduce noise, achieving -3dB or -5dB below NEMA ST-20 standards. The single-piece front/back panel is easily removable for quick installation and service access. Qualified to seismic requirements of IEEE-693-2005, IBC-2021, and CBC 2022, this transformer is ideal for commercial, industrial, and institutional environments. Input voltage is 480V Delta, output is 208Y/120V, with taps of +2/-4 (2.5%). Approximate net weight is 2900 lbs. Features include outward-facing feet for faster installation, lifting eyes for safe handling, and optional rain shield kits for outdoor protection. The transformer is designed for reliability and longevity, with grain-oriented, annealed (non-aging) silicon steel cores to minimize vibration and noise. Suitable for applications requiring low noise levels, such as data centers, hospitals, schools, and office buildings.
  • 500kVA capacity with 480V Delta primary to 208Y/120V secondary
  • UL Listed and DOE 2016 compliant with energy-efficient operation
  • Low-noise design (-3dB or -5dB below NEMA ST-20 standards)
  • Available with aluminum or copper windings and three temperature rise ratings (80°C, 115°C, 150°C)
  • Seismic-qualified to IEEE-693-2005, IBC-2021, and CBC 2022

Specifications

Efficiency
DOE 2016
Frequency Rating
60 HZ
KVA Rating
500 KVA
Material
Dry-Type Transformer
Nema Rating
NEMA ST-20
Phase
3
Primary Voltage
480 VAC
Secondary Voltage
208Y/120
Series
Type QL & QF
Special Features
ABB's Type QL transformers meet DOE 2016 efficiency standards. They are available with aluminum or copper windings and utilize a UL recognized 220 degree centrigrade insulation system-Quiet Performance-Outward-facing mounting feet-Core and coil assemblies are mounted on rubber isolation pads to reduce noise-Bolted coil terminations-Single-piece front/back is easily removable for service-NEMA 2 drip-proof enclosure is standard weathershield kits are available for conversion to NEMA 3R outdoor configuration--Copper or aluminum windings-Copper ground strap-Robust packaging with top and side protection protects against shipping damage-Accessible mounting flanges with front/back slotted mounting holes make installation easier-100 percentage factory tested for shorts and coil integrity, current and loss, voltage, impedance and noise.-Clear, comprehensive documentation and labeling.
Temperature Rating
40 °C
Package Dimensions (L x W x H)
37 IN x 50.1 IN x 65.7 IN
Package Dimensions (L x W x H)
93.98 cm x 127.254 cm x 166.878 cm
Package Weight (Imperial)
2900.000 L
Package Weight (Metric)
1315.440 kg
A - 15.0 kV bushing

015J0400AN

A - 15.0 kV bushing
O Plus C - 34.5 kV bushing

034Z3000AW

O Plus C - 34.5 kV bushing

Frequently Asked Questions

What are the noise reduction levels available?

The transformer is available with -3dB or -5dB noise reduction below NEMA ST-20 standards.

What temperature rise ratings are offered?

The transformer is available in 80°C, 115°C, and 150°C temperature rise ratings.

Is this transformer UL Listed?

Yes, the 9T10A1009G02 is UL Listed and meets DOE 2016 efficiency standards.

What are the primary and secondary voltages?

The primary voltage is 480V Delta, and the secondary voltage is 208Y/120V.

What seismic standards does this transformer meet?

The transformer is qualified to IEEE-693-2005, IBC-2021, and CBC 2022 seismic requirements.

What winding materials are available?

The transformer is available with either aluminum or copper windings.

What is the approximate weight of the transformer?

The approximate net weight of the transformer is 2900 lbs.

Does this transformer include installation features?

Yes, it features outward-facing feet for faster installation, lifting eyes for safe handling, and a removable front/back panel for service access.

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