ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T10A1001G33 - ABB's Guard I&trade, Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.
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ABB - Electrification

9T10A1001G33

UPC: 783173904343

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Overview

ABB's Guard I™ Noise Isolation Transformer (SKU: 9T10A1001G33) is engineered to provide robust protection against electrical noise disturbances. This 3-phase, 480V, 750kVA unit effectively suppresses both common mode noise, often caused by electromagnetic interference (EMI), radio frequency interference (RFI), and ground loops, and transverse mode noise. By isolating the neutral and ground conductors, the Guard I™ creates a dedicated barrier, preventing disruptive noise signals from impacting sensitive electronic equipment and ensuring stable power quality. Key applications for the Guard I™ transformer include data centers, critical care facilities, office buildings, and lighting circuits where uninterrupted and clean power is paramount. The transformer is designed for ease of installation with accessible mounting feet. For environments requiring enhanced protection, optional NEMA 3R rain shield kits are available for outdoor installations. Users can select between aluminum (AL) and copper (CU) windings to best suit specific system requirements. The standard enclosure meets NEMA 2 standards and incorporates electrostatic shielding for superior noise attenuation. By mitigating noise-induced malfunctions, the Guard I™ transformer significantly improves equipment reliability, extends the operational lifespan of components, and guarantees stable power delivery for critical automation systems and sensitive electronics. This transformer serves as a direct and reliable solution for power quality issues stemming from ground loops or EMI/RFI interference, safeguarding operational integrity.
  • Mitigates common mode and transverse mode noise
  • 750kVA, 3-phase, 480V primary voltage
  • Accessible mounting feet for simplified installation
  • NEMA 2 enclosure with electrostatic shielding
  • Available with Aluminum (AL) or Copper (CU) windings

Specifications

Application
Electrical distribution and Control
Efficiency
DOE 2016
Frequency Rating
60 HZ
KVA Rating
15 KVA
Phase
3
Primary Voltage
480 VAC
Secondary Voltage
208Y/120
Special Features
ABB's Guard I™ Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.
Temperature Rating
40 °C
Type
Transformers
Package Dimensions (L x W x H)
29 IN x 24 IN x 35 IN
Package Dimensions (L x W x H)
73.66 cm x 60.96 cm x 88.9 cm
Package Weight (Imperial)
231.000 L
Package Weight (Metric)
104.782 kg
ABB's Guard I&trade, Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.

9T10C1004G33

ABB's Guard I&trade, Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.
600V Class Three Phased DOE2016 and NRCan 2019 Compliant Energy Efficient Drive Isolation Transformer 63kVA 480D-480Y/277 V AL 60Hz 3R

TE3A0063KK

600V Class Three Phased DOE2016 and NRCan 2019 Compliant Energy Efficient Drive Isolation Transformer 63kVA 480D-480Y/277 V AL 60Hz 3R
Drive Isolation Transformer, 145 kVA, Drive Horse Power 125, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT651H145S

Drive Isolation Transformer, 145 kVA, Drive Horse Power 125, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
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.

9T10A1005G34

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.
ABB's Guard I&trade, Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.

9T10A1003G63

ABB's Guard I&trade, Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.
ABB's Guard I&trade, Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.

9T10A1005G03

ABB's Guard I&trade, Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.
This ABB General purpose transformer includes an electrostatic shield.

9T10A1178G03

This ABB General purpose transformer includes an electrostatic shield.
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.

9T10A1006G04

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.

Frequently Asked Questions

What types of electrical noise does the Guard I transformer mitigate?

The ABB Guard I™ transformer provides protection against common mode noise, caused by EMI, RFI, and ground loops, as well as transverse mode noise.

What are the key applications for the Guard I transformer?

Key applications include data centers, critical care facilities, office buildings, and lighting circuits where clean and uninterrupted power is essential.

What is the primary voltage rating of this transformer?

The primary voltage rating for this ABB Guard I™ transformer is 480V.

What kVA rating does the Guard I transformer have?

The Guard I™ transformer has a maximum kVA rating of 750kVA.

Are there options for the transformer windings?

Yes, the windings are available in both Aluminum (AL) and Copper (CU) to match system requirements.

What is the phase configuration of the Guard I transformer?

The ABB Guard I™ Noise Isolation Transformer is a 3-phase unit.

Does the transformer enclosure offer protection against the elements?

The standard enclosure is NEMA 2 rated. An optional NEMA 3R rain shield kit is available for outdoor use.

Frequently Asked Questions about ABB - Electrification

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Jokab Safety products are specifically designed for machine safety applications across multiple critical industrial sectors, including Food and Beverage, Packaging, and Material Handling industries. Their safety solutions cover a wide range of machine safeguarding needs, such as safety light guards, safety controllers, safety relays, safety edges, safety mats, and two-hand control devices that protect personnel and equipment in complex industrial automation environments.

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What certifications and standards do ABB - Electrification products comply with?

ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

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