ABB - Electrification 9T33A2671 - ABB's 9T33 Single phase low-voltage dry type transformers are for balanced 3-wire 120/240 V secondary voltage systems having both NRCan (C802.2) and DOE (10 CFR 431, Subpart K) energy efficiency certification and compliance. UL and cUL listed to UL 1561 and CSA C22.2 No.47. Qualified to the seismic requirements of IEEE-693-2005 and the IBC-2021 and CBC 2022. The 9T33 transformers are also UL Energy Verified.
ABB - Electrification

9T33A2671

UPC: 783173365502

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Overview

The ABB 9T33 Single Phase Low-Voltage Dry Type Transformer (SKU: 9T33A2671) is engineered for reliable power conversion in balanced 3-wire 120/240V secondary voltage systems. This transformer meets stringent energy efficiency mandates, holding both NRCan (C802.2) and DOE (10 CFR 431, Subpart K) certifications and compliance. Safety and quality are assured with UL and cUL listing to UL 1561 and CSA C22.2 No.47 standards. Designed for resilience, the 9T33 series is qualified to withstand seismic events, meeting IEEE-693-2005, IBC-2021, and CBC 2022 requirements. It is also UL Energy Verified, confirming its commitment to efficient power distribution. Key features include a unique core and coil design utilizing grain-oriented, annealed silicon steel, and core/coil assemblies mounted on neoprene isolation pads for vibration dampening. Units up to 150 kVA typically include outward-facing feet for faster installation, easy front and back panel access for service, and included lug and ground kits. The transformer utilizes a copper coil construction. Ideal for industrial, commercial, and institutional facilities requiring dependable and compliant power transformation, the ABB 9T33 series provides peace of mind through its comprehensive certifications and proven performance in critical environments. Specific models available include: 0.25 kVA (277V input, 120/240V output, -2: 5.1% taps, 10 lbs), 1 kVA (277V input, 120/240V output, -2: 5.1% taps, 30 lbs; or 120x240V input, 120/240V output, No Taps, 25 lbs), 3 kVA (277V input, 120/240V output, -2: 5.1% taps, 55 lbs; or 120x240V input, 120/240V output, No Taps, 60 lbs), 5 kVA (480V input, 120/240V output, +2,-2: 2.5% taps, 103 lbs; or 277V input, 120/240V output, -2: 5.1% taps, 103 lbs), and 10 kVA (480V input, 120/240V output, -2: 4.9% taps, 198 lbs; or 277V input, 120/240V output, -2: 5.1% taps, 198 lbs). All models operate at 60 Hz.
  • NRCan (C802.2) and DOE (10 CFR 431, Subpart K) energy efficiency certified and compliant
  • UL and cUL listed to UL 1561 and CSA C22.2 No.47
  • Qualified to seismic requirements of IEEE-693-2005, IBC-2021, and CBC 2022
  • UL Energy Verified for efficient power distribution
  • Copper coil construction with grain-oriented, annealed silicon steel core

Specifications

Efficiency
DOE/NRC
Frequency Rating
60 HZ
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
60 Hz
Insulation
IS-19C
KVA Rating
25 KVA
Material
Copper coil, silicon steel, neoprene
Phase
1
Poles
3P
Poles
3-wire
Primary Voltage
240x480 V
Secondary Voltage
120/240 VAC
Series
9T33
Standard
Yes
Temperature Rating
40 °C
Temperature Rating, Maximum
104 F
Temperature Rating, Maximum
40 C
Temperature Rating, Minimum
104 F
Temperature Rating, Minimum
40 C
Voltage Rating
120/240 V
Package Dimensions (L x W x H)
18.4 IN x 23.8 IN x 32.1 IN
Package Dimensions (L x W x H)
46.736 cm x 60.452 cm x 81.534 cm
Package Weight (Imperial)
320.000 L
Package Weight (Metric)
145.152 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 energy efficiency certifications does the ABB 9T33 transformer hold?

The ABB 9T33 transformer holds both NRCan (C802.2) and DOE (10 CFR 431, Subpart K) energy efficiency certifications and compliance.

What safety and quality standards is the 9T33 transformer listed to?

The 9T33 transformer is UL and cUL listed to UL 1561 and CSA C22.2 No.47 standards.

Does the ABB 9T33 transformer meet seismic requirements?

Yes, the 9T33 transformer is qualified to the seismic requirements of IEEE-693-2005 and the IBC-2021 and CBC 2022.

What type of coil construction does the 9T33 transformer use?

The 9T33 transformer utilizes a copper coil construction.

What is the secondary voltage output of the 9T33 transformer?

The 9T33 transformer provides a balanced 3-wire 120/240 V secondary voltage.

What is the frequency rating for the ABB 9T33 transformer models?

All listed ABB 9T33 transformer models operate at a frequency of 60 Hz.

Frequently Asked Questions about ABB - Electrification

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ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

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