ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T51B0131 - ABB's Buck-boost transformers are small, single phase, dry type distribution transformers designed and shipped as insulating/isolating transformers. They have a dual voltage primary and a dual voltage secondary. These transformers can be connected for a wide range of voltage combinations. The most common use is to buck (lower) or boost (raise) the supply voltage a small amount, usually 5 to 27%. Buck boost transformers comply with NEC Article 210-9, Exception 1, when field connected as an autotransformer.
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ABB - Electrification

9T51B0131

UPC: 783173008676


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Specification Sheet

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Overview

ABB's Buck-Boost Transformer, SKU 9T51B0131, is a compact, single-phase, dry-type distribution transformer engineered for precise voltage adjustment in industrial and commercial settings. This unit features dual voltage primary and secondary windings, offering flexible configurations for a wide range of voltage requirements. With a kVA rating of 0.05, it operates on a 50/60 Hz frequency and accepts input voltages of 240 x 480 Volts, providing a stable output of 120/240 Volts. The transformer is specifically designed to buck (lower) or boost (raise) the supply voltage by a small, controlled amount, typically between 5% and 27%. This capability is crucial for optimizing the performance of sensitive electronic equipment and ensuring consistent operation of machinery. When field-connected as an autotransformer, this buck-boost transformer complies with NEC Article 210-9, Exception 1, facilitating code-compliant installations. The transformer's frame size is 6100, and it weighs a mere 6 lbs, making it easy to integrate into existing electrical panels or enclosures. Its dry-type insulation enhances safety and reliability in various operational environments. The wiring diagram number for this unit is 1. Manufactured in the USA, this transformer is an ideal solution for applications requiring stable input voltages, voltage correction for underperforming electrical systems, and integration into power distribution networks for enhanced efficiency and equipment longevity. It is designed and shipped as an insulating/isolating transformer, capable of supporting diverse voltage combinations through its dual-voltage primary and secondary configurations.
  • 0.05 kVA power rating for precise voltage adjustment
  • Dual voltage primary (240/480V) and secondary (120/240V) for flexible configurations
  • Single-phase, dry-type construction for reliability and safety
  • Designed to buck or boost voltage by 5-27%
  • Complies with NEC Article 210-9, Exception 1 (when field-connected as autotransformer)
  • Output Voltage: 120/240 Volts
  • Frequency: 50/60 Hz
  • Weight: 6 lbs
  • Compliance: NEC Article 210-9, Exception 1 (when field-connected as autotransformer)

Specifications

Connection Type
Field-connected as autotransformer
Enclosure
NEMA 3R
Frequency
50/60 Hz
Frequency Rating
60 HZ
Height
11.12 in
Input Voltage
120x240
Insulation
IS-12
Material
Dry-type
Output Voltage
16/32
Phase
1
Series
Buck-Boost
Size
Frame size 6100
Special Features
ABB's Buck-boost transformers are small, single phase, dry type distribution transformers designed and shipped as insulating/isolating transformers. They have a dual voltage primary and a dual voltage secondary. These transformers can be connected for a wide range of voltage combinations. The most common use is to buck (lower) or boost (raise) the supply voltage a small amount, usually 5 to 27%. Buck boost transformers comply with NEC Article 210-9, Exception 1, when field connected as an autotransformer.
Standard
Yes
Temperature Rating
40 °C
Voltage Rating
240/480V input, 120/240V output
Wattage
1.5 KVA
Width
9.38 in
Package Dimensions (L x W x H)
6.72 IN x 9.38 IN x 11.12 IN
Package Dimensions (L x W x H)
17.0688 cm x 23.8252 cm x 28.2448 cm
Package Weight (Imperial)
40.000 L
Package Weight (Metric)
18.144 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 is the input voltage range for the ABB 9T51B0131 transformer?

The ABB 9T51B0131 transformer accepts an input voltage of 240 x 480 Volts.

What is the output voltage provided by the 9T51B0131 transformer?

The ABB 9T51B0131 transformer provides an output voltage of 120/240 Volts.

What is the kVA rating of the ABB 9T51B0131 buck-boost transformer?

The ABB 9T51B0131 buck-boost transformer has a kVA rating of 0.05.

Does the 9T51B0131 transformer comply with NEC Article 210-9?

Yes, the ABB 9T51B0131 transformer complies with NEC Article 210-9, Exception 1, when field-connected as an autotransformer.

What is the typical voltage adjustment range for this buck-boost transformer?

This buck-boost transformer is designed to adjust the supply voltage by a small amount, usually 5 to 27%.

What type of insulation does the ABB 9T51B0131 transformer use?

The ABB 9T51B0131 transformer is a dry-type unit, offering reliable operation.

What is the frame size and weight of the 9T51B0131 transformer?

The ABB 9T51B0131 transformer has a frame size of 6100 and weighs 6 lbs.

What is the frequency range for the ABB 9T51B0131 transformer?

The ABB 9T51B0131 transformer operates on a frequency of 50/60 Hz.

Frequently Asked Questions about ABB - Electrification

What industries and applications are Jokab Safety products used for?

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