ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T51B0124 - 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.
ABB - Electrification

9T51B0124

UPC: 783173008751


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Specification Sheet

Contact for Pricing

Overview

ABB's 9T51B0124 Buck-boost transformer is a compact, single-phase, dry-type distribution transformer engineered for versatile voltage adjustment. Shipped as an insulating/isolating transformer, it features a dual-voltage primary and a dual-voltage secondary, enabling a broad spectrum of voltage configurations. Its primary application is to precisely adjust supply voltage, either lowering (bucking) or raising (boosting) it by a typical range of 5% to 27%. This capability is crucial for applications requiring tight voltage tolerances or for compensating for voltage drop in long runs. When field-connected as an autotransformer, these units meet the stringent requirements of NEC Article 210-9, Exception 1, ensuring code compliance for various electrical installations. The robust dry-type construction offers enhanced safety and reliability in diverse industrial environments. ABB's commitment to quality ensures durable performance and efficient operation for critical power conditioning needs. Ideal for motor control, lighting systems, and other sensitive equipment requiring stable voltage. This specific unit, part of ABB's Electrification line, is designed for reliable operation and meets UL and CSA standards. It features an insulation system of 105°C and a temperature rise of 55°C, ensuring safe operation under load. The transformer includes primary and secondary fuse holders for added protection, with 2 primary fuses and 1 secondary fuse. Its dual voltage primary (240 x 480 Volts) and dual voltage secondary (120 / 240 Volts) provide flexibility for various power distribution needs. With a kVA rating of 25 and a product net weight of 510 lbs, it is built for substantial industrial applications. The taps available are (+2,-4; 2.5% or 2.3% or 2.30%), offering precise voltage adjustment capabilities.
  • Single-phase, dry-type buck-boost transformer
  • Dual voltage primary (240 x 480 Volts) and secondary (120 / 240 Volts)
  • Adjusts voltage by 5-27% (buck or boost)
  • Complies with NEC Article 210-9, Exception 1 when field-connected as autotransformer
  • UL and CSA certified with 105°C insulation system and 55°C temperature rise

Specifications

Connection Type
Dual Voltage Primary and Secondary
Enclosure
NEMA 3R
Frequency Rating
60 HZ
Height
6.38 in
Input Voltage
120x240
Insulation
CLASSA
Material
Dry type
Output Voltage
16/32
Phase
1
Poles
Single Phase
Series
Buck-Boost Transformer
Size
Small
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
Wattage
0.1 KVA
Width
5.12 IN
Package Dimensions (L x W x H)
3.25 IN x 5.12 IN x 6.38 IN
Package Dimensions (L x W x H)
8.255 cm x 13.0048 cm x 16.2052 cm
Package Weight (Imperial)
6.000 L
Package Weight (Metric)
2.722 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 primary voltage range for the ABB 9T51B0124 transformer?

The ABB 9T51B0124 transformer has a dual voltage primary of 240 x 480 Volts.

What is the secondary voltage output of this buck-boost transformer?

The secondary voltage output for the ABB 9T51B0124 is 120 / 240 Volts.

What is the kVA rating of the ABB 9T51B0124 transformer?

The ABB 9T51B0124 buck-boost transformer has a kVA rating of 25.

Does this transformer meet National Electrical Code (NEC) requirements?

Yes, the ABB 9T51B0124 buck-boost 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?

The ABB 9T51B0124 transformer is typically used to buck (lower) or boost (raise) the supply voltage by 5% to 27%.

What are the available tap settings for voltage adjustment?

The available taps for the ABB 9T51B0124 transformer are (+2,-4; 2.5%) or (+2,-4; 2.3%) or (+2,-4; 2.30%).

What are the safety certifications for this ABB transformer?

The ABB 9T51B0124 transformer is UL and CSA certified.

What is the insulation system temperature rating?

This transformer features an insulation system rated at 105°C.

What is the temperature rise specification for this unit?

The temperature rise for the ABB 9T51B0124 transformer is 55°C.

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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ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.

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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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