ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T51B0430 - 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

9T51B0430

UPC: 783173064849

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Specification Sheet

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Overview

The ABB Buck-Boost Transformer, SKU 9T51B0430, is a compact, single-phase, dry-type distribution transformer engineered for precise voltage adjustment in industrial and commercial settings. This versatile unit functions as both an insulating and isolating transformer, featuring dual-voltage primary and secondary windings that allow for a broad spectrum of voltage combinations. Its primary application is to precisely buck (lower) or boost (raise) the supply voltage by a small, controlled amount, typically between 5% and 27%, ensuring optimal equipment performance and protecting sensitive loads from voltage fluctuations. When field-connected as an autotransformer, this ABB transformer complies with NEC Article 210-9, Exception 1, simplifying installation and ensuring code adherence. Constructed for reliability, its dry-type design minimizes maintenance requirements and enhances operational longevity, even in challenging environments. The transformer is UL Listed and CSA Certified, guaranteeing safety and adherence to stringent industry standards. Common applications include fine-tuning supply voltages for manufacturing equipment to match nameplate ratings, stabilizing voltage for HVAC systems, lighting, and control panels, supporting renewable energy systems by compensating for voltage drops, and enhancing power quality in critical infrastructure like data centers. Manufactured in the US, the ABB Buck-Boost Transformer (SKU: 9T51B0430) offers a durable, cost-effective, and versatile solution for voltage regulation needs in demanding industrial applications. Specific models within the ABB Buck-Boost transformer line include the 9T51B0548 (0.5 kVA, 480V Primary, 120/240V Secondary, with -2: 5.0% taps, 20 lbs) and the 9T51B0568 (0.5 kVA, 600V Primary, 120/240V Secondary, with -2: 5.0% taps, 20 lbs). Other models like the 9T51B0502 (0.05 kVA, 240x480V Primary, 120/240V Secondary, 6 lbs) and 9T51B0002 (0.05 kVA, 240x480V/480V Primary, 120/240V Secondary, 6 lbs) offer lower kVA ratings for specific needs.
  • Precisely adjusts supply voltage by 5-27% to optimize equipment performance.
  • Dual-voltage primary and secondary windings for flexible voltage combinations.
  • Compact, dry-type construction for reliable, low-maintenance operation.
  • Complies with NEC Article 210-9, Exception 1 when field-connected as an autotransformer.
  • UL Listed and CSA Certified for safety and reliability in industrial environments.

Specifications

Connection Type
Dual-voltage primary and secondary
Connection Type
Field-connected as autotransformer
Enclosure
NEMA 3R
Frequency Rating
50 HZ
Height
11.12 in
Input Voltage
120x240
Insulation
IS-12
Material
Dry-type
Material
Dry-type (insulating/isolating)
Mounting Type
Indoor/Outdoor
Output Voltage
16/32
Phase
1
Poles
1
Poles
Single-Phase
Series
Buck-Boost
Series
Buck-Boost Transformers
Size
11.13" (H) x 9.38" (W) x 6.75" (D)
Size
Compact
Standard
Yes
Temperature Rating
40 °C
Wattage
1 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
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.

9T51B0810

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.
Buck Boost Transformers, 0.75 KVA, Maximum Secondary Amperage: 62.5 at 12V, 31.2 at 24V, 120 x 240 Volt Primary, 12/24 Volt Secondary

HS19F750B

Buck Boost Transformers, 0.75 KVA, Maximum Secondary Amperage: 62.5 at 12V, 31.2 at 24V, 120 x 240 Volt Primary, 12/24 Volt Secondary
600V Class Commercial Encapsulated Single Phase Buck-Boost/Isolation Transformer, 120x240 PV, 16x32 SV, 2000 VA

Q002ESCF

600V Class Commercial Encapsulated Single Phase Buck-Boost/Isolation Transformer, 120x240 PV, 16x32 SV, 2000 VA
0.25 kVA Buck-Boost Transformer

213-BBT-025-002

0.25 kVA Buck-Boost Transformer
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.

9T51B0802

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'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.

9T51B0137

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.
1.0 kVA Buck-Boost Transformer

213-BBT-10-005

1.0 kVA Buck-Boost Transformer
5.0 kVA Buck-Boost Transformer

213-BBT-50-009

5.0 kVA Buck-Boost Transformer

Frequently Asked Questions

What is the typical voltage adjustment range for this transformer?

The most common use is to buck or boost the supply voltage a small amount, usually between 5% to 27%.

Is this transformer suitable for industrial applications?

Yes, it is designed for precise voltage regulation in industrial and commercial applications, with UL Listing and CSA Certification.

What is the primary function of an ABB buck-boost transformer?

The primary function is to precisely buck (lower) or boost (raise) the supply voltage by a small amount, typically 5% to 27%, to optimize equipment performance.

Does this transformer comply with NEC Article 210-9?

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

What types of voltage combinations can this transformer support?

The transformer features dual-voltage primary and secondary windings, allowing for a wide range of voltage combinations to be connected.

What are the benefits of the dry-type construction?

The dry-type construction requires minimal maintenance and is reliable in harsh environments, enhancing operational longevity.

What input and output voltages are available for ABB buck-boost transformers?

Available input voltages include 480 Volts and 600 Volts, with dual voltage options like 240 x 480 Volts. Output voltages are typically 120/240 Volts.

What is the kVA rating of the 9T51B0430 model?

The provided catalog information does not specify the kVA for SKU 9T51B0430. However, other models like 9T51B0548 and 9T51B0568 are 0.5 kVA, and 9T51B0502 and 9T51B0002 are 0.05 kVA.

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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 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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