Contact for Pricing
Overview
- Single-phase, dry-type distribution transformer with dual-voltage primary (240/480V) and secondary (120/240V)
- Field-connectable as autotransformer for 5-27% voltage adjustment (buck or boost)
- 105°C insulation system, 55°C temperature rise, UL and CSA certified
- Compact, lightweight design ideal for retrofits, machine tools, and remote installations
- Eliminates oil-related hazards; suitable for indoor/outdoor use
Specifications
Connection Type | Field-connectable as autotransformer |
Connection Type | Field-connectable autotransformer |
Enclosure | NEMA 3R |
Frequency | 50/60 Hz |
Frequency | 60 Hz |
Frequency Rating | 60 HZ |
Frequency Rating, Maximum | 60 Hz |
Frequency Rating, Minimum | 60 Hz |
Height | 9.62 in |
Input Voltage | 240 VAC |
Insulation | IS-12 |
Material | Dry-type |
Material | Dry-type insulation |
Output Voltage | 120 |
Phase | 1 |
Poles | Single-Phase |
Series | Buck-Boost |
Size | Compact |
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 |
Temperature Rating, Maximum | 104 F |
Temperature Rating, Maximum | 40 C |
Temperature Rating, Minimum | 104 F |
Temperature Rating, Minimum | 40 C |
Wattage | 1.5 KVA |
Width | 7.88 in |
Package Dimensions (L x W x H) | 11.25 IN x 10.75 IN x 9 IN |
Package Dimensions (L x W x H) | 28.575 cm x 27.305 cm x 22.86 cm |
Package Weight (Imperial) | 25.000 L |
Package Weight (Metric) | 11.340 kg |
Frequently Asked Questions
What is the primary function of an ABB buck-boost transformer?
The primary function is to precisely adjust (buck or boost) the supply voltage by a small amount, typically 5% to 27%, to optimize equipment performance.
What NEC article does this buck-boost transformer comply with?
This buck-boost transformer complies with NEC Article 210-9, Exception 1, when field-connected as an autotransformer.
What type of construction does the ABB 9T51B0139 transformer have?
The ABB 9T51B0139 transformer features a dry-type construction, eliminating oil-related hazards and maintenance.
Can this transformer be used for both increasing and decreasing voltage?
Yes, this transformer can be connected to either buck (lower) or boost (raise) the supply voltage.
What are the typical voltage adjustment ranges for this transformer?
The most common use is to buck or boost the supply voltage a small amount, usually between 5% to 27%.
What certifications does the ABB 9T51B0139 transformer hold?
This transformer is UL and CSA certified, ensuring compliance with safety standards.
What is the insulation system rating for this transformer?
The transformer has a 105°C insulation system.
What is the temperature rise rating for this transformer?
The transformer has a temperature rise of 55°C.
Frequently Asked Questions about ABB - Electrification
What industries and applications are Jokab Safety products used for?
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.
What technical support does Jokab Safety offer?
Jokab Safety offers comprehensive technical support through multiple channels, including a dedicated technical support phone line at (888) 385-1221 (Option 1) and email support at [email protected]. For advanced technical assistance, customers can contact their specialized Jokab Tech Support at (519) 982-0976 or email [email protected]. Additionally, they provide product specialist support through Jeff Leslie, who can be reached at (519) 982-0976, offering in-depth application and technical guidance.
What are the main product lines offered by Jokab Safety?
Jokab Safety offers a comprehensive range of machine safety products including safety light guards (Orion), safety controllers (Pluto), safety relays (Sentry), safety edges, safety contact mats, safety locks (Gkey), and safety sensors with OSSD and DYNlink interfaces. Their product lines are specifically designed for industrial applications in food and beverage, packaging, and material handling industries, providing robust safety solutions for machine guarding and personnel protection.
What are the key features of Jokab Safety products?
Jokab Safety products offer comprehensive industrial safety solutions with key features including: highest safety certification levels (up to PL e/Cat 4), extensive fault detection, multiple safety device types (optical safety devices, pressure sensitive devices, sensors, switches, locks, emergency stops), and innovative DYNlink technology that reduces cable requirements and simplifies installation. Their products are certified, verified, and compatible with major industrial automation systems like B&R, featuring easy M12 connector connections and a wide range of adapters to streamline safety implementation.
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.
What industries and applications are ABB - Electrification products used for?
ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.
What technical support does ABB - Electrification offer?
ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.
What are the main product lines offered by ABB - Electrification?
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.
What are the key features of ABB - Electrification products?
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.
What communication protocols do ABB - Electrification products support?
ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.