ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T51B0171 - ABB's QB single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.
ABB - Electrification

9T51B0171

UPC: 783173010587

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Specification Sheet

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Overview

The ABB QB single phase transformer (SKU 9T51B0171) is an encapsulated type transformer designed for general purpose single-phase applications. Manufactured by ABB - Electrification, this unit features a NEMA 3R non-ventilated, weatherproof enclosure, providing protection against environmental elements such as rain, snow, dust, and sleet. The core and coils are fully encapsulated in a resin compound, ensuring enhanced durability and resistance to moisture, dust, and corrosive atmospheres. This transformer is suitable for outdoor installations and applications requiring robust protection against harsh conditions. The NEMA 3R enclosure is equipped with knockouts on the back and bottom for versatile conduit entry options, allowing for flexible wiring configurations. Mounting holes on the side facilitate easy installation and secure attachment to walls or other structures. The wiring compartment includes a ground stud for safe and reliable electrical connections. This transformer is built to the specifications of ABB's QB series, known for reliable power distribution in commercial, industrial, and utility applications. Applications include general power distribution, lighting circuits, and motor control where a stable single-phase power source is necessary. The NEMA 3R enclosure ensures suitability for outdoor use, minimizing maintenance requirements and extending operational life. The encapsulated design eliminates the need for liquid insulation, enhancing safety. The compact footprint and robust construction make it ideal for installations where space and reliability are critical factors. This unit is manufactured in the US.
  • Encapsulated core and coils for enhanced durability and moisture resistance.
  • NEMA 3R non-ventilated, weatherproof enclosure suitable for outdoor installations.
  • Knockouts provided on back and bottom for versatile conduit entry.
  • Mounting holes on side for easy installation.
  • Wiring compartment includes ground stud for safe electrical connections.

Specifications

Connection Type
Conduit Entry (Knockouts)
Connection Type
Ground Stud
Enclosure
NEMA 3R
Frequency Rating
50 HZ
Frequency Rating, Maximum
50 Hz
Frequency Rating, Minimum
50 Hz
Height
11.12 in
Input Voltage
380/400/416
Insulation
IS-12
Material
Resin (Encapsulated)
Material
Encapsulated Core & Coils
Mounting Type
Side mounting holes
Mounting Type
Side Mounting
NEMA Rating
NEMA 3R
Output Voltage
120/240
Phase
1
Poles
Single Phase
Series
QB
Special Features
ABB's QB single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.
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
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
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ABB's QB single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.
ABB's Servicenter™ Single-Phase Integral Transformer and load center system comes equipped with an encapsulated transformer wired into rightly sized circuit breakers for both the primary and secondary transformer windings. Qualified to the seismic requirements of IEEE-693-2005 and IBC-2021 and CBC 2022. Accessible mounting flanges with keyhole slotted mounting holes to make installation easy. NEMA 3R painted enclosure. Clear, comprehensive documentation and labeling. The Servicenter system is UL Listed and is suitable for use service equipment with a 10 kAIC short circuit current rating. The load center portion of this system is ready to accept the ABB THQL plug-on circuit breakers.

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ABB's Servicenter™ Single-Phase Integral Transformer and load center system comes equipped with an encapsulated transformer wired into rightly sized circuit breakers for both the primary and secondary transformer windings. Qualified to the seismic requirements of IEEE-693-2005 and IBC-2021 and CBC 2022. Accessible mounting flanges with keyhole slotted mounting holes to make installation easy. NEMA 3R painted enclosure. Clear, comprehensive documentation and labeling. The Servicenter system is UL Listed and is suitable for use service equipment with a 10 kAIC short circuit current rating. The load center portion of this system is ready to accept the ABB THQL plug-on circuit breakers.

Frequently Asked Questions

What types of single-phase transformers are available?

ABB offers single-phase transformers in 15 kVA, 25 kVA, 37.5 kVA, and 50 kVA ratings.

What is the enclosure type for these transformers?

The transformers feature a NEMA R non-ventilated, weatherproof enclosure.

What materials are the coils made of?

The coils are constructed from copper (CU).

What is the frequency rating for the transformer?

The transformer operates at a frequency of 60 Hz.

Are knockouts provided for installation?

Yes, knockouts are provided on the back and bottom of the enclosure.

Are there mounting holes for easy access?

Yes, mounting holes are located on the side for easy access.

Does the wiring compartment include a ground stud?

Yes, the wiring compartment includes a ground stud.

What is the insulation system class?

The insulation system class is 220 degrees C.

What is the UL classification for these transformers?

These transformers have a UL classification of Yes.

What is the CU classification for these transformers?

These transformers have a CU classification of Yes.

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.