ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T51B0174 - 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

9T51B0174

UPC: 783173155295


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Specification Sheet

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Overview

ABB's QB single-phase encapsulated transformers (SKU: 9T51B0174) are designed for general purpose power distribution in NEMA 3R weatherproof enclosures. These units feature encapsulated core and coils, providing robust protection against moisture, dust, and corrosion, ensuring reliable operation in outdoor or harsh indoor environments. The NEMA 3R enclosure is non-ventilated and suitable for applications requiring protection from falling rain and sleet. Key features include pilot device knockout holes on the enclosure for flexible conduit entry, facilitating installation in control panels and auxiliary power circuits. The QB series transformers are built with a focus on durability and ease of installation. The wiring compartment includes a ground stud for secure electrical grounding. Mounting holes are provided on the side for straightforward wall or panel mounting. ABB's encapsulated transformer technology eliminates the need for liquid cooling or ventilation, reducing maintenance requirements and operational costs. This makes the QB series a practical choice for facilities, OEMs, and system integrators requiring dependable power conversion in demanding conditions. The transformers meet electrical safety standards and are manufactured in the US.
  • Encapsulated core and coils for environmental protection
  • NEMA 3R non-ventilated weatherproof enclosure
  • Pilot device knockout holes for flexible conduit entry
  • Integrated wiring compartment with ground stud
  • Side mounting holes for easy installation

Specifications

Enclosure
NEMA 3R
Frequency Rating
60 HZ
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
60 Hz
Height
11.12 in
Input Voltage
240x480
Insulation
IS-12
Material
Encapsulated
Mounting Type
Side-mounted holes
Mounting Type
Side mounting with knockouts on back and bottom
NEMA Rating
NEMA 3R
Output Voltage
120/240
Phase
1
Series
QB
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
3 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)
60.000 L
Package Weight (Metric)
27.216 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 type of enclosure does the QB transformer use?

The QB transformer uses a NEMA 3R nonventilated weatherproof enclosure, providing protection against moisture, dust, and corrosion.

Where are the knockouts located on the QB transformer?

Knockouts are provided on the back and bottom of the QB transformer for flexible conduit entry options.

What is the purpose of the ground stud in the QB transformer?

The ground stud in the wiring compartment ensures secure grounding for compliance with electrical safety standards.

Can the QB transformer be installed outdoors?

Yes, the NEMA 3R enclosure allows the QB transformer to operate reliably in outdoor or harsh indoor environments.

What applications are suitable for the QB transformer?

The QB transformer is ideal for control panels, lighting systems, and auxiliary power circuits in industrial and commercial settings.

Does the QB transformer require ventilation?

No, the NEMA 3R nonventilated enclosure eliminates the need for ventilation, reducing maintenance requirements.

What mounting options are available for the QB transformer?

The QB transformer includes side-mounted holes for wall or panel mounting, simplifying installation in tight spaces.

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.