ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T51B0550 - 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

9T51B0550

UPC: 783173036877


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Specification Sheet

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Overview

ABB's QB single-phase transformer, SKU 9T51B0550, offers robust power conversion for general-purpose industrial applications. This unit features an encapsulated core and coils, providing superior protection against moisture, dust, and corrosive elements, making it ideal for exposed or outdoor installations. The transformer is housed in a durable NEMA 3R non-ventilated weatherproof enclosure, ensuring reliable operation in harsh conditions. Its encapsulated design minimizes maintenance requirements and enhances safety by isolating live components. Designed for applications such as HVAC systems, lighting circuits, motor control, and power distribution, the QB transformer ensures consistent voltage regulation. The NEMA 3R enclosure is built for weather resistance, and includes knockouts on the back and bottom for flexible conduit entry, simplifying installation. Mounting holes are provided on the side for easy access and secure attachment to walls or panels. The wiring compartment includes a ground stud for streamlined electrical connections and safety compliance. This ABB transformer is constructed to meet stringent industrial standards, combining durable build with advanced design for dependable performance. The non-ventilated enclosure prevents ingress of contaminants, contributing to reduced downtime and operational costs. Trust ABB Electrification for reliable transformer solutions.
  • Encapsulated core and coils for enhanced protection
  • NEMA 3R non-ventilated weatherproof enclosure
  • Knockouts provided on back and bottom for flexible conduit entry
  • Side mounting holes for easy installation
  • Wiring compartment includes ground stud for safety

Specifications

Enclosure
NEMA 3R
Frequency Rating
50 HZ
Frequency Rating, Maximum
50 Hz
Frequency Rating, Minimum
50 Hz
Height
9.62 in
Input Voltage
480 VAC
Insulation
IS-12
Output Voltage
120/240
Phase
1
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 KVA
Width
7.88 in
Package Dimensions (L x W x H)
5.5 IN x 7.88 IN x 9.62 IN
Package Dimensions (L x W x H)
13.97 cm x 20.0152 cm x 24.4348 cm
Package Weight (Imperial)
30.000 L
Package Weight (Metric)
13.608 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 applications is the QB transformer suitable for?

The QB transformer is designed for general-purpose single-phase applications including HVAC systems, lighting circuits, motor control, and power distribution.

What type of enclosure does the QB transformer use?

The QB transformer uses a NEMA 3R non-ventilated weatherproof enclosure, suitable for outdoor and exposed installations.

Are knockouts provided for conduit entry?

Yes, knockouts are provided on both the back and bottom of the enclosure for flexible conduit entry options.

Can the QB transformer be mounted on a wall?

Yes, integrated mounting holes on the side of the enclosure allow for secure side mounting to walls or panels.

Is a ground stud included in the wiring compartment?

Yes, the wiring compartment includes a ground stud to simplify electrical connections and enhance safety.

Is the QB transformer suitable for outdoor use?

Yes, the NEMA 3R enclosure is designed for outdoor and exposed installations, providing weather resistance.

Does the QB transformer require ventilation?

No, the QB transformer features a non-ventilated NEMA 3R enclosure, preventing contamination ingress and eliminating the need for ventilation.

What protection does the encapsulated design provide?

The encapsulated core and coils protect against moisture, dust, and corrosive elements, reducing maintenance and improving longevity.

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.