ABB - Electrification U045F - Multiple disconnect devices are offered for heat pump applications that require individual disconnects for the heating and cooling cycles. All pullers are removable or reinstallable in the OFF position for user safety during equipment maintenance. Their UL listing includes the ability to field replace the 60 Ampere puller in the left fuse block with a 30 Ampere puller (FH35-2) for installation flexibility but prohibits the interchangeability of pullers between fuse blocks to insure the proper fuse/puller combination is always reinstalled into the proper fuse block.
ABB - Electrification

U045F

UPC: 784567561708

Contact for Pricing

Overview

The ABB U045F (SKU: U045F) is a UL-listed fusible AC disconnect switch specifically engineered for heat pump applications requiring independent power isolation for heating and cooling cycles. Manufactured by ABB - Electrification, this robust device prioritizes user safety with its removable or reinstallable pullers, designed to remain in the OFF position for secure equipment maintenance. Its UL listing also permits the field replacement of the standard 60 Ampere puller in the left fuse block with a 30 Ampere puller (model FH35-2), offering significant installation flexibility. To ensure system integrity and safety, the interchangeability of pullers between fuse blocks is strictly prohibited, guaranteeing that the correct fuse and puller combination is always reinstalled. Constructed with a durable steel enclosure rated NEMA 3R, the U045F is suitable for both indoor and outdoor installations, providing reliable protection against rain, snow, and dust ingress. Its compact dimensions of 7.5 inches in height, 5.19 inches in width, and 2.5 inches in depth make it an ideal choice for installations where space is at a premium. The U045F supports common fuse classes including H, K1, K5, K9, RK1, and RK5, with amperage ratings of either 30A or 60A. It is compatible with motors ranging from 3 to 10 HP. Adhering to UL869 Service Equipment standards, this fusible disconnect switch delivers dependable and compliant power isolation for commercial and industrial HVAC systems, particularly heat pumps. For further details on AC disconnects, refer to ABB catalog pages 4-7, and for fusible disconnect switches with flange handles, consult pages 9-35.
  • UL-listed fusible AC disconnect switch for heat pump applications
  • Individual disconnects for heating and cooling cycles
  • Removable/reinstallable pullers in OFF position for safety
  • Field-replaceable 60A puller with 30A FH35-2 option
  • NEMA 3R steel enclosure for indoor/outdoor use

Specifications

Enclosure
Metal
Package Dimensions (L x W x H)
18 IN x 9.5 IN x 6 IN
Package Dimensions (L x W x H)
45.72 cm x 24.13 cm x 15.24 cm
Package Weight (Imperial)
13.4650 L
Package Weight (Metric)
6.1077 kg
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NNC75X75WH2

The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.
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Frequently Asked Questions

What is the purpose of the removable pullers on the U045F disconnect?

The pullers are removable or reinstallable in the OFF position to ensure user safety during equipment maintenance by isolating power.

Can pullers be interchanged between fuse blocks on the U045F?

No, ABB prohibits the interchangeability of pullers between fuse blocks to ensure the proper fuse/puller combination is always reinstalled.

What is the NEMA rating of the U045F disconnect enclosure?

The U045F features a NEMA 3R-rated enclosure, providing protection against rain, snow, and dust for indoor and outdoor environments.

What are the dimensions of the ABB U045F disconnect?

The ABB U045F measures 7.5 inches in height, 5.19 inches in width, and 2.5 inches in depth.

What is the amperage rating of the U045F disconnect?

The U045F has an amperage rating of either 30 Ampere or 60 Ampere, with the 60A puller in the left fuse block being field replaceable with a 30A puller (FH35-2).

What fuse classes are compatible with the ABB U045F disconnect?

The U045F supports standard fuse classes including H, K1, K5, K9, RK1, and RK5.

What is the horsepower rating compatibility for the U045F?

The U045F is compatible with 3-10 HP motors.

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.