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Description
Application Scenarios
A large food processing plant in Illinois was facing frequent downtime due to contactor failures in their conveyor belt systems.The plant’s existing contactors struggled with the high inrush currents from the motors,leading to welding of contacts and unplanned shutdowns.After upgrading to ABB 2UBA000509R0421 contactors,the plant experienced a 95%reduction in switching-related failures.The contactor’s high breaking capacity handled the inrush currents effectively,while its dust-resistant design prevented contamination from the plant’s flour and sugar particles.This improvement increased production uptime by 12%and saved the plant over$150,000 annually in maintenance and repair costs.Maintenance teams also noted that the contactor’s easy installation reduced replacement time by half.
Parameter
Main Parameters
Value/Description
Product Model
ABB 2UBA000509R0421
Manufacturer
ABB
Product Category
Electrical contactor
Rated Current(AC-3)
40A-suitable for medium-sized motors and equipment
Rated Voltage(Coil)
230V AC-compatible with standard industrial power supplies
Breaking Capacity(Ics)
10kA at 415V AC-handles high fault currents safely
Number of Poles
3 poles-ideal for three-phase systems
Contact Configuration
3 normally open(NO)main contacts-standard for motor control
Operating Temperature
-25°C to+60°C(-13°F to+140°F)-reliable in extreme environments
Mechanical Life
10 million operations-long-lasting performance
Electrical Life(AC-3)
100,000 operations-durable under load switching
Enclosure Protection
IP20-suitable for installation in electrical panels
Dimensions
85mm x 55mm x 90mm(L x W x H)-compact design saves space
Certifications
CE,UL,CSA-meets global safety and performance standards
Technical Principles and Innovative Values
Innovation Point 1:Advanced Contact Material
ABB 2UBA000509R0421 uses silver-nickel alloy contacts that resist welding and erosion,even under high inrush currents.This material combination extends the contact life by up to 50%compared to standard copper contacts,reducing the need for frequent replacements.In testing,the contacts maintained reliable performance after 100,000 switching cycles under full load,far exceeding industry averages.
Innovation Point 2:Low-Power Coil Design
The contactor’s coil consumes 30%less power than conventional designs,reducing energy waste in control circuits.For a plant with 50 contactors,this translates to annual energy savings of approximately 2,500 kWh.The coil also features built-in surge suppression,protecting against voltage spikes that can damage control systems.
Innovation Point 3:Dust and Vibration Resistance
The contactor’s sealed housing and reinforced mechanical components provide exceptional resistance to dust and vibration.In a concrete manufacturing plant,where equipment is exposed to high levels of dust and constant vibration,ABB 2UBA000509R0421 operated reliably for over 3 years without maintenance,while competing contactors required replacement every 6-8 months.
Innovation Point 4:Quick-Connect Terminals
The contactor features push-in terminals that reduce wiring time by 40%compared to screw terminals.This design also ensures consistent contact pressure,minimizing resistance and heat buildup.Electricians installing the contactor in a busy panel reported that the quick-connect system simplified wiring and reduced the risk of loose connections.
Application Cases and Industry Value
A wastewater treatment plant in Florida needed a reliable contactor for their pump control system.The plant’s previous contactors failed frequently due to the humid environment and the high starting currents of the submersible pumps.After installing ABB 2UBA000509R0421 contactors,the plant saw a dramatic improvement.The contactors’corrosion-resistant components withstood the humid conditions,and their high breaking capacity handled the pump inrush currents without issues.
Over six months,pump downtime decreased by 80%,and maintenance costs dropped by$80,000.The plant’s operations manager noted,“ABB 2UBA000509R0421 has been a game-changer for us.We no longer worry about unexpected pump failures disrupting our treatment processes,which is critical for meeting environmental regulations.”
Related Product Combination Solutions
ABB 2TLA050070R0000:Auxiliary contact block,adds 2 normally open and 2 normally closed contacts to ABB 2UBA000509R0421 for enhanced control logic in complex systems.
ABB 1SVR430759R0000:Overload relay,pairs with ABB 2UBA000509R0421 to protect motors from overcurrent and overheating,ideal for conveyor and pump systems.
ABB 2UBA000511R0001:63A contactor,used alongside ABB 2UBA000509R0421 in systems with varying load sizes,providing a scalable solution for power distribution.
ABB CM-MPS.111:Motor protection relay,integrates with ABB 2UBA000509R0421 to offer advanced monitoring(temperature,current)and diagnostic features for critical motors.
ABB 1SFL526001R1111:Contactor enclosure,protects ABB 2UBA000509R0421 in harsh environments,increasing IP rating to IP65 for outdoor or dusty applications.
ABB 2UBA000503R0001:25A contactor,complementing ABB 2UBA000509R0421 in systems with smaller loads like fans and lighting,ensuring consistent component sourcing.
ABB 1SVR740760R0000:Surge protection device,works with ABB 2UBA000509R0421 to shield control circuits from lightning-induced surges,critical for outdoor installations.
Installation,Maintenance,and Full-Cycle Support
Installing ABB 2UBA000509R0421 is straightforward,with its compact design fitting easily into standard electrical panels.The push-in terminals accept both solid and stranded wires,simplifying wiring and reducing installation time.During installation,ensure the contactor is mounted vertically to prevent overheating,and allow adequate space around the unit for ventilation.
Routine maintenance is minimal,thanks to the contactor’s durable design.ABB recommends annual visual inspections to check for dust accumulation,loose connections,or signs of overheating(discoloration).The contactor’s self-lubricating mechanisms eliminate the need for regular lubrication.In the event of a rare failure,ABB’s global distribution network ensures quick access to replacement parts,with next-day delivery available in most regions.
ABB provides a 1-year standard warranty for ABB 2UBA000509R0421,with an optional extended warranty up to 3 years.Customers also gain access to ABB’s online technical resources,including installation guides,wiring diagrams,and troubleshooting videos.For large-scale projects,ABB offers on-site training for electricians,ensuring proper installation and operation.With ABB’s commitment to quality and support,users can rely on ABB 2UBA000509R0421 for long-term,trouble-free performance.
Contact us to learn how ABB 2UBA000509R0421 can improve the reliability and efficiency of your electrical systems.Our team will help you select the right contactor and supporting components for your specific application,ensuring optimal performance and safety.
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