ABB - Electrification TEYL3050B - The TEY is a one-inch wide per pole, compact, "bolt-on" circuit breaker for use on grounded 480Y/277 Vac systems. The bolt-on mounting base accessory makes the TEY suitable for varied applications as a lug-lug breaker. All TEY circuit breakers feature Quick-make / Quick-break mechanisms, common trip bars, and easy to spot trip indication to ensure safety and reliability. TEYL breakers are available in 1, 2, and 3 pole versions 2&3 pole versions can be ordered with auxiliary contact, shunt trip, undervoltage release, or bell alarm accessories. TEYX CIRCUIT BREAKER 3P 50A
ABB - Electrification

TEYL3050B

UPC: 783164462586

Contact for Pricing

Overview

The ABB TEYX 3-Pole Circuit Breaker (SKU: TEYL3050B) is a compact, 1-inch wide per pole, bolt-on thermal-magnetic circuit breaker engineered for reliable protection on grounded 480Y/277 Vac systems. Its versatile bolt-on mounting base accessory enables seamless integration into varied applications, functioning effectively as a lug-lug breaker. Engineered for safety and operational integrity, all TEY circuit breakers incorporate robust Quick-make / Quick-break mechanisms, ensuring rapid and decisive circuit interruption. Common trip bars provide unified protection across all poles, while easily identifiable trip indication offers clear visual confirmation of fault events. TEYL breakers are available in 1, 2, and 3-pole configurations. The 2 and 3-pole versions offer enhanced functionality with optional accessories, including auxiliary contacts for remote signaling, shunt trip units for remote tripping, undervoltage releases for protection against voltage fluctuations, and bell alarm accessories for audible fault notification. This 50 Amp, 3-pole model is ideal for demanding industrial and commercial power distribution applications where dependable circuit protection is paramount. Manufactured in the USA, the TEYX series embodies ABB's commitment to quality and performance in electrical safety.
  • Compact 1-inch wide per pole design
  • Bolt-on mounting for versatile lug-lug applications
  • Quick-make / Quick-break mechanisms ensure safety
  • Common trip bars for unified pole protection
  • Easy-to-spot trip indication for clear fault identification

Specifications

Amperage Rating
50A
Application
Thermal Magnetic
Connection
#10-#4
Connection Type
Lug-lug
Current Rating
50 A
Frame
TEYL
Interrupt Rating
100kA@120/240 Vac,100kA@240 Vac,65kA@480Y/277 Vac, 42kA@125 Vdc,35kA@250 Vdc
Mounting Type
Bolt-On
Number Of Poles
3
Poles
3P
Series
TEY
Special Features
The TEY is a one-inch wide per pole, compact, "bolt-on" circuit breaker for use on grounded 480Y/277 Vac systems. The bolt-on mounting base accessory makes the TEY suitable for varied applications as a lug-lug breaker. All TEY circuit breakers feature Quick-make / Quick-break mechanisms, common trip bars, and easy to spot trip indication to ensure safety and reliability. TEYL breakers are available in 1, 2, and 3 pole versions 2&3 pole versions can be ordered with auxiliary contact, shunt trip, undervoltage release, or bell alarm accessories. TEYX CIRCUIT BREAKER 3P 50A
Standard
E11592
Trip Range
Yes
Trip Range, Maximum
Yes
Trip Range, Minimum
Yes
Trip Type
LI
Voltage Rating
480Y/277 VAC
Package Dimensions (L x W x H)
5.375 IN x 3 IN x 3.5 IN
Package Dimensions (L x W x H)
13.6525 cm x 7.62 cm x 8.89 cm
Package Weight (Imperial)
3.250 L
Package Weight (Metric)
1.474 kg

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Frequently Asked Questions about ABB - Electrification

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.

What environmental ratings do ABB - Electrification products have?

ABB - Electrification products feature robust environmental ratings across multiple standards, including IP54 to IP66 protection levels and NEMA Type 1 to Type 4X enclosures. These ratings ensure equipment can withstand challenging industrial environments, providing dust-tight, water-resistant, and corrosion-resistant protection for indoor and outdoor applications.

What accessories are available for ABB - Electrification products?

ABB - Electrification offers a comprehensive range of accessories across multiple product lines, including auxiliary contact blocks, signaling contacts, shunt trips, undervoltage releases, electronic timers, interlocks, interface relays, mounting pieces, terminal blocks, and connection accessories. These accessories are designed to enhance functionality, improve connectivity, and provide additional protection for industrial control systems, with many accessories being compatible with SMISSLINE TP plug-in distribution systems and Unifix AD busbar systems.

How are ABB - Electrification products typically installed?

ABB - Electrification products are installed through a professional, systematic process that includes precise equipment verification, secure electrical connections, and comprehensive testing. Installation typically involves verifying foundation requirements, assembling equipment, connecting busbars and control cables, establishing earthing systems, and conducting thorough pre-commissioning and commissioning tests to ensure optimal performance, reliability, and safety.

What is ABB - Electrification's warranty policy?

ABB - Electrification offers a standard 1-year factory warranty for most electrification products, with options to extend warranty coverage up to 5 years for specific product lines like low voltage circuit breakers. Extended warranty requires online registration through ABB's Extended Warranty Tool, which verifies the product application and provides additional coverage for manufacturing defects and factory-mounted accessories.