ABB - Electrification TEYL2125B - 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. 125A 2POLE 65KA 480/277 CKT BKR
ABB - Electrification

TEYL2125B

UPC: 783164462500

Contact for Pricing

Overview

The ABB Electrification TEYL2125B is a high-performance, compact circuit breaker designed for robust protection on grounded 480Y/277 Vac systems. This 125A, 2-pole breaker boasts a significant 65kA interrupting rating, ensuring reliable safety and operational continuity in demanding industrial environments. Its one-inch wide per pole design offers exceptional space efficiency, while the "bolt-on" mounting base accessory provides versatile application flexibility, functioning effectively as a lug-lug breaker. Engineered for durability and user safety, all TEY circuit breakers incorporate advanced Quick-make / Quick-break mechanisms for swift and decisive fault interruption. Common trip bars and clearly visible trip indication further enhance operational safety and simplify troubleshooting. The TEYL series, including this 2-pole variant, offers optional accessories for 2 and 3-pole versions, such as auxiliary contacts, shunt trips, undervoltage releases, and bell alarms, allowing for tailored system integration and enhanced control capabilities. Manufactured in the USA, the TEYL2125B (SKU: TEYL2125B) represents ABB's commitment to quality and innovation in electrical protection.
  • 125A, 2-Pole, 480Y/277 Vac System Compatibility
  • 65kA Interrupting Capacity for robust protection
  • Compact, 1-inch wide per pole design for space savings
  • Bolt-on mounting base for versatile lug-lug applications
  • Quick-make / Quick-break mechanisms, common trip bars, and clear trip indication for safety and reliability

Specifications

Amperage Rating
125A
Application
Thermal Magnetic
Connection
#4-2/0
Frame
TEYL
Interrupt Rating
100kA@120/240 Vac,100kA@240 Vac,65kA@480Y/277 Vac, 42kA@125 Vdc,20kA@250 Vdc
Number Of Poles
2
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. 125A 2POLE 65KA 480/277 CKT BKR
Standard
E11592
Trip Range
Yes
Trip Range, Maximum
Yes
Trip Range, Minimum
Yes
Trip Type
LI
Package Dimensions (L x W x H)
5.375 IN x 2 IN x 3.5 IN
Package Dimensions (L x W x H)
13.6525 cm x 5.08 cm x 8.89 cm
Package Weight (Imperial)
2.450 L
Package Weight (Metric)
1.111 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.