ABB - Electrification TEYH1020B - 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. TEYH 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. 20A 1POLE 35KA 480/277 CKT BKR
ABB - Electrification

TEYH1020B

UPC: 783164461879

Contact for Pricing

Overview

The ABB TEYH1020B is a single-pole, 20 ampere bolt-on circuit breaker designed for grounded 480Y/277 Vac systems. This compact breaker measures one inch wide per pole, optimizing panel space in lighting panelboards, HVAC systems, and HID lighting circuits. With a 35kA interrupting rating at 480/277 Vac, the TEYH1020B delivers reliable short-circuit protection for commercial buildings, industrial facilities, and data centers. Key features include a Quick-make/Quick-break mechanism for rapid fault interruption, common trip bars for enhanced safety, and highly visible trip indication for quick fault identification. The TEYH1020B is UL listed for HACR (Heating, Air Conditioning, Refrigeration) and HID (High Intensity Discharge) applications up to 50A, making it ideal for critical infrastructure. The bolt-on mounting base accessory (TEY3B) enables versatile lug-lug configurations, simplifying installation in varied applications. Designed for 60 Hz operation, the TEYH1020B supports solid or stranded wire from 14 to 10 AWG, ensuring compatibility with a wide range of conductors. Manufactured in the US, this breaker meets rigorous industry standards for reliability and durability. The TEYH1020B (SKU: TEYH1020B) is part of ABB's TEY family of compact, bolt-on circuit breakers, offering a space-efficient solution for modern electrical distribution systems. TEY breakers are typically installed within ABB A-Series Lighting Panelboards.
  • 20A single-pole bolt-on circuit breaker for 480Y/277V systems
  • 35kA interrupting rating at 480/277 Vac for reliable short-circuit protection
  • Compact 1" per pole design maximizes panel space in lighting panelboards
  • UL listed for HACR and HID applications up to 50A
  • Supports 14-10 AWG solid or stranded wire, 60 Hz operation
  • Bolt-on mounting base accessory (TEY3B) enables versatile lug-lug configurations
  • Supports solid or stranded wire from 14 to 10 AWG
  • Manufactured in the US for high reliability and durability

Specifications

Amperage Rating
20A
Application
Thermal Magnetic
Color
Blue
Connection
#14-#10
Connection Type
Lug-lug
Current Rating
20 A
Frame
TEYH
Frequency
60 Hz
Interrupt Rating
65kA@120 Vac, 65kA@120/240 Vac,35kA@277 Vac
Interrupting Rating
35 kA
Material
Poly
Mounting Type
Bolt-On
Number Of Poles
1
Poles
1P
Series
TEYH
Size
1 inch per pole
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. TEYH 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. 20A 1POLE 35KA 480/277 CKT BKR
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)
8.5 IN x 6 IN x 5.25 IN
Package Dimensions (L x W x H)
21.59 cm x 15.24 cm x 13.335 cm
Package Weight (Imperial)
2.200 L
Package Weight (Metric)
0.998 kg
Ground Lug

DNGL

Ground Lug
INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

83411621001

INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M
ZCT,LZR-030(V),EMPR,EXP

76512124011

ZCT,LZR-030(V),EMPR,EXP
JB5-2 2 POLE JUMPER 5.2MM SPACING

1SNK905302R0000

JB5-2 2 POLE JUMPER 5.2MM SPACING
JB5-5 5 POLE JUMPER 5.2MM SPACING

1SNK905305R0000

JB5-5 5 POLE JUMPER 5.2MM SPACING
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

Frequently Asked Questions

What is the interrupting rating of the TEYH1020B?

The TEYH1020B has a 35kA interrupting rating at 480/277 Vac, providing reliable short-circuit protection for electrical systems.

Is the TEYH1020B UL listed for specific applications?

Yes, the TEYH1020B is UL listed for HACR (Heating, Air Conditioning, Refrigeration) and HID (High Intensity Discharge) applications up to 50A.

What wire sizes are compatible with the TEYH1020B?

The TEYH1020B supports solid or stranded wire from 14 to 10 AWG, ensuring compatibility with a wide range of conductors.

What is the mounting type for the TEYH1020B?

The TEYH1020B uses a bolt-on mounting base accessory (TEY3B) for installation, enabling versatile lug-lug configurations.

What is the width of the TEYH1020B?

The TEYH1020B has a one-inch width per pole, making it a compact solution for panelboards and electrical distribution systems.

What is the operating frequency of the TEYH1020B?

The TEYH1020B operates at 60 Hz, suitable for most industrial and commercial electrical systems in North America.

Can the TEYH1020B be used in lighting panelboards?

Yes, the TEYH1020B is designed for use in lighting panelboards, including ABB A-Series panelboards, due to its compact size and reliable performance.

What accessories are available for the TEYH series?

The TEYH series breakers, including the TEYH1020B, can be ordered with auxiliary contacts, shunt trips, undervoltage releases, or bell alarms for enhanced functionality.

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.