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TE Connectivity 1-1393249-1 - Circuit Breakers, Thermal, Series Trip, White, Operating Voltage 250 VAC, Operating Voltage 50 VDC, 2A Current Rating, 1 Pole, Potter & Brumfield W28

TE Connectivity 1-1393249-1 Circuit Breakers, Thermal, Series Trip, White, Operating Voltage 250 VAC, Operating…


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Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The TE Connectivity Potter & Brumfield W28 Series thermal circuit breaker (SKU: 1-1393249-1) delivers precise overcurrent protection for industrial and electrical systems operating at 250VAC or 50VDC. This single-pole, series-trip breaker features a 2A current rating and a compact white housing designed for high visibility and clean installation in control panels, electrical enclosures, and machinery. Engineered for reliability, the W28 series uses a thermal trip mechanism to interrupt circuits during overload conditions, preventing equipment damage and electrical hazards. Its robust construction ensures consistent performance in demanding industrial environments, including power distribution, control systems, and machinery requiring accurate current management. The breaker's 1-pole design simplifies integration into existing systems while maintaining compliance with general industrial standards (UNSPSC 39121601). With a voltage rating of 250VAC/50VDC and a 2A current rating, this thermal circuit breaker is ideal for applications where precise thermal protection is critical. The white housing enhances visibility in panel-mounted installations, reducing inspection time and improving maintenance efficiency. Compatible with Potter & Brumfield W28 series standards, this breaker is a trusted solution for engineers and technicians seeking dependable circuit protection without compromising on safety or durability.
  • Voltage Rating: 250VAC / 50VDC for versatile AC/DC applications
  • Current Rating: 2A for precise overcurrent protection
  • Series Trip Mechanism: Ensures consistent circuit interruption during overloads
  • 1-Pole Design: Compact and easy to integrate into control panels and enclosures
  • White Housing: High visibility for quick identification and maintenance
Copper One-Hole Lug, Standard Barrel Narrow Tongue, Peep Hole, Max 35kV, Wire Size #1 AWG, 1/4 Inch Bolt Size, Tin Plated, Die Code 37, Die Color Code Green

54108NT

Copper One-Hole Lug, Standard Barrel Narrow Tongue, Peep Hole, Max 35kV, Wire Size #1 AWG, 1/4 Inch Bolt Size, Tin Plated, Die Code 37, Die Color Code Green
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.
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
ZCT,LZR-030(V),EMPR,EXP

76512124011

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

83411621001

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

Frequently Asked Questions

What is the operating voltage and interrupt capacity?

The maximum operating voltages are 50VDC and 250VAC. The interrupt capacity is 2,000 amps at 50VDC and 1,000 amps at 250VAC.

What is the current rating range for this circuit breaker?

This circuit breaker has ratings from 0.5 amp to 30 amp.

What are the available termination options for this breaker?

The termination options are screw or .250” QC (quick connect).

Can this circuit breaker be manually tripped?

No, this circuit breaker cannot be manually tripped. It features a push-button reset.

How does ambient temperature affect the breaker's performance?

Ambient temperature affects the breaker's rating. A correction factor can be applied based on temperature to determine the compensated rating.

What agency approvals does the W58 Series have?

The W58 Series is UL 1077 Recognized and CSA Accepted as Supplementary Protectors.

What is the trip time for 145% overload on 5-30 Amp models?

For 5-30 Amp models, a 145% overload will cause a trip in 6.0-30 seconds.

What is the trip time for 145% overload on 1-4 Amp models?

For 1-4 Amp models, a 145% overload will cause a trip in 10-45 seconds.

What is the maximum resistance for a 10 amp rated breaker?

The maximum resistance for a 10 amp rated breaker is 0.014 Ohms.

What is the dielectric strength of the W58 Series breaker?

The dielectric strength is over 1,500 volts RMS.

Frequently Asked Questions about TE Connectivity

What technical support does TE Connectivity offer?

TE Connectivity offers comprehensive technical support through multiple channels, including a dedicated technical hotline at 1-800-777-3300. The company provides advanced technical support with 3 dedicated support centers, a global technical hotline network, and delivers over 8,000 hours of technical training annually to ensure certified expertise across 25+ languages.

What environmental ratings do TE Connectivity products have?

TE Connectivity products feature robust environmental ratings across multiple standards, including NEMA Type 1, 2, 3, 3R, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. Our enclosures are designed to withstand challenging industrial environments, with operating temperatures ranging from -40°C to 130°C, and include enhanced UV inhibitors for outdoor applications.

What certifications and standards do TE Connectivity products comply with?

TE Connectivity products meet rigorous international certifications and standards across industrial automation applications, including UL (United States), CSA (Canada), CE (European Community), and international safety standards. Our product lines are designed to comply with critical industrial certifications such as NEMA (Types 4, 4X, 6, 6P), IP ratings (IP65, IP66, IP67, IP69K), and industrial communication protocols including PROFINET, EtherNet/IP, and DeviceNet. We ensure comprehensive compliance through active participation in key industrial standards committees and maintaining ISO 9001 quality system certification.

What industries and applications are TE Connectivity products used for?

TE Connectivity products are engineered for critical industrial applications across multiple sectors, including industrial device manufacturing, automotive, robotics, food and beverage, material handling, alternative energy, and commercial vehicle industries. Their solutions span connectivity, power distribution, network communications, and sensor technologies that support complex industrial automation requirements, with a focus on robust connectivity solutions for challenging manufacturing environments.

What are the main product lines offered by TE Connectivity?

TE Connectivity offers a comprehensive range of industrial connectivity solutions including Cable Ties, Cable Cleats, Power Connectors, Grounding Connectors, Terminals, Safety Solutions, Identification Products, and Wiring Duct. Their product lines are designed for robust industrial applications, featuring various connection technologies like wave soldering, spring-cage connections, and mis-insertion protection across multiple electrical and connectivity categories.

What accessories are available for TE Connectivity products?

TE Connectivity offers a comprehensive range of communication and bus accessories for industrial automation systems, including communication terminal boards (CTB810, CTB811), bus extenders (horizontal and vertical models like cHBX01L/R, HBX01L/R, VBX01T/B), and bus terminators (TER800, TER810). These accessories are designed to enhance connectivity, power distribution, and communication capabilities for HN800 and CW800 controller systems, with options for left/right side mounting, power connections, and network termination.

How are TE Connectivity products typically installed?

TE Connectivity products are typically installed through professional commissioning services that include site audits, precise wiring verification, and both remote and on-site installation support. Our expert service engineers conduct comprehensive installation processes involving system verification, programming, communication testing, and personnel training to ensure optimal performance and reliability of the equipment.