Authorized TE Connectivity Distributor
TE Connectivity 2-1393250-7 - Circuit Breakers, Thermal, Series Trip, Black, Operating Voltage 250 VAC, Operating Voltage 32 VDC, 12A Current Rating, 1 Pole, Potter & Brumfield W28

TE Connectivity 2-1393250-7 Circuit Breakers, Thermal, Series Trip, Black, Operating Voltage 250 VAC, Operating…


Documents & Media
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 2-1393250-7 is a single-pole thermal circuit breaker, part of the established Potter & Brumfield W28 series. This specific unit is engineered to deliver robust overcurrent protection, featuring a precise 12A current rating. Its versatile design accommodates operation across a wide voltage range, supporting up to 250 VAC for AC applications and up to 32 VDC for DC applications. The core of its protective functionality lies in its thermal trip mechanism, which is specifically designed to provide accurate and consistent safeguarding against electrical overloads, thereby enhancing the overall safety and integrity of connected electrical systems. Encased in a durable and compact black housing, this circuit breaker is well-suited for a variety of demanding industrial and commercial environments. Its applications span across critical areas such as control panels, power supply units, and various types of industrial machinery where reliable circuit protection is paramount. Manufactured in the United States, this TE Connectivity circuit breaker, identified by SKU 2-1393250-7, is built to ensure dependable performance and extended longevity, making it a reliable choice for even the most demanding electrical system requirements. The UNSPSC Code for this product is 39121601.
  • 1-Pole Thermal Circuit Breaker
  • 12A Current Rating
  • 250 VAC / 32 VDC Operating Voltage
  • Potter & Brumfield W28 Series
  • Black Housing, Compact Design

Specifications

Color
Black
Current Rating
12 A
Material
Thermal Circuit Breaker
Poles
1 pole
Series
Potter & Brumfield W28
Voltage Rating
250 VAC / 32 VDC
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 are the maximum operating voltages for this circuit breaker?

The maximum operating voltages are 32VDC and 250VAC at 50/60Hz.

What is the interrupt capacity of the W28 series circuit breaker?

The interrupt capacity is 1,000 amps at 250VAC, 50/60Hz, and 32VDC.

What type of terminals does this circuit breaker use?

It uses .250" (6.35mm) quick connect terminals, and soldering is not recommended.

How does the push-to-reset function work?

The breaker features a push-to-reset button that extends for visual trip indication.

How is the breaker calibrated for tripping at 135% of rating?

For 3-20 amp models, it may trip between 101% and 134%, but must trip at 135% within one hour at +25°C.

What is the reset time for 3-20 amp models?

The reset time for 3-20 amp models is a maximum of 30 seconds.

Are there any VDE approvals for 20 amp W28 models?

No, 20 amp W28 models do not have VDE approvals at present.

What is the resettable overload capacity for 0.25-2 amp models?

The resettable overload capacity for 0.25-2 amp models is six times the rated current.

What is the typical resistance for a 5 amp rated breaker?

The typical resistance for a 5 amp rated breaker is 0.030 Ohms at 25°C.

What panel thickness is recommended for mounting?

For Style Q, panel thickness is recommended between .032" - .062" and for Style T, between .075" - .105".

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.