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TE Connectivity 1393255-8 - Circuit Breakers, Magnetic, Series Trip, Black, Operating Voltage 277 VAC, 30A Current Rating, 3 Pole, Potter & Brumfield W9

TE Connectivity 1393255-8 Circuit Breakers, Magnetic, Series Trip, Black, Operating Voltage 277 VAC, 30A Current…


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 1393255-8 is a 3-pole magnetic circuit breaker from the Potter & Brumfield W9 series, engineered for precise overcurrent protection in industrial and commercial electrical systems. Rated for 277VAC operating voltage and 30A current, this breaker delivers fast magnetic trip response to interrupt fault currents and safeguard downstream equipment. Its compact black housing is built for durability in demanding environments, meeting stringent performance standards for reliability and safety. Designed for three-phase systems, the 1393255-8 supports balanced load distribution in applications such as motor control panels, HVAC systems, and distribution boards. The 3-pole configuration ensures comprehensive protection across all phases, reducing the risk of equipment damage during overcurrent events. With a proven Potter & Brumfield W9 series design, this breaker offers consistent performance with minimal maintenance, minimizing downtime in critical operations. The magnetic trip mechanism ensures rapid response to fault conditions, enhancing system safety and operational efficiency. Trusted by professionals for its dependable operation, this circuit breaker is a reliable choice for three-phase electrical protection in industrial settings.
  • 3-pole magnetic circuit breaker for three-phase systems
  • Rated 277VAC operating voltage and 30A current
  • Fast magnetic trip response for fault current interruption
  • Compact black housing for durability in harsh environments

Specifications

Color
Black
Current Rating
30 A
Feature
Number of poles
Feature
Rated current
Feature
Voltage type
Feature
Rated voltage
Feature
Switching function
Material
Plastic
Poles
3
Series
Potter & Brumfield W9
Series
W9
Voltage Rating
277 VAC
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
Ground Lug

DNGL

Ground Lug
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 available current ratings for these circuit breakers?

The W6/W9 series circuit breakers have ratings up to 50 amps, with specific values ranging from 0.2 to 50.0 amps.

What is the operating temperature range for these breakers?

These circuit breakers can operate in a temperature range of -40°C to +85°C.

What agency approvals do the W6/W9 series breakers have?

They are UL Recognized (UL1077), CSA accepted, and VDE approved.

What types of terminal connections are available for the W6 series?

The W6 series offers quick-connect terminals or screw terminals for connections.

What are the heavy-duty stud connections for the W9 series?

The W9 series features heavy-duty #10-32 stud connections.

What are the dielectric strength specifications for the breakers?

The dielectric strength is 1500V at 50/60 Hz and 1100V DC.

What is the insulation resistance of the W6/W9 series breakers?

The insulation resistance is 100 Megaohms at 500VDC.

How many on/off cycles can these breakers endure?

The breakers are designed for 10,000 on/off cycles, with 6,000 at rated load and 4,000 at no load.

What is the maximum voltage rating for VDE approved breakers?

VDE approved breakers have maximum voltage ratings of 65V DC, 250V AC (1-phase), and 415/240V AC (3-phase).

What is the maximum voltage rating for UL/CSA approved breakers?

UL/CSA approved breakers have maximum voltage ratings of 65V DC, 277V AC (1-phase), and 277/480V AC (3-phase).

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.