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TE Connectivity 4-1393247-1 - Circuit Breakers, Thermal, Series Trip, Silver, Operating Voltage 240 VAC, Operating Voltage 50 VDC, 40A Current Rating, Potter & Brumfield W23-31

TE Connectivity 4-1393247-1 Circuit Breakers, Thermal, Series Trip, Silver, Operating Voltage 240 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 4-1393247-1 is a thermal circuit breaker with a 40A current rating, designed for series trip applications. It supports operating voltages of 240V AC and 50V DC, making it suitable for both AC and DC power systems. The breaker features silver contacts for enhanced conductivity and durability. Compatible with Potter & Brumfield W23-31 form factor, this device is ideal for control panels, power distribution systems, and industrial machinery where reliable overcurrent protection is critical. The series trip mechanism ensures consistent tripping performance, preventing damage to sensitive equipment. With a US-manufactured design, this breaker meets industry standards for safety and reliability. The 4-1393247-1 is a trusted solution for engineers and technicians requiring precise thermal protection in demanding environments.
  • 40A current rating for reliable overcurrent protection
  • Operates at 240V AC and 50V DC for versatile power system compatibility
  • Series trip mechanism ensures consistent tripping performance
  • Silver contacts for enhanced conductivity and durability
  • Compatible with Potter & Brumfield W23-31 form factor

Specifications

Color
Silver
Current Rating
40 A
Feature
Rated current
Feature
Rated voltage
Feature
Number of poles (total)
Material
Silver Contacts
Mounting Type
Potter & Brumfield W23-31
Series
Potter & Brumfield W23-31
Series
Series Trip
Voltage Rating
240 VAC / 50 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 these circuit breakers?

The maximum operating voltages are 50VDC or 240VAC up to 400 Hz.

What are the maximum operating voltages for these circuit breakers?

The maximum operating voltages are 50VDC or 240VAC up to 400 Hz.

What is the interrupting capacity of the 0.5-25 amp models without fuse protection?

Without 4X max. series fuse protection, the 0.5-25 amp models have an interrupting capacity of 2000 amps at 50VDC.

What is the interrupting capacity of the 0.5-50 amp models with fuse protection?

With 4X max. series fuse protection, the 0.5-50 amp models have an interrupting capacity of 1000 amps at 240VAC.

What is the interrupting capacity of the 0.5-50 amp models with fuse protection?

With 4X max. series fuse protection, the 0.5-50 amp models have an interrupting capacity of 1000 amps at 240VAC.

What is the interrupting capacity of the 0.5-25 amp models without fuse protection?

Without 4X max. series fuse protection, the 0.5-25 amp models have an interrupting capacity of 2000 amps at 50VDC.

What type of termination is used for these circuit breakers?

Screw termination is used, with two #8-32 screw terminals.

How many mechanical cycles can these circuit breakers endure?

These circuit breakers can endure more than 10,000 mechanical cycles.

How many mechanical cycles can these circuit breakers endure?

These circuit breakers can endure more than 10,000 mechanical cycles.

What type of termination is used for these circuit breakers?

Screw termination is used, with two #8-32 screw terminals.

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.