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Rockwell A-B 140G-J6F3-D15 SD140G 250A J Frame Molded Case Circuit Breaker

The A-B 140G-J6F3-D15-SD140G is an industrial-grade molded case circuit breaker designed for reliable protection in power distribution systems. Ideal for applications requiring robust circuit protection in heavy-duty environments.

Rockwell A-B 140G-J6F3-D15 SD140G 250A J Frame Molded Case Circuit Breaker

About Stoker Automation

With 20+ years in industrial automation, Stoker Automation Technology maintains a 5,000㎡ warehouse stocking 50,000+ industrial components. We specialize in critical replacement parts for metallurgy, oil & gas, power generation, and 20+ other industries.

Key Specifications

  • ▶ Rated Current: 250A
  • ▶ Frame Size: J (Compact Design)
  • ▶ Voltage: 690V AC (IEC 60947-2 Certified)
  • ▶ Breaking Capacity: 50kA at 400V AC
  • ▶ Poles: 3
  • ▶ Trip Mechanism: Thermal-Magnetic (Adjustable)

Industrial-Grade Protection

This UL/CE-certified circuit breaker features:

  • Silver-alloy contacts for 100,000+ mechanical operations
  • IP40 protection against dust ingress
  • -25°C to +70°C operating temperature range
  • Visible contact position indicator

Why Choose Us?

  • √ 2-year warranty on all circuit breakers
  • √ Same-day shipping from China warehouse
  • √ Technical support in 5 languages
  • √ Custom sourcing for obsolete models

Need help selecting components? Chat with our engineers on WhatsApp →

A-B 140G-J6F3-D15-SD Installation
Circuit Breaker Internal Components

Looking for other Allen-Bradley components? Email us at abbdcs36@gmail.com for full catalog access.




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    Stoker Automation Technology
    Professional Supplier of Automation Spare Parts

    Core Business:

    DCS, PLC, robotic control systems, and large servo system spare partsLeading brands: Allen Bradley, Bently Nevada, ABB, Emerson Ovation, Honeywell DCS, Rockwell ICS Triplex, ALSTOM, B&R, FOXBORO, Schneider PLC, KOLLMORGEN, GE Fanuc, Motorola, HIMA, TRICONEX, Prosoft, and more

    Core Strengths:

    Expert Team: Sales and technical teams work closely to respond quickly to customer needs

    Efficient Service: Accurate quotations, global air shipping, and a well-established logistics system

    After-Sales Support: High-quality after-sales service to ensure customer satisfaction

    Contact Us:

    WhatsApp: +86 19066591275

    Email: abbdcs36@gmail.com

    Stoker Automation Technology—Your Expert in Automation Spare Parts Solutions!

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    Phone numbers:

    +86 19066591275

    E-mail:

    abbdcs36@gmail.com

    whatsapp:

    +86 19066591275

    Address:

    60 Des Voeux Road Central, Hong Kong, China

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    phone: +86 19066591275
    email: abbdcs36@gmail.com