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circuit-breaker

Siemens EE3-B040 Circuit Breaker, 40A, 3-Pole, 240V

★★★★★
Part Number EE3-B040
Amperes 40
Poles 3
Voltage 240
Product Type circuit-breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $460.00
Sale price $460.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Siemens EE3-B040 Circuit Breaker 40A 3-Pole 240V - Circuit Breakers

Siemens EE3-B040 Circuit Breaker, 40A, 3-Pole, 240V

Regular price $460.00
Sale price $460.00 Regular price
Unit price
Product description
Shipping

Meet the Siemens EE3-B040 Circuit Breaker, a trusted choice for robust industrial protection in demanding electrical systems. With a 40 A rating, 3 poles, and 240 V operation, this unit is built to safeguard three-phase circuits powering motors, drives, and other heavy equipment in manufacturing, facilities, and commercial environments.

This breaker is engineered for concrete, real-world use—whether you’re commissioning new equipment, performing routine maintenance, or replacing a failed component. Its three-pole design ensures comprehensive protection across all live conductors in a three-phase setup, helping prevent damage from overloads and short circuits while enabling safe, swift isolation when servicing systems.

  • Part number verification: Confirm compatibility by checking the exact part number, EE3-B040, against your panel schedule and application requirements to avoid fitment issues.
  • Industrial reliability: Siemens builds to withstand the rigors of daily operation in industrial environments, delivering consistent performance over time.
  • Three-phase suitability: Ideal for distribution to 3-phase loads, including motors, conveyors, and HVAC equipment, where multiple lines require coordinated protection.
  • Voltage and current alignment: Designed for 240 V systems with a 40 A capacity to match typical industrial loads while providing precise, predictable protection.
  • Streamlined maintenance and replacement: Easy part replacement in compatible Siemens panels helps minimize downtime and keep critical systems online.

Who benefits most: maintenance teams, panel technicians, and operations managers responsible for reliable power distribution in factories, processing plants, and large facilities. If your project requires a 3-pole, 240 V breaker with a 40 A rating, the EE3-B040 from Siemens is a direct, compatible fit—when verified against your panel’s specifications.

If you need help matching a part number or confirming compatibility, message us and we’ll guide you to the right solution for your application.

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

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