Home › Manufacturers › Siemens › ED43B040L

Siemens

Siemens ED43B040L 40A 3-Pole Molded Case Circuit Breaker

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part numberED43B040L

Amperage 40A

Voltage 480V AC

Poles 3

Interrupt Rating 18kA @ 480V

Get a price for ED43B040L

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

40A current rating 3-pole configuration 480V AC voltage 18kAIC interrupting capacity Thermal-magnetic trip Long-time and instantaneous trip

Product description

The Siemens ED43B040L is a 3-pole molded case circuit breaker designed for robust power distribution and protection in commercial and light industrial settings. Part of the Sentron ED4 frame series, it features a 40A current rating, a 480V AC voltage capacity, and a thermal-magnetic trip unit with long-time and instantaneous functions. This breaker has an interrupting rating of 18kAIC at 480V, ensuring reliable fault interruption.

Engineered for dependable performance, the ED43B040L is suitable for installation in panelboards, switchboards, and motor control centers. Its feed-thru connection simplifies installation, and its durable construction is ideal for applications requiring consistent overcurrent protection.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, offers the Siemens ED43B040L. We provide high-quality, cost-effective solutions to ensure your operations remain efficient and uninterrupted. Trust Stanlo Automation for your critical component needs.

Technical specifications

Amperage	40A
Voltage	480V AC
Poles	3
Interrupt Rating	18kA @ 480V
Trip Type	Thermal Magnetic
Connection	Feed-Thru
Series	Sentron ED4

Common applications

Panelboards

Switchboards

Motor Control Centers

Commercial buildings

Light industrial facilities

Power distribution systems

Compatible systems

Siemens P1-P5 Panelboards SB Switchboards Compatible Motor Control Centers

Also known as

Siemens ED43B040L MCCB ED43B040L breaker Siemens Sentron 40A

Replaces / compatible with

This breaker serves as a direct replacement for older Siemens ED series circuit breakers. Consult manufacturer documentation for specific compatibility or supersession.

Technical note

Expert tip

This breaker is suitable for use in Siemens P1 through P5 panelboards and SB switchboards.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the interrupting rating and voltage for the Siemens ED43B040L circuit breaker?

The Siemens ED43B040L circuit breaker has an interrupting rating of 18kAIC at 480V AC. It is designed for use in systems operating at up to 480V AC.