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Siemens B3Q440 Molded Case Circuit Breaker

Siemens B3Q440 40A 3-Pole 240V Molded Case Circuit Breaker.

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ManufacturerSiemens

Part numberB3Q440

Amperage 40A

Poles 3

Voltage 240V AC

Type Molded Case Circuit Breaker

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12-month warranty

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Veteran-owned

CAGE: 9NK75

3-pole design 40A current rating 240V AC voltage Overcurrent protection Short-circuit protection

Product description

The Siemens B3Q440 is a three-pole molded case circuit breaker designed for reliable electrical protection. With a current rating of 40 Amperes and a voltage rating of 240V, this breaker provides robust safeguarding against overcurrent and short-circuit faults in various electrical systems.

This circuit breaker is commonly used in residential, commercial, and industrial applications for branch circuit protection, load centers, and distribution panels. Its durable construction ensures long-lasting performance in demanding environments, offering peace of mind for electrical safety.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens B3Q440 at competitive prices. Trust us for your surplus electrical component needs, ensuring quality and timely delivery.

Technical specifications

Amperage	40A
Poles	3
Voltage	240V AC
Type	Molded Case Circuit Breaker

Common applications

Load Centers

Distribution Panels

Branch Circuit Protection

Industrial Equipment

Commercial Buildings

Compatible systems

Standard electrical panels Distribution systems

Also known as

Siemens 3-Pole 40A Breaker B3Q 40A

Replaces / compatible with

Compatible with standard load centers and distribution panels requiring 40A, 3-pole, 240V circuit protection.

Technical note

Expert tip

Ensure the breaker is installed in a suitable enclosure and that wiring connections are secure to prevent overheating.

What happens next?

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Frequently asked questions

What is the voltage and amperage rating of the Siemens B3Q440?

The Siemens B3Q440 is rated for 240 Volts AC and has a current carrying capacity of 40 Amperes. It is designed to protect circuits from overloads and short circuits.