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Siemens SpeedFax BQ3B040

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BQ3B040

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The Siemens BQ3B040 is a three-phase molded case circuit breaker designed for reliable electrical protection. With an amperage rating of 40 A and a voltage of 240 V, this breaker features a thermal magnetic trip type and boasts an interrupt rating of 10 kA.

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Technical specifications for BQ3B040

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineSpeedFax
Part NumberBQ3B040
UPC783643102613
Phase3 phase
Amperage40 A
Interrupt Rating10 kA
Poles3 poles
Terminal ConnectionScrew/Load Side
ApprovalUL, CSA
Trip TypeThermal Magnetic
Voltage240 V
Connection TypeBolt-On
ProtectionOvercurrent
Mounting TypeBolt-On Panelboard
Special FeaturesFinger Safe Terminal Shield
Actuator TypeToggle

The BQ3B040 circuit breaker from Siemens is engineered to provide robust protection in electrical systems. This molded case circuit breaker supports a three-phase configuration and offers a current rating of 40 A, making it suitable for significant loads. With a voltage capacity of 240 V, it is designed to handle standard operational requirements in various environments.

Equipped with a thermal magnetic trip type, the BQ3B040 effectively interrupts current flow under fault conditions, boasting a commendable interrupt rating of up to 10 kA. It operates with three poles, ensuring it can accommodate three-phase applications efficiently. Connections are achieved through a screw/load side terminal design, which simplifies installation procedures.

This unit is certified by UL and CSA, guaranteeing it meets established safety and performance standards. For added safety, the finger-safe terminal shield prevents accidental contact with live parts. The actuator uses a toggle for easy manual operation. Additionally, it mounts securely on a panelboard with a bolt-on style, ensuring stability and reliability in deployment.