Siemens B340H00S01 Molded Case Circuit Breaker – 40A – 3 Pole – 240V – BLH Series – 22kAIC – Bolt-On – Factory 120V Shunt Trip

The Siemens B340H00S01 is a BLH Series molded case circuit breaker designed for reliable protection of three-phase electrical systems in commercial and industrial power distribution applications. This 40A, three-pole breaker provides dependable thermal magnetic protection with Long-Time and Instantaneous (LI) trip functions, ensuring fast and accurate response to overload and short-circuit conditions.

It features a bolt-on mounting design for secure installation in compatible Siemens panelboards, along with a factory-installed 120V shunt trip for remote tripping capability in emergency shutdown and automated control systems.

Specifications

• Brand: Siemens
• Manufacturer: Siemens Breakers
• Part Number: B340H00S01
• Family: BL Series
• Type: BLH
• Category: Molded Case Circuit Breaker / 3-Pole

Electrical Ratings

• Current Rating: 40A
• Number of Poles: 3 Pole
• Voltage Rating: 240V AC
• Phase: 3 Phase
• Interrupting Capacity: 22kAIC @ 240V
• Protection Type: Thermal Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Shunt Trip Voltage: 120V (factory installed)

Mechanical Specifications

• Connection Type: Bolt-On
• Dimensions (H × W × D): 4.724 × 5.906 × 3.937 in
• Weight: 1.43 lb

Technical Features

• Factory-installed 120V shunt trip for remote operation
• Thermal magnetic trip unit for reliable fault protection
• High interrupting capacity (22kAIC) for demanding systems
• Designed for three-phase power distribution systems
• Secure bolt-on mounting design
• Durable molded case construction for long service life

Applications

• Industrial three-phase power distribution
• Commercial electrical panels
• Motor control centers (MCCs)
• HVAC and heavy equipment protection
• Branch and feeder circuit protection
• Emergency shutdown and control systems
• Building infrastructure power systems

Standards and Approvals

• UL 489 Listed
• CSA Approved

Returns are easy

You may return items within 30 days of delivery for a refund.

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