Siemens HGB1B030B Molded Case Circuit Breaker – VL Series – 30A – 1 Pole – 347V – Bolt-On – Thermal Magnetic – High Interrupting Capacity

The Siemens HGB1B030B is a VL Series molded case circuit breaker designed for reliable overcurrent protection in commercial and industrial electrical distribution systems. Rated at 30A and up to 347V, this 1-pole bolt-on breaker features a thermal-magnetic trip unit providing both long-time overload protection and instantaneous short-circuit protection for fast fault interruption.

Built for panelboard applications, the HGB frame offers high interrupting performance and is suitable for reverse feed installations, making it a flexible and dependable solution for modern electrical systems requiring compact and efficient protection.

Specifications

• Brand: Siemens / ITE
• Part Number: HGB1B030B
• Series: VL Series
• Type: HGB Frame Molded Case Circuit Breaker
• Category: Molded Case / 1-Pole
• Duty Rating: Industrial grade
• Protection Type: Thermal Magnetic

Electrical Ratings

• Current Rating: 30A
• Voltage Rating: 347V AC
• Number of Poles: 1 Pole
• Phase: 1 Phase
• Frequency: 60 Hz

Interrupting Capacity

• 35kA @ 277V

Functions

• LI – Long-Time and Instantaneous Protection
• Thermal-Magnetic Trip Unit
• High interrupting capacity design
• Suitable for reverse feed applications

Construction

• Bolt-on connection type
• Panelboard mounting configuration
• Molded case durable housing
• Load-side lug terminals included
• Compact and lightweight design

Physical Specifications

• Dimensions: 5.4" H × 1" W × 2.8" D
• Weight: 0.38 lbs

Applications

• Commercial electrical panelboards
• Industrial distribution systems
• Branch circuit protection
• Lighting circuits
• HVAC auxiliary loads
• Reverse feed panelboard systems
• General-purpose low-voltage protection

Returns are easy

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

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