EHB14030 | Square D 1-Pole 30A 277V Bolt-On Molded Case Circuit Breaker

Schneider Electric · Circuit Breakers & Protection

Description  The Square D EHB14030 is a 1-pole, 30-amp, 277V thermal magnetic molded case circuit breaker designed for industrial and commercial electrical systems. It provides reliable overload and short-circuit protection with a 14kA interrupting rating at 277V. The EHB14030 features a bolt-on mounting connection and long-time and instantaneous trip functions, ensuring safe and precise circuit protection in panelboard installations.     Technical Specifications  Condition New/Never Used Surplus Brand Square D Category Circuit Breaker Part Number EHB14030 Subcategory Molded Case Series EHB Voltage Rating 277 V AC Amperage Rating 30 A Poles 1 Phase 1 Interrupting Capacity 14kA @ 277V Protection Type Thermal Magnetic Trip Functions Long-Time and Instantaneous (LI) Mounting Type Bolt-On Frame Type EH Wire Size #14–#2/0 AWG Cu/Al Approvals UL Listed, CSA Certified Operating Temperature 40 °C Weight 2 lb   Information About EHB14030 The EHB14030 is part of the Square D EHB Series, a line of EH-frame molded case circuit breakers engineered for durability and consistent performance. It is designed for single-phase, 277V systems and supports a wide range of branch circuit applications. This breaker utilizes thermal-magnetic trip technology and bolt-on mounting for secure integration into standard panelboards. Certified to UL and CSA standards, it provides dependable protection for both industrial and commercial electrical environments. Key Features: Current Rating: 30 Amps – Supports moderate-load branch circuits in commercial and industrial settings. Voltage Rating: 277V AC – Compatible with single-phase electrical systems. Interrupting Capacity: 14kA – Safely interrupts high short-circuit currents to protect the system. Protection Type: Thermal-Magnetic – Provides overload and short-circuit protection for connected circuits. Trip Functions: LI – Combines long-time and instantaneous trip mechanisms for precise response. Mounting Type: Bolt-On – Ensures secure attachment to compatible panelboards. Frame Type: EH – Fits standard EH-frame panelboards with 15–100A range. Certifications: UL Listed, CSA Certified – Meets recognized electrical safety and performance standards. The EHB14030 delivers the reliability and precision required for safe and efficient branch circuit protection in industrial and commercial installations.

Brand: Schneider Electric · Category: Circuit Breakers & Protection

Key features

• Current Rating: 30 Amps – Supports moderate-load branch circuits in commercial and industrial settings.
• Voltage Rating: 277V AC – Compatible with single-phase electrical systems.
• Interrupting Capacity: 14kA – Safely interrupts high short-circuit currents to protect the system.
• Protection Type: Thermal-Magnetic – Provides overload and short-circuit protection for connected circuits.
• Trip Functions: LI – Combines long-time and instantaneous trip mechanisms for precise response.
• Mounting Type: Bolt-On – Ensures secure attachment to compatible panelboards.
• Frame Type: EH – Fits standard EH-frame panelboards with 15–100A range.
• Certifications: UL Listed, CSA Certified – Meets recognized electrical safety and performance standards.

Specifications

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