Square D EH34030 - 30A, Miniature Circuit Breaker (MCB)

Introducing the Square D EH34030 — a 30A miniature circuit breaker (MCB) engineered for dependable overcurrent protection in demanding electrical systems. This compact protector is built to safeguard circuits and equipment, helping keep production lines, facilities, and controls running smoothly with fewer interruptions.

• Current rating: 30A — precise, reliable protection for feeders and branch circuits in distribution panels and motor control centers.
• Breaker type: Miniature Circuit Breaker (MCB) — a proven protection device designed for quick response to overcurrent events while enabling safe, controlled power distribution.
• Versatile application — suitable for panelboards, switchboards, control panels, and OEM equipment, making it a practical choice across industrial, commercial, and OEM environments.
• Safe operation in critical environments — designed to deliver dependable protection in environments where uptime and safety are essential for performance and compliance.

Ideal for industrial settings, commercial installations, and OEM applications where reliable overcurrent protection is non-negotiable. Whether you're updating distribution panels, equipping motor control centers, or provisioning OEM equipment, the EH34030 provides a trusted, standards-aligned solution that reduces risk and supports consistent operation.

Key use cases:

• Protecting feeders and branch circuits in distribution panels
• Providing safe, switchboard-level protection in control panels
• Serving as a dependable protection component in OEM equipment assemblies
• Safeguarding motors and related drives in industrial environments

With the Square D EH34030, you get a purpose-built MCB that aligns with professional electrical systems, delivering clear protection, straightforward integration, and peace of mind for installers, operators, and maintenance teams alike.