Siemens | HEB1B030 | Circuit Breaker | 30A | 1-Pole | 277V | Bolt-On

Meet the Siemens HEB1B030—a precise, reliable 30-amp, 1-pole circuit breaker designed for 277-volt distribution and bolt-on mounting. Built for maintenance, retrofit, and replacement projects, this device ensures your panel protection aligns with exact specifications. Rely on the part number HEB1B030 as your best reference for compatibility, helping you avoid mismatches in demanding electrical environments.

Key specifications

• Amperage: 30 A
• Poles: 1-Pole
• Voltage: 277 V
• Mounting: Bolt-On
• Reference: Part number HEB1B030

Why this breaker stands out

Designed for bolt-on installations, the Siemens HEB1B030 delivers secure, durable mounting that resists vibration and loosening in busy electrical panels. Its 277V rating targets commercial and industrial circuits—think lighting, control, and other 277V distribution paths—providing targeted protection where it matters most. As a single-pole device, it protects individual single-phase circuits, offering straightforward replacement when your original equipment reaches the end of its service life.

Ideal use cases

• Replacing a failed 30A 1-pole breaker in a 277V panel to restore circuit protection quickly.
• Retrofit projects where 277V distribution requires consistent, code-compliant overcurrent protection.
• Maintenance scenarios in commercial facilities, maintenance closets, or industrial spaces with 277V lighting or control circuits.

Installation & compatibility tips

• Always confirm fit and ratings before ordering—the HEB1B030 reference is your best compatibility check.
• Ensure your panel accepts bolt-on breakers of this type and that the circuit is fed by a 277V supply.
• Follow your panel manufacturer’s torque and installation guidelines to secure the breaker properly and maintain reliable protection.

When you need dependable, site-ready protection for 277V single-pole circuits, the Siemens HEB1B030 delivers targeted performance with easy sourcing through standard replacement channels. It’s the practical choice for maintaining safe, uninterrupted power in commercial and industrial environments, backed by Siemens’ long-standing reputation for reliability and compatibility.