Siemens HGB1B030B 30A 1P 347V Circuit Breaker, Bolt-On | AmpState

Meet the Siemens HGB1B030B — a bolt-on, 30 A, 1-pole circuit breaker designed for Siemens panelboards, load centers, and electrical distribution networks. This part is a smart pick for maintenance teams, panel builders, and spare inventories where exact part-number matching matters.

• Bolt-on mounting offers secure, tool-free installation on compatible Siemens enclosures, accelerating replacements and reducing service downtime.
• Electrical specs — 30 A, 1 pole, 347 V (line-to-line). Built to protect single-phase circuits in commercial and industrial 347 V distributed systems.
• Direct part-number match — HGB1B030B ensures seamless compatibility with existing Siemens gear, simplifying procurement and inventory accuracy.
• Versatile applications — ideal for panelboards, load centers, and electrical distribution setups where targeted single-pole protection is required at 347 V.
• Practical benefits — fast, reliable replacements that help maintain uptime and system reliability without compromising safety or performance.
• Who should buy — maintenance teams, electrical contractors, and panel builders needing OEM-specific protection for Siemens installations; also a dependable spare for service vans and warehouses.
• Availability — available from AmpState with support to confirm fit and compatibility with your panel lineup; message us to verify exact match before ordering.

Why this matters: a dedicated single-pole breaker for 347 V distribution ensures quick fault isolation and minimal disruption to other circuits. Choosing the precise HGB1B030B eliminates mismatches, saves time, and keeps your Siemens-based electrical infrastructure running smoothly.

Usage tips: before installation, confirm your panel accepts bolt-on Siemens breakers in the HGB1B family and that 347 V circuits are within your system’s rating. Store the unit in a clean, dry environment to maintain contact integrity, and if you’re unsure about fit, AmpState can help verify compatibility with your existing equipment.