Siemens E2N1S 100A 3P Circuit Breaker, NEMA 1 | AmpState

The Siemens E2N1S 100A 3P Circuit Breaker is a precise, three‑pole protection solution engineered for indoor electrical systems. Designed for panelboards, load centers, and general electrical distribution, this model delivers dependable interruption capabilities for three‑phase circuits where fast, predictable disconnects matter.

Key specifications

• Manufacturer: Siemens
• Part Number: E2N1S
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Enclosure/Mounting: NEMA 1
• Applications: Panelboards, load centers, and electrical distribution
• Availability: From AmpState

Why this Siemens E2N1S stands out

• Direct part-number match: This exact model is a straightforward fit for Siemens panel systems, reducing guesswork during maintenance or stocking.
• Three-pole 100 A rating: Ideal for distributing three‑phase loads where robust protection is essential.
• NEMA 1 enclosure: Suits indoor installations in standard electrical rooms and equipment closets, offering reliable protection in typical environments.
• Inventory‑friendly choice: As a standard Siemens part, it’s a practical addition to service fleets and spare inventories, helping you minimize downtime when replacements are needed.

Ideal use cases

• Maintenance and service: Quick replacement in existing Siemens panelboards or load centers to restore circuit protection with minimal downtime.
• Panel construction and upgrades: A dependable option for builders assembling new electrical distributions that specify a 100 A, 3P Siemens breaker.
• Spare inventory: A reliable standby part for distributors and contractors who require readily accessible Siemens components with a known fit.

Compatibility and support

If you’re unsure about fit for a specific panel or distribution system, AmpState offers assistance to confirm compatibility and ensure a precise match to your Siemens equipment. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Purchase with confidence from AmpState, where genuine Siemens E2N1S 100A 3P Circuit Breakers are stocked to support your maintenance schedules and project timelines.