Siemens HE42B050 Circuit Breaker, 50A, 2-Pole, 480V

Siemens HE42B050 Circuit Breaker, 50A, 2-Pole, 480V — a purpose-built protection device for demanding industrial environments. Crafted for service, maintenance, and replacement projects, this breaker integrates seamlessly with Siemens distribution systems, delivering reliable overcurrent protection where it matters most.

Why choose HE42B050 for your installation?

• Accurate, application-specific rating: 50 A current rating with a 2-pole configuration for 480V environments, delivering targeted protection for feeders, motors, and control circuits.
• Industrial-grade reliability: Built to endure the rigors of plant floors, switchgear, and MCCs, with consistent performance under frequent switching and fault conditions.
• Exact part number for compatibility: Use HE42B050 to verify fit with your equipment; ideal for Siemens panels and compatible Siemens distribution assemblies.
• Flexible use across setups: Suitable for new installations and spare-part replacements in existing networks that run at 480V, including 3-phase feeders and isolated circuits.
• Simple compatibility checks: Verify fit by part number and application requirements; if you’re uncertain, our team can help confirm compatibility—message us for assistance.

Use cases and installation scenarios

Common scenarios where the HE42B050 shines:

• Replacing a failed or outdated circuit breaker within a Siemens-controlled panelboard or switchgear assembly.
• Feeding industrial loads in manufacturing lines, HVAC distribution, or data-center infrastructure that operate at 480V.
• Upgrading protection schemes in motor control centers (MCCs) or main distribution panels where two-pole, 50 A protection is appropriate.
• Spare-part stock for maintenance programs to minimize downtime during scheduled outages.

Specifications at a glance

• Manufacturer: Siemens
• Part number: HE42B050
• Product type: Circuit Breaker
• Amperage rating: 50 A
• Poles: 2
• Voltage rating: 480V

Note: Verify fit by part number and application requirements. If you need help matching a part number or confirming compatibility, send us a message and we'll assist you in confirming the right fit for your system.