Siemens | HED41B040L | Circuit Breaker | 40A | 1-Pole | 277V

Siemens HED41B040L is a purpose-built circuit breaker designed to protect 277-volt circuits with precision. This 40-amp, 1-pole device is ideal for maintenance, retrofit, and replacement projects where exact specifications matter, helping you safeguard wiring and equipment with confidence.

Key specifications at a glance

• Amperage: 40 A
• Poles: 1-Pole
• Voltage rating: 277 V
• Part reference: HED41B040L

Why this breaker stands out

• Built by Siemens for dependable overcurrent protection with a robust trip mechanism you can trust in critical applications.
• Designed to align with Siemens panels and other systems that require a precise 40 A, 1-pole, 277 V solution.
• The HED41B040L part number is the most reliable reference for compatibility—verify fit and ratings before placing an order to ensure a seamless replacement.

Ideal use cases

• Electrical maintenance on existing installations that rely on a 277-volt single-pole protection device.
• Retrofits or upgrades in commercial spaces where panel configurations demand exact 40 A, 1-pole protection.
• Replacement scenarios in panels specified to use the HED41B040L part number for straightforward compatibility.

Why choose Siemens for panel protection

• Trusted engineering from a global leader in electrical protection components, delivering consistent performance over time.
• Clear compatibility cues through the exact part reference, reducing guesswork during replacements and upgrades.
• Specifically suited for 277 V, single-pole configurations, offering practical, predictable protection in everyday and demanding environments.