Schneider 33671 Air Circuit Breaker With Under Voltage Coil 220 VAC DC For Industrial And Commercial Panels

Discover dependable power control with the Schneider 33671 Air Circuit Breaker, featuring an Under Voltage Coil rated for 220 VAC/DC. Crafted for demanding environments, this unit is a trusted choice for industrial and commercial panels where consistent electrical distribution is non-negotiable. Whether you’re upgrading a panel, carrying out retrofit work, or replacing worn components, this breaker delivers the reliability professionals count on for service work, small projects, and stocking spares.

Why this breaker stands out

Designed by Schneider Electric, the 33671 model combines rugged construction with precise control. The integrated Under Voltage Coil ensures voltage-dependent protection, helping prevent equipment damage by promptly interrupting faults when supply conditions fall outside safe ranges. That means fewer nuisance trips and greater protection for downstream gear, motors, and control circuits.

Key specifications

• Amperage rating: 33671 A
• Voltage rating: 220 VAC
• Undervoltage coil: 220 VAC / DC compatible (coil energized options for flexible control)

Ideal for

• Electricians planning panel upgrades and retrofits in industrial and commercial settings
• Panel builders integrating reliable protection into new enclosures
• MRO teams stocking dependable spares for maintenance and service work

Practical use cases

• Upgrading legacy panels to modern, undervoltage-protected protection schemes for critical loads
• Replacing aging breakers during routine maintenance to minimize downtime
• Incorporating robust protection in commercial electrical rooms where reliability is essential
• Ensuring gear is safeguarded in environments with fluctuating supply voltages

What you gain by choosing this Schneider solution

The Schneider 33671 is more than a breaker; it’s a component designed to integrate seamlessly into Schneider Electric ecosystems, supporting straightforward stocking and fast swap-outs. Its undervoltage-coil feature provides an extra layer of protection for sensitive equipment, while the 220 VAC rating aligns with common industrial power systems. This combination translates to faster commissioning, easier maintenance, and improved uptime for critical panels.

Installation and best-use tips

• Confirm that your control voltage matches the undervoltage coil rating (220 VAC or compatible DC options) to ensure reliable operation.
• Keep a spare on hand for rapid replacement in busy service environments, reducing panel downtime.
• Follow manufacturer torque specifications and wiring practices to preserve coil integrity and electrical reliability.
• Store in a controlled environment to prevent corrosion and maintain responsiveness of the undervoltage mechanism.

Elevate your panel protection with the Schneider 33671 Air Circuit Breaker—the dependable choice for electricians, panel builders, and MRO teams who demand consistent performance, straightforward integration, and ready availability for industrial and commercial applications.