Siemens - Marq 21 - Breaker MCC Bucket - 25 A, 480 V, 6" Height, 3 P | AmpState

Designed for Siemens Marq 21 MCC panels, this Breaker MCC Bucket delivers reliable, plant-floor protection for industrial three‑phase motors. With a 25 A rating, 480 V capacity, and a compact 6" bucket height, it slots into standard Marq 21 enclosures for seamless OEM replacement and retrofit projects.

Key features

• Configuration: 3‑Pole Breaker MCC Bucket for three‑phase motor control
• Current rating: 25 A continuous protection tailored to small‑ to mid‑size industrial motors
• Voltage rating: 480 V maximum, suitable for common factory three‑phase systems
• Physical footprint: 6" bucket height to match standard Marq 21 installations
• Compatibility: Specifically engineered for the Siemens Marq 21 MCC lineup
• Replacement use: Ideal for OEM replacement and retrofit applications
• Durability: Built to withstand demanding industrial environments
• Authenticity: Genuine Siemens engineering ensures reliable performance and compatibility
• Availability: Part of AmpState’s global supply of Siemens MCC components

Ideal use cases

• Replacing worn or obsolete MCC buckets in existing Siemens Marq 21 panels
• Retrofit projects upgrading motor control sections without reconfiguring the entire enclosure
• OEM new-builds or upgrades that require a compliant, three‑pole 25 A / 480 V protection solution
• Maintenance of production lines, conveyors, pumps, and other three‑phase motor loads in industrial settings

Compatibility and installation considerations

This MCC bucket is designed for use within the Siemens Marq 21 MCC lineup. Its 6" height and 3‑pole configuration align with standard Marq 21 footprints, enabling straightforward substitutions in compatible panels. When planning a retrofit or replacement, confirm that the target enclosure supports a 25 A, 480 V three‑phase bucket and that mounting and wiring align with your existing hardware and safety practices.

AmpState sources authentic Siemens MCC components worldwide, supporting OEM replacements and reliable retrofits with genuine parts designed for long-term system integrity.