Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
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| Series | Marq 21 |
| Amperes | 5 |
| Poles | 3 |
| Voltage | 480 |
| Product Type | Breaker MCC Bucket |
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Engineered to integrate seamlessly with Siemens Marq 21 MCC systems, the Siemens Marq 21 Breaker MCC Bucket delivers a precise 5 A, 480 V, 3-Pole rating in a compact 9" tall housing. This is a purpose-built component for OEM replacement and retrofit projects, designed to drop into existing Marq 21 panels without modification while preserving control fidelity and trip coordination.
Ideal use cases: maintenance crews upgrading or refurbishing Siemens Marq 21 motor control centers, OEMs integrating Marq 21-compatible buckets into new equipment, and contractors performing retrofits on existing installations that require a 5 A, 480 V, 3-Pole MCC bucket with a 9" form factor. Whether you’re modernizing a plant line or replacing a failed component, this bucket maintains panel integrity and electrical coordination within the Marq 21 ecosystem.
Why this matters: Using the exact Siemens Marq 21 Breaker MCC Bucket for 5 A, 480 V, 3-Pole applications ensures consistent protection schemes, simplifies spare-part sourcing, and minimizes integration risk. The dedicated 9" height aligns with standard Marq 21 layouts, helping you preserve cabinet organization and wiring routes while delivering dependable performance when it matters most.
How to approach installation and compatibility: Confirm the bucket is being installed in a Siemens Marq 21 MCC lineup and that the 3-Pole, 5 A, 480 V ratings match your circuit requirements. Refer to your panel’s documentation for proper mounting, interlocks, and wiring connections. For sourcing, AmpState’s global availability helps ensure you can obtain this exact bucket when you need it for upgrades, repairs, or new-build integrations.
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General feedback we often hear from customers purchasing industrial electrical parts.
Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
Good communication and clear updates while the order was processed.
Project · Coordination
Looks and feels like a proper industrial-grade part. Works as expected.
Service · Field install