Siemens Model 90 - Breaker MCC Bucket - 20 A, 480 V, 15" Height, 3 P | AmpState

Designed for demanding industrial motor control environments, the Siemens Model 90 Breaker MCC Bucket delivers precise protection and reliable performance in a compact 15" form factor. This 20 A, 480 V, 3-pole bucket is engineered to slide seamlessly into Siemens Model 90 MCC systems, providing a direct OEM-compatible replacement or retrofit option that keeps your automation running smoothly.

Key Specifications

• Configuration: Breaker MCC Bucket
• Rating: 20 A, 480 V, 3-Pole
• Height: 15 inches
• Brand: Siemens
• Application: Industrial motor control centers (MCC) requiring a precise 3-pole protection bucket
• Compatibility: Direct replacement for Siemens Model 90 MCC systems (OEM and retrofit)

Why this bucket matters for your operation

In a production line, downtime is costly. This MCC bucket is purpose-built to slot into existing Siemens Model 90 layouts, so maintenance teams can swap in a known-good component without re-engineering control architectures. The 20 A, 480 V rating aligns with common motor starter and drive configurations, enabling reliable protection for motors while supporting efficient switching during overload or fault conditions.

Ideal use cases

• Retrofit or replacement in aging Siemens Model 90 MCC installations—restore original performance without changes to the control scheme.
• Spare-part strategy for maintenance teams managing critical conveyors, pumps, fans, or compressor circuits that rely on stable MCC protection.
• New-install simulations where a precise 3-pole, 20 A, 480 V breaker bucket is required to meet spec for motor control centers.
• Upgrade path for facilities aiming to standardize on Siemens Model 90 components across multiple lines, simplifying procurement and training.

What sets it apart

Unlike generic MCC buckets, this Siemens Model 90 Breaker MCC Bucket is designed to integrate with the exact geometries and electrical interfaces of Siemens Model 90 MCC systems. The 3-pole configuration ensures synchronized protection across all phases, maintaining balanced motor control and preventing partial faults from compromising equipment. Its 15" height fits standard rack spaces, facilitating straightforward installation and consistent field performance in tight MCC environments.

Installation and safety notes

Install and commission by qualified electrical personnel following all relevant safety standards and OEM instructions. Before replacement, verify that the surrounding MCC section is de-energized and properly grounded. Confirm continuity of bus connections and torque specs on mounting hardware to ensure a secure, code-compliant fit. This part is intended as a direct replacement within compatible Siemens Model 90 MCC frameworks.

AmpState Advantage

AmpState delivers high-quality MCC components with global delivery, supporting uptime for facilities worldwide. This Siemens Model 90 Breaker MCC Bucket combines authentic specifications with reliable supply, helping you shorten lead times and keep maintenance cycles predictable.

Who should consider this part

• Maintenance teams and plant engineers managing Siemens Model 90 MCC systems.
• Facilities pursuing OEM-compatible retrofits and standardized replacements across multiple lines.
• Operations seeking dependable, easy-to-source components to minimize downtime during motor protection upgrades.

With its precise ratings, direct compatibility, and proven reliability, the Siemens Model 90 Breaker MCC Bucket from AmpState is a practical, efficient solution for keeping industrial motor control centers performing at peak efficiency.