Siemens Model 90 - Breaker MCC Bucket - 400 A, 600 V, 30" Height, 3 P | AmpState

Engineered for industrial motor control applications that require a robust, high-current MCC bucket, the Siemens Model 90 Breaker MCC Bucket from AmpState delivers reliable performance in a 400 A, 600 V, 3-Pole configuration. This unit is designed to fit directly into Siemens Model 90 MCC systems and serves as a dependable OEM replacement and retrofit solution, helping you maintain uptime and system integrity.

Direct OEM replacement and retrofit ready

Designed to slide into existing Siemens Model 90 MCC assemblies without major modifications, this breaker bucket preserves original electrical paths and mechanical footprints, simplifying procurement and installation.

Key specifications

• Current rating: 400 A
• Voltage rating: 600 V
• Configuration: 3-pole
• Height: 30 inches
• Type: Breaker MCC bucket
• Brand: Siemens

Why this matters

In high‑demand motor control centers, the right MCC bucket ensures coordinated protection, clean power distribution, and minimal fault exposure. The Siemens Model 90 bucket delivers precise trip characteristics, alignment with Siemens protection schemes, and a proven form factor that reduces downtime during swaps or upgrades.

Ideal use cases

• Retrofits of aging Siemens Model 90 MCC systems where a like‑for‑like bucket is required
• New installations in facilities with heavy motor loads (pumping, fans, conveyors) that require reliable 400 A protection at 600 V
• Maintenance substitutions where OEM parts are preferred for warranty and performance consistency

Installation & maintenance tips

Follow standard electrical safety procedures. Verify the unit's ratings match your system requirements before installation. Use compatible wiring, secure mounting to the MCC frame, and confirm proper bus alignment to ensure accurate protection and switchgear operation. For longevity, schedule periodic inspection of connections and replace worn components as part of your preventive maintenance plan.

About AmpState

AmpState specializes in high‑quality MCC components with global delivery, offering reliable sourcing for critical motor control equipment. This Siemens Model 90 Breaker MCC Bucket is backed by AmpState's commitment to authentic parts and fast fulfillment, helping you minimize downtime and keep your industrial processes moving.