Siemens Meter Main Switchboard 400A 600A 800A 120/208V or 480/277V 3 Phase Main Breaker Panel NEMA 1 / 3R

Description

The Siemens Meter Main Switchboard lineup provides a complete, ready-to-install power distribution solution for commercial and industrial applications. These units combine a meter section, main breaker, and distribution panel into one streamlined system, making them ideal for service entrances and multi-tenant setups.

Available in 400 Amp, 600 Amp, and 800 Amp configurations, with options for 120/208V and 480/277V 3-phase systems, these switchboards are built to handle a wide range of project requirements.

If you're looking for a meter main panel, commercial switchboard, or service entrance equipment, this listing allows you to select the exact configuration you need.

Available Configurations 

• 400 Amp – 120/208V – 3 Phase
• 400 Amp – 480/277V – 3 Phase
• 600 Amp – 120/208V – 3 Phase
• 600 Amp – 480/277V – 3 Phase
• 800 Amp – 120/208V – 3 Phase
• 800 Amp – 480/277V – 3 Phase

Enclosure Options:

• NEMA 1 (Indoor)
• NEMA 3R (Outdoor)

Key Features

• Meter Main Switchboard (All-in-One Design)
• Main Breaker Included
• Integrated Metering & Distribution Sections
• Built for 3 Phase Commercial Power Systems
• Available in Multiple Amperages & Voltages
• Indoor & Outdoor Enclosure Options
• Siemens Commercial-Grade Equipment
• Designed for Fast Installation
• In Stock – Ready to Ship

Technical Specifications

• Brand: Siemens
• Amperage Options: 400A / 600A / 800A
• Voltage Options: 120/208V or 480/277V
• Phase: 3 Phase
• System Type: Meter Main Switchboard
• Main Breaker: Included
• Enclosure: NEMA 1 (Indoor) / NEMA 3R (Outdoor)
• Mounting: Floor Mounted
• Frequency: 60 Hz
• Condition: New / Surplus

Common Applications

• Apartment Buildings & Multi-Family Housing
• Retail Centers & Strip Malls
• Office Buildings
• Warehouses & Industrial Facilities
• Service Entrance Equipment
• Tenant Metering Systems

Why Contractors Choose This

• Combines metering, main breaker, and distribution in one unit
• Reduces installation time and labor
• Flexible configurations for different job requirements
• Trusted Siemens quality
• Ideal for service upgrades and new construction

Product Data 

• Product Type: Meter Main Switchboard
• Brand: Siemens
• Amperage: 400A / 600A / 800A
• Voltage: 120/208V or 480/277V
• Phase: 3 Phase
• Enclosure: NEMA 1 / NEMA 3R
• Mounting: Floor Mounted
• Application: Commercial Power Distribution

Variation Setup

Use these options:

Option 1: Amperage

• 400A
• 600A
• 800A

Option 2: Voltage

• 120/208V
• 480/277V

Option 3: Enclosure

• NEMA 1
• NEMA 3R

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Need help selecting the right configuration?
We can match your specs and make sure you get the correct unit for your project. Contact us anytime.

Returns are easy

You may return items within 10 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.