Milbank 320A Ring-Type Meter Socket with Main Breaker and Load Center - 120/240V Single Phase Underground Service

Milbank 320A Ring-Type Meter Socket with Main Breaker and Load Center

Professional electrical service entrance solution with integrated load management

The Milbank 320A Ring-Type Meter Socket delivers comprehensive electrical service entrance capabilities with integrated main breaker protection and load center functionality. This single-phase 120/240V system combines meter socket, 400A main breaker, and 12-circuit load center in a durable G90 galvanized steel enclosure with powder coat finish, designed for reliable underground service applications with Type 3R weather protection.

Professional Features & Benefits

• 320 Continuous Ampere Rating: Provides substantial electrical capacity for residential and light commercial applications with reliable current handling.
• 400A Main Breaker Protection: Integrated overcurrent protection safeguards downstream circuits and equipment from electrical faults and overloads.
• 12-Circuit Load Center: Built-in distribution panel eliminates need for separate load center installation, reducing material and labor costs.
• Type 3R Weather Rating: UL Listed enclosure provides protection against rain, sleet, and ice formation for outdoor installations.
• G90 Galvanized Steel Construction: Corrosion-resistant material with powder coat finish ensures long-term durability in harsh environmental conditions.
• Underground Cable Entry: Designed for underground service connections with appropriate wire range accommodation from 6 AWG to 350 kcmil.
• Light Kit with Photocell: Integrated lighting system with automatic daylight control enhances safety and visibility during service operations.

Technical Specifications

• Amperage Rating: 320 Continuous Ampere
• Application: Meter Socket With Main
• Barrel Lock Provision: 7/16 Inch Knockout for Barrel Lock Provision
• Brand Name: Milbank
• Cable Entry: Underground
• Departent: Electrical
• Equipment Ground: 2 Barrel Ground Lug
• Frequency Rating: 60 Hertz
• Hub Closing Plate: Plain Top
• Insulation: Glass Polyester
• Light Kit: Light Kit with Photocell
• Line Side Wire Range: 6 AWG - 350 kcmil
• Load Center: 12 Circuit Load Center
• Load Side Wire Range: 3/0 AWG - 300 kcmil
• Main Breaker Size: One 400 Ampere Main Breaker
• Number Branch Circuits: 1
• Number Of Jaws: 4 Terminal
• Number Of Main Breakers: 1
• Number Of Meter Positions: 1 Position
• Phase: 1 Phase
• Product Family Code: HPWR
• Product Height: 38 IN
• Product Material: G90 Galvanized Steel with Powder Coat Finish
• Product Mounting: Surface Mount
• Product Type: Ring Type Meter Socket
• Receptacle Configuration: Four NEMA 5-20 Ground Fault
• Standard: UL Listed;Type 3R
• Terminal: 1/2 Inch Stud Line Side
• Unspsc Number: 39121102
• Voltage Rating: Up to 240 Volts Alternating Current
• Width: 24.88 IN

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Residential Service Entrance Systems
• Small Commercial Facilities
• Multi-Unit Residential Properties
• Professional Office Buildings
• Retail Establishments
• Light Industrial Applications
• Underground Utility Service Connections

Why Choose Milbank Quality?

Milbank delivers proven reliability through UL Listed construction and Type 3R weather protection rating. The G90 galvanized steel enclosure with powder coat finish provides exceptional corrosion resistance, while the integrated design reduces installation complexity and long-term maintenance requirements for professional electrical service applications.