Milbank 4 Terminal Ringless Meter Socket with 400A Main Breaker 480V 1-Phase Lever Bypass System

Milbank 4 Terminal Ringless Meter Socket with 400A Main Breaker 480V 1-Phase Lever Bypass System

Professional electrical metering and main breaker protection with lever bypass functionality

The Milbank 4 Terminal Ringless Meter Socket delivers reliable electrical metering and main breaker protection for 480V single-phase applications. This professional-grade meter socket features a 400 ampere main breaker with lever bypass provision, housed in a durable G90 galvanized steel enclosure with powder coat finish rated for Type 3R outdoor applications. The surface-mount design accommodates underground cable entry with comprehensive wire range compatibility from 4 AWG to 600 kcmil.

Professional Features & Benefits

• 400 Ampere Main Breaker: Provides reliable overcurrent protection and electrical isolation for safe maintenance operations.
• Lever Bypass Provision: Enables continuous power during meter maintenance without service interruption for critical applications.
• 4 Terminal Ringless Design: Simplifies installation and reduces connection points while maintaining secure electrical contact.
• Type 3R Enclosure Rating: Weather-resistant construction protects internal components from rain, sleet, and outdoor environmental conditions.
• G90 Galvanized Steel Construction: Corrosion-resistant material with powder coat finish ensures long-term durability and professional appearance.
• UL Listed Certification: Meets rigorous safety standards for reliable performance in commercial and industrial electrical systems.
• Underground Cable Entry: Accommodates below-grade electrical service connections with appropriate sealing and protection.

Technical Specifications

• Amperage Rating: 320 Continuous Ampere
• Application: Meter Socket With Main
• Brand Name: Milbank
• Bypass Provision: Lever Bypass
• Cable Entry: Underground
• Departent: Electrical
• Equipment Ground: Grounding Stud
• Frequency Rating: 60 Hertz
• Hub Closing Plate: Plain Top
• Insulation: Glass Polyester
• Line Side Wire Range: Two 3/0 AWG - 500 kcmil
• Load Side Wire Range: 4 AWG - 600 kcmil or Two 1/0 AWG - 250 kcmil
• Main Breaker Size: One 400 Ampere Main Breaker
• Number Of Jaws: 4 Terminal
• Number Of Main Breakers: 1
• Number Of Meter Positions: 1 Position
• Number Of Receptacles: 0
• Phase: 1 Phase
• Product Family Code: COLBD
• Product Height: 36 IN
• Product Length: 6 IN
• Product Material: G90 Galvanized Steel with Powder Coat Finish
• Product Mounting: Surface Mount
• Product Size: 6L x 26W x36H
• Product Type: Ringless Meter Socket
• Standard: UL Listed;Type 3R
• Terminal: Single Mechanical
• Unspsc Number: 39121102
• Voltage Rating: 600 Volts Alternating Current
• Width: 26 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

• Commercial Building Electrical Service
• Industrial Facility Power Distribution
• Multi-Unit Residential Properties
• Retail and Office Buildings
• Manufacturing and Processing Facilities
• Municipal and Government Buildings
• Educational Institution Power Systems

Why Choose Milbank Quality?

Milbank delivers proven reliability through UL Listed certification and Type 3R weather-resistant construction. The G90 galvanized steel enclosure with powder coat finish provides long-term durability, while the glass polyester insulation and grounding stud ensure safe, code-compliant electrical connections for professional installations.