Milbank 320A 1-Phase Ringless ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$553.68

Milbank 320A 1-Phase Ringless Meter Socket with Lever Bypass and Large Closing Plate

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Model: U3939-X

In Stock (leaves warehouse same day if ordered before 3pm ET)

$553.68
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Milbank 320A 1-Phase Ringless Meter Socket with Lever Bypass and Large Closing Plate

Professional meter socket solution with integrated bypass capability

The Milbank 320A 1-Phase Ringless Meter Socket delivers reliable electrical metering with integrated lever bypass functionality for professional installations. Featuring robust G90 galvanized steel construction with powder coat finish and Type 3R enclosure rating, this surface-mount meter socket provides 320 continuous ampere capacity at 600V AC with glass polyester insulation for dependable service in overhead or underground cable applications.

Professional Features & Benefits

  • 320 Continuous Ampere Rating: Handles substantial electrical loads for residential and light commercial applications with reliable capacity management.
  • Lever Bypass Provision: Enables safe meter maintenance and replacement without interrupting power service to critical loads.
  • Type 3R Enclosure Rating: Weather-resistant construction protects internal components from rain, sleet, and ice formation for outdoor installations.
  • G90 Galvanized Steel with Powder Coat: Corrosion-resistant materials ensure long-term durability and professional appearance in harsh environments.
  • 4 Terminal Ringless Design: Simplifies installation with 3/8 inch stud terminals and eliminates need for meter rings or additional hardware.
  • UL Listed Certification: Meets rigorous safety standards for code compliance and professional installation confidence.
  • Large Closing Plate: Accommodates various cable entry configurations while maintaining secure weatherproof seal.

Technical Specifications

  • Amperage Rating: 320 Continuous Ampere
  • Application: Meter Socket
  • Brand Name: Milbank
  • Bypass Provision: Lever Bypass
  • Cable Entry: Overhead or Underground
  • Departent: Electrical
  • Equipment Ground: 2 Barrel Ground Lug
  • Frequency Rating: 60 Hertz
  • Hub Closing Plate: Large Closing Plate
  • Insulation: Glass Polyester
  • Main Breaker Size: No Main Breaker
  • Number Of Jaws: 4 Terminal
  • Number Of Main Breakers: 0
  • Number Of Meter Positions: 1 Position
  • Number Of Receptacles: 0
  • Phase: 1 Phase
  • Product Family Code: 4T32
  • Product Height: 30 IN
  • Product Length: 5.75 IN
  • Product Material: G90 Galvanized Steel with Powder Coat Finish
  • Product Mounting: Surface Mount
  • Product Size: 5.75L x 16W x30H
  • Product Type: Ringless Meter Socket
  • Standard: UL Listed;Type 3R
  • Terminal: 3/8 Inch Stud
  • Unspsc Number: 39121102
  • Voltage Rating: 600 Volts Alternating Current
  • Width: 16 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 electrical service installations requiring high amperage capacity
  • Light commercial facilities with substantial power demands
  • Multi-unit residential properties and apartment complexes
  • Professional offices and retail establishments
  • Industrial facilities requiring reliable metering with bypass capability
  • Utility company meter installations with maintenance requirements

Why Choose Milbank Quality?

Milbank meter sockets deliver proven reliability with UL Listed certification and Type 3R weather resistance. The robust G90 galvanized steel construction with powder coat finish ensures long-term performance, while the integrated lever bypass system provides professional-grade serviceability for critical electrical installations.

Manufacturer Resources

Product Specs

Amperage Rating:
320 Continuous Ampere
Application:
Meter Socket
Brand Name:
Milbank
Bypass Provision:
Lever Bypass
Cable Entry:
Overhead or Underground
Departent:
Electrical
Equipment Ground:
2 Barrel Ground Lug
Frequency Rating:
60 Hertz
Hub Closing Plate:
Large Closing Plate
Insulation:
Glass Polyester
Main Breaker Size:
No Main Breaker
Number Of Jaws:
4 Terminal
Number Of Main Breakers:
0
Number Of Meter Positions:
1 Position
Number Of Receptacles:
0
Phase:
1 Phase
Product Family Code:
4T32
Product Height:
30 IN
Product Length:
5.75 IN
Product Size:
5.75L x 16W x30H
Product Type:
Ringless Meter Socket
Standard:
UL Listed;Type 3R
Terminal:
3/8 Inch Stud
Unspsc Number:
39121102
Voltage Rating:
600 Volts Alternating Current
Width:
16 IN
Product Material:
G90 Galvanized Steel with Powder Coat Finish
Product Mounting:
Surface Mount

Milbank U3939-X – Frequently Asked Questions

How fast can I get the Milbank U3939-X delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Milbank U3939-X come with a warranty?
Absolutely. The Milbank U3939-X is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Milbank U3939-X?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Milbank U3939-X from ZenSupply?
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