Milbank 320A Single Position R...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$4,038.69
Milbank U5890–U5894 4 & 5 Terminal Ringless Meter Socket - Large Closing Plate, Dual Main Breaker Configurations

Milbank 320A Single Position Ringless Meter Socket with Dual Main Breakers - 1 Phase 240V Surface Mount

(No reviews yet) Write a Review

Model: U5890-X-2/200-BL

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

$4,038.69
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Milbank 320A Single Position Ringless Meter Socket with Dual Main Breakers - 1 Phase 240V Surface Mount

Professional electrical metering solution with dual main breaker configuration

The Milbank 320A Single Position Ringless Meter Socket delivers reliable electrical metering and distribution with dual main breaker configuration for enhanced load management. Featuring robust G90 galvanized steel construction with powder coat finish and Type 3R rating, this surface mount unit provides professional-grade performance for single phase 240V applications up to 320 continuous amperes.

Professional Features & Benefits

  • 320 Continuous Ampere Rating: Handles high-capacity electrical loads with reliable current carrying capacity for demanding applications.
  • Dual Main Breaker Configuration: Provides enhanced electrical distribution flexibility and load management options with two main breakers.
  • Type 3R UL Listed: Ensures code compliance and weather resistance for outdoor installations with professional safety standards.
  • G90 Galvanized Steel Construction: Delivers superior corrosion resistance and long-term durability with powder coat finish protection.
  • Lever Bypass Provision: Enables safe maintenance and service operations with convenient bypass functionality.
  • Multiple Cable Entry Options: Accommodates overhead, underground, and side wireway connections for versatile installation flexibility.
  • Large Closing Plate Design: Provides enhanced hub access and professional finished appearance for various connection requirements.

Technical Specifications

  • Amperage Rating: 320 Continuous Ampere
  • Barrel Lock Provision: 9/16 Inch Knockout and Angle Bracket for Barrel Lock Provision
  • Brand Name: Milbank
  • Bypass Provision: Lever Bypass
  • Cable Entry: Overhead and Underground and Side Wireway
  • Departent: Electrical
  • Equipment Ground: 3 Barrel Ground Lug
  • Frequency Rating: 60 Hertz
  • Hub Closing Plate: Large Closing Plate
  • Insulation: Glass Polyester
  • Line Side Wire Range: 6 AWG - 350 kcmil
  • Load Side Wire Range: 1 AWG - 300 kcmil
  • Number Of Main Breakers: 2
  • Number Of Meter Positions: 1 Position
  • Number Of Receptacles: 0
  • Phase: 1 Phase
  • Product Family Code: MMHD
  • Product Height: 35 IN
  • Product Material: G90 Galvanized Steel with Powder Coat Finish
  • Product Mounting: Surface Mount
  • Product Type: Ringless Meter Socket
  • Standard: UL Listed;Type 3R
  • Unspsc Number: 39121102
  • Voltage Rating: Up to 240 Volts Alternating Current

Professional Applications

  • Residential High-Capacity Service Entrances
  • Commercial Building Electrical Distribution
  • Multi-Unit Residential Properties
  • Light Industrial Facilities
  • Professional Office Buildings
  • Retail and Service Establishments
  • Municipal and Institutional Buildings

Why Choose Milbank Quality?

Milbank delivers proven reliability with UL Listed safety certification and Type 3R weather resistance rating. The robust G90 galvanized steel construction with powder coat finish ensures long-term durability and corrosion resistance, while glass polyester insulation provides professional-grade electrical performance for demanding applications.

Manufacturer Resources

Product Specs

Amperage Rating:
320 Continuous Ampere
Brand Name:
Milbank
Bypass Provision:
Lever Bypass
Cable Entry:
Overhead and Underground and Side Wireway
Equipment Ground:
3 Barrel Ground Lug
Frequency Rating:
60 Hertz
Hub Closing Plate:
Large Closing Plate
Insulation:
Glass Polyester
Line Side Wire Range:
6 AWG - 350 kcmil
Load Side Wire Range:
1 AWG - 300 kcmil
Number Of Main Breakers:
2
Number Of Meter Positions:
1 Position
Number Of Receptacles:
0
Phase:
1 Phase
Product Family Code:
MMHD
Product Height:
35 IN
Product Type:
Ringless Meter Socket
Standards:
UL Listed;Type 3R
Unspsc Number:
39121102
Voltage Rating:
Up to 240 Volts Alternating Current
Product Material:
G90 Galvanized Steel with Powder Coat Finish
Product Mounting:
Surface Mount
Amps:
320
Department:
Electrical
Product Subgroup:
Electrical
Insulation Type:
Glass Polyester
Hub Style:
Large Closing Plate
Installation Category:
Surface Mount
Number of Phases:
1
Product Details:
Ringless Meter Socket
Frequency:
60 hertz

Milbank U5890-X-2/200-BL – Frequently Asked Questions

1) Why does the Milbank 320A meter socket have two main breakers instead of one?
There is no single 320A residential main breaker in this format. Milbank builds the U5890 series with two main breakers, either 2x150A or 2x200A depending on the option ordered, and the metered 320A service splits between them. That gives you two separate feeders out of the can, so you can run one to the house panel and one to a shop, ADU, or HVAC subpanel without a separate distribution enclosure.
2) What size service entrance conductors can I land in a Milbank U5890 meter socket?
Line side terminals take 6 AWG through 350 kcmil, and the load side takes 1 AWG through 300 kcmil. For a 320A service that means 350 kcmil aluminum or parallel runs sized to your calculation will land on the line side, and each 200A breaker's load side accepts up to 300 kcmil. The U5894-X-2/200-K3L-5T9-MLK variant instead uses a single 4 to 600 kcmil connector on the line side if you are pulling larger conductor.
3) Can a Milbank ringless meter socket be installed outdoors?
Yes. The enclosure is UL Listed and rated Type 3R, which is the rain-tight rating utilities require for an outdoor wall-mounted service. Body is G90 galvanized steel with a powder coat finish for corrosion resistance, and it is a surface mount unit, so it hangs on the exterior wall rather than recessing into it.
4) What is the difference between the Milbank U5890, U5891, U5892 and U5894 meter sockets?
They are the same 320A dual-breaker socket with different distribution built in. U5890-X is the plain dual main breaker socket with no branch circuit space. U5891-X adds a load center. U5892-X carries 24 branch circuits. U5894-X has lever bypass with 12 branch circuits. Pick by how much branch distribution you want in the same can: none, a load center, 24 spaces, or 12 spaces with bypass.
5) Can I feed this Milbank meter socket from an underground service lateral, or does it need an overhead drop?
Either works. Cable entry is provisioned for overhead, underground, and side wireway, so the same can serves a weatherhead drop, a lateral from a pad-mount transformer, or a gutter feed from an adjacent enclosure. It uses a large closing plate at the hub opening, which gives you room to fit the hub size your service conductors call for.
6) What is a 5 terminal meter socket and do I need the Milbank U5894-X-2/200-K3L-5T9-MLK?
A 5 terminal socket adds a fifth jaw for the utility's current or voltage reference; most single phase 240V residential services are 4 terminal. Of the U5890 group, only U5894-X-2/200-K3L-5T9-MLK is the 5 terminal build, with the 5th terminal at the 9 o'clock position, lever bypass, a main lug kit, and a single 4 to 600 kcmil line connector. Order it only if your utility's spec sheet calls for 5 terminal at 9 o'clock, otherwise take one of the 4 terminal catalog numbers.
7) Should I order the 2x150A or the 2x200A Milbank U5890 meter socket?
Size the pair to the two loads you are feeding, not to the 320A meter rating. The 2x200A build (U5890-X-2/200) is the one to take when one side feeds a full 200A dwelling panel, which is most jobs. The 2x150A build (U5890-X-2/150) suits two smaller services, a duplex with 150A per side or a house plus a shop. Both sit under the same 320A continuous socket rating.
8) Does the Milbank 320A meter socket have a meter bypass so the utility can pull the meter under load?
Lever bypass is the bypass provision on this socket. Several catalog numbers call it out explicitly, including U5890-X-2/200-BL and the U5894-X group, which pairs lever bypass with branch circuit space. Many utilities require a lever bypass on 320A class self-contained sockets, so check the local utility's approved equipment list before you settle on a catalog number.
9) Does the Milbank U5890 socket accept a utility barrel lock or a padlock hasp?
Both, depending on the suffix you order. The enclosure has a 9/16 inch knockout and an angle bracket for a barrel lock provision. The -BL catalog numbers, such as U5890-X-2/200-BL and U5891-X-2/200-MLK-BL, ship with the barrel lock bracket. If your utility seals with a padlock instead, U5890-X-2/200-HSP comes with a stainless steel hasp.
10) How do I ground and bond a Milbank U5890 320A meter socket?
The socket comes with a 3 barrel ground lug for the equipment grounding and grounding electrode connections. Insulation on the current-carrying parts is glass polyester. Since this is service equipment ahead of the first disconnect, the neutral bonds to the enclosure here and the grounding electrode conductor lands on that ground lug.
How fast can I get the Milbank U5890-X-2/200-BL 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 U5890-X-2/200-BL come with a warranty?
Absolutely. The Milbank U5890-X-2/200-BL 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 U5890-X-2/200-BL?
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 U5890-X-2/200-BL from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!