DistributorSouthwire

Milbank

4 TERM RNGLS PLAIN TOP 3 POS GND 2 POS GND SGNL POS GND LVR BYPS SGL CONN LKG 4-600KCMIL DBL CONN LKG 6-350KCMIL

Milbank #
U1129-O-K3L-K2L
UPC
784572301924

4 Terminal Ringless Plain Top Lever Bypass Single Connector Locking 4-600kcmil Double Connector Locking 6-350kcmil Top Facing Socket

List price

$12,869.71 MXN + VAT

Price before IVA$12,869.71 MXN
Total incl. 16% IVA$14,928.86 MXN
Total incl. 8% IVA (border region)$13,899.29 MXN

Converted from USD $714.48 at the 10/08/2026 reference exchange rate (18.0127 MXN per dollar). Shipping not included; we confirm price and availability in your quote.

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Specifications

Amperage Rating320 Continuous Ampere320 Continuous Ampere
ApplicationMeter SocketMeter Socket
Bypass ProvisionLever BypassLever Bypass
Cable EntryUndergroundUnderground
Main Breaker SizeNo Main BreakerNo Main Breaker
MaterialG90 Galvanized Steel with Powder Coat FinishG90 Galvanized Steel with Powder Coat Finish
Equipment Ground3 Barrel Ground Lug3 Barrel Ground Lug
Frequency Rating60 Hertz60 Hertz
Hub/Closing PlatePlain TopPlain Top
InsulationGlass PolyesterGlass Polyester
Number of Jaws4 Terminal4 Terminal
KnockoutsTrueTrue
Line Side Wire Range4 AWG - 600 kcmil or Two 1/0 AWG - 250 kcmil4 AWG - 600 kcmil or Two 1/0 AWG - 250 kcmil
Load Side Wire RangeTwo 6 AWG - 350 kcmilTwo 6 AWG - 350 kcmil
MountingSurface MountSurface Mount
Number of Main Breakers00
Number of Meter Positions1 Position1 Position
Number Of Receptacles00
Phase1 Phase1 Phase
Size4.875L x 15W x 30H4.875L x 15W x 30H
StandardUL Listed;Type 3RUL Listed;Type 3R
TerminalSingle MechanicalSingle Mechanical
TypeRingless Meter SocketRingless Meter Socket
Voltage Rating600 Volts Alternating Current600 Volts Alternating Current
Height30 in76.2 cm
Length4.875 in12.4 cm
Width15 in38.1 cm