Technical Data Bulletin

ManualsBrandsSquare D ManualsElectrical125-Amp Ringless Overhead/Underground Meter Socket

2-3

schneider-electric.us

Horizontal Ganged, Test Block Bypass

Sockets and Accessories

Meter Sockets

Class 4131 / Refer to Catalog 4100CT0701

Horizontal Ganged Meter Sockets

UT2R1121B

•

1Ø, 600 Vac max., main lugs only, 2 through 6 meter positions, with and without

horn or lever bypass, end or center feed, overhead and underground service feeds.

•

10 kA short circuit current rating (or higher with utility approval).

•

UL Listed, NEMA 3R enclosure.

•

Supplied with ground lugs.

•

Supplied with hub opening in top endwall, requires the use of a bolt-on hub, or closing

plate.

This metering is generally utility specific. Always check with local utility company

before installing. Contact your nearest Field Sales Office for additional catalog

numbers, if required by utility.

Table 2.2: Ringless Type, 1Ø3W, 600 Vac Max., Without Bypass or Jaw Release

Branch Ratings

Mains

Rating

(A)

Cat. No.

Main Lugs

Phase and Neutral

Al/Cu

(AWG/kcmil)

Branch Lugs

Phase and Neutral

Al/Cu (AWG)

Top Endwall [12]

Box No. [13]

Amperes

[14]

No. of

Positions

Socket

Jaw

Qty. [15]

Service

Type

Hub Type

(Order

Separately)

Closing Plate

(Order

Separately)

100 A

4 OH/UG

200 UT2R1121B 6–250

8–2/0 Series A ACP

13R

3 205 UT3R1121B 6–250 13R1

4 205 UT4R1131B 6–350 14R

5 250 UT5R1131B 6–350 15R

6 300 UT6R1131B 6–350 16R

200 A

4 OH/UG

205 UT2R2122B 6–250

8–250

Series A ACP 17R

4 360 UT4R2352T 1/0–500 Series A-L ACPL 18R

5 500 UT5R2392TU

1/0–500 or

Series A-L ACPL 19R

(2)1/0–350

6 620 UT6R2392TU

1/0–500 or

Series A-L ACPL 20R

(2)1/0–350

Meter Mains with Test Block Bypass

EMT3225CB

EMT1225CB

Without Covers

Table 2.3: Ring Type, 1Ø3W and 3Ø4W, Meter Main with Test Block Bypass (Meets

EUSERC Requirements)

System (Incoming)

and

Service (Outgoing)

Meter

Socket

Type

Ampere

Rating

(Max.)

Short

Circuit

Current

Rating

Cat. No. [13][16]

Main Circuit Breaker Type

(Order Separately) [17]

120/240 Vac 1Ø3W 5-Jaw 225 A

100 kA

max.

EMT1225CB

2P Type QB, QD, QG, QJ

(QO, QO-VH, QOH) [18]

208Y/120 Vac 3Ø4W[19]

240/120 Vac 3Ø4W

Delta

7-Jaw 225 A 65 kA max. EMT3225CB

3P Type QB, QD, QG or QJ

Table 2.4: EMT Terminal Wire Size [20]

Line Phase Lug Line Neutral Lug Service Ground Lug Equipment Ground Lug Load Neutral Lug

6 AWG–300 kcmil

Al/Cu

6 AWG–350 kcmil

Al/Cu

4 AWG–300 kcmil

Al/Cu

6 AWG–300 kcmil

Al/Cu

4 AWG–300 kcmil

Al/Cu

Meter Socket Accessories

Table 2.5: Adapter Plate, Lug Kits,

and Sealing Rings

Accessory Description

Cat. No.

Adapter

Plate

To allow the use of a Series A Hub on a

device that is setup for a series A-L

Hub.

AAP

Lug Kits

For use on meter sockets supplied with Line, Load, and

Neutral Studs only. Be sure to order enough lugs for

each device (a typical 1Ø device requires 6 lugs).

Includes one, two-barrel lug (6-250

kcmil)

ARP00118

Includes one, single barrel lug (4-600

kcmil)

ARP00129

Includes three, two-barrel lugs (6-350

kcmil)

ARP00427

Sealing

Ring

Snap-on Aluminum (Standard)

2920910001

Snap-on Stainless Steel (Non-standard)

ARP00026

Screw Type Aluminum (Non-standard)

29008W

Table 2.6: Fifth-Jaw Kit, Closing Plates, and Hubs

Accessory Description

Cat. No.

Fifth-Jaw Kit

Converts a 4-jaw meter socket to a 5-jaw meter socket. For use on

meter sockets supplied without lever bypass or jaw release only.

A5J

Closing Plates

(to seal hub openings)

For Series A (steel)

ACP

For Series A (aluminum)

ACPA

For Series A-L (steel)

ACPL

For Series A-L (aluminum)

ACPLA

Hubs

(listed by

conduit size)

Series A

1.00 inch A100

1.25 inch A125

1.50 inch A150

2.00 inch A200

2.50 inch A250

Series A-L

2.00 inch A200L

2.50 inch A250L

3.00 inch A300L

3.50 inch A350L

4.00 inch A400L

Series B 3.00 inch B300

METERING EQUIPMENT

[12] For hubs and closing plates, see page 2-3.

[13] For box dimensions, see page 2-4

[14] Rating is continuous.

[15] Fifth jaw kit available to convert 4-jaw socket to a 5-jaw socket. See page 2-3.

[16] Supplied with bondable neutral, suitable for use as service equipment , suiteable for overhead or underground service. UL Listed E6294.

[17] See page 2-21 to select main circuit breaker.

[18] Requires use of an EZM125QOA adapter (order separately), when using QO (40 A–125 A, 2-pole) 10 kA max. SCCR, QO-VH (40 A–60 A, 2-pole) 22 kA max. SCCR, or QOH (40 A–60 A,

2-pole) 42 kA max. SCCR.

[19] 100 kA max.

[20] Refer to circuit breaker listings for usable load lug wire sizes.

5/15/2019