Meter Sockets

Austin Energy Approved Meter Sockets

Specifications for electric meter types by manufacturer are provided below.

Self-Contained Meter Enclosures
Meter Socket Description Approved Manufacturers
1. Single Phase

A. 200 amp Self-Contained Meter Socket 

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) less than or equal to 225 amps.

Single phase, 3 Wire, CL200, 4 terminals, ring-less type and equipped with lever by-pass in accordance with AE specification E-1001 (pdf). 225 amp maximum breaker/disconnect. Applicable to commercial and non-commercial meter installations.

Service Voltage: 120V, 277V, 120/240V, and 240/480V
 

Eaton/Durham
1006352C-CH
UTE4213BCH
1006352C-SQD
1006352C
1006352C-MEP

Milbank
4888-XL

Siemens
40404-025F

Texas Meter Device
601U43W1B41-B20A00

B. 200 amp Self-Contained Meter Socket

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) less than or equal to 225 amps.

Single phase, 3 wire, CL200, 5 terminals, ring-less type  equipped with lever by-pass in accordance with AE Specification E-1001 (pdf). 225 amp maximum breaker and disconnect. Applicable to commercial and non-commercial meter installations.

Service Voltage: 120/208V and 480V

For 120/208V service, for 5-terminal sockets, the 5th terminal shall be factory installed by the manufacturer. Kit for 5th terminal is unacceptable.

Eaton
UTH 5213 CCH

Midwest
UGTH4213CMEP

Milbank
U4801-XL-5T9

Siemens
40405-025F

Square D
UTH5213T

Texas Meter Device
601U43W1B51-B20A00

C. 320 amp Self-Contained Meter Socket

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) less than or equal to 350 amps.

Single phase, 3 wire, CL320, 4 terminals, ring-less type  equipped with lever by-pass in accordance with AE Specification E-1045 (pdf). 350 amp maximum breaker and disconnect. Applicable to commercial and non-commercial meter installations.

For 120/208V service, for 5-terminal sockets, the 5th terminal shall be factory installed by the manufacturer. Kit for 5th terminal is unacceptable.

Service Voltage: 120/240V

Eaton/Durham
1010468
1010468-CH
1010468-SQD 
1010468-MEP
UTH4336-9T-CH

Milbank
U4738-X-2-K3

Siemens
47704-02

Talon
48104-82CC

Texas Meter Device
601U47W1B42-B32A00

D. 320 amp Self-Contained Meter Socket

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) less than or equal to 350 amps.

Single phase, 3 wire, CL320, 5 terminals, ring-less type  equipped with lever by-pass in accordance with AE Specification E-1045 (pdf). 350 amp maximum breaker and disconnect. Applicable to commercial and non-commercial meter installations.

Service Voltage: 120/240V

Milbank
U4738-X-2/K3-5T9

Siemens
47705-02FL

Texas Meter Device
601U47W1B52-B32A00

2. Three Phase

A. 200 amp Self-Contained Meter Socket

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) less than or equal to 225 amps

Three phase, 4 wire, CL200, 7 terminals, ring-less type and equipped with lever by-pass in accordance with AE specification E-1002 (pdf). 225 amp maximum breaker/disconnect. Applicable to commercial and non-commercial meter installations.

Service Voltage: 120/208V, 120/240V, and 277/480V

Eaton/Durham
1006353C
1006353C-CH
1006353C-SQD
1006353C-MEP

Milbank
U4788-XL

Siemens
42507-025

Texas Meter Device
601U43W1B71-B20A00

B. 320 amp Self-Contained Meter Socket

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) less than or equal to 350 amps

Three phase, 4 wire, CL320, 7 terminals, ring-less type and equipped with lever by-pass. AE Specification (pending). 350 amp maximum breaker/disconnect. Applicable to commercial and non-commercial meter installations.

Service Voltage: 120/208V, 120/240V, and 277/480V

Please note: Three Phase CL320 meter enclosures
are not approved for use at this time.

3. Modular Metering: Meter pak equipment and modular metering equipment (Single-Phase or Three-Phase application)
Modular Metering Equipment in accordance with AE Specification E-1589 (pdf)

Customer must provide the following:

Customer shall obtain written approval from Austin Energy Advanced Metering Systems & Engineering prior to procurement.

 

Transocket(s) Instrument-Rated Meter Enclosures
Meter Socket Description Approved Manufacturers
1. Single Phase

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) of 400 amps or 600 amps

Instrument Rated (IR) Transocket. Single phase, 6 terminal meter socket prewired to a 6 pole test switch, (2) 600:5, bar-type Current Transformers (CTs) with a rating factor (RF) of 1.5 @ 55 deg C., with factory-installed double lug connectors.

Service Voltage: 120/240V, 600 amp maximum disconnect only

Milbank
S3831-XT-600-51-AE

Texas Meter Device
TMD-600-4-AE

2. Three Phase

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) of 400 amps or 600 amps

Instrument Rated (IR) Transocket. Three phase, 13 terminal meter socket prewired to a 10 pole test switch, (3) 600:5, Bar-type Current Transformers (CTs) with a rating factor (RF) of 1.5 @ 55 deg C., with factory-installed double lug connectors.

Service Voltage:
120/208V, 120/240V, and 277/480V, 600 amp maximum disconnect only

For 277/480V services, the customer is required to purchase a Voltage Transformer (VT) enclosure, VT Pack, and a VT Harness. Austin Energy will install the VT Pack and VT Harness.

Milbank
S2674-XT-600-91-AE

Texas Meter Device
TMD-600-9-AE

 

Instrument-Rated Meter Enclosures
Meter Socket Description Approved Manufacturers
1. Single Phase

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) greater than 600 amps

 

Instrument Rated (IR) Socket. Single phase, 3 wire, 6 terminal with prewired test switch in accordance with AE Specification E-1565 (pdf). Applicable to commercial and non-commercial IR meter installations.

Service Voltage: 120/240V

Milbank
UC-4666-0-WCB-21

Eaton/Durham
STL6-1A433-CH
STL6-1A433-SQD
STL6-1A433
STL6-1A433-MEP

Tesco
9070451

Texas Meter Device
602U3010A6-1555

2. Three Phase

For services with a maximum manufacture nameplate handle(s) rating or breaker(s) greater than 600 amps

A. Instrument Rated (IR) Socket. Three phase, 4 wire, 13 terminals with prewired test switch in accordance with AE specification E-1566 (pdf). Applicable to commercial and non-commercial IR meter installations.

Service Voltage: 120/208V and 120/240V

Milbank
UC4662-0-WCB-21-AE

Eaton/Durham
STL13-1A120-CH
STL13-1A120-SQD
STL6-1A120
STL13-1A120-MEP

Tesco
9070577

Texas Meter Device
602U3010A13-1556

B. Instrument Rated (IR) Socket. Three phase, 4 wire, 13 terminals with prewired test switch with provisions for a customer provided Voltage Transformer (VT) Pack. In accordance with AE Specification E-1567 (pdf). Applicable to commercial and non-commercial IR meter installations.

 

Austin Energy will install the customer provided Voltage Transformer (VT) pack – required for 277/480V services.

Milbank
SC-4832-XL-WCB-21

Texas Meter Device
622-8085A13-1753

 

 

Special Notice About Delays in Meter Sockets as of July 27, 2021

New orders for meter sockets are taking 18-20 weeks for delivery to local supply warehouses due to materials and labor shortages that have affected production efforts at the factory. 

Temporary Workaround Process

If you are unable to locate the required meter socket with the locking jaw lever bypass, please:

  • Email Austin Energy Distribution Metering to request temporary approval for a proposed replacement part.
  • Include the cutsheet and photo of the proposed replacement meter socket with locking jaw lever bypass.

Approvals on replacements are temporary until stock levels have increased in local supply warehouses.

Contact Us

Austin Energy Distribution Metering Operations

Contact for: Metering equipment and information, CT inspections, and general metering questions

Advanced Metering Systems and Engineering

Contact for: Modular metering and requests, solar variances, metering specifications, and general advanced metering questions

Date last reviewed or modified: 6/22/22

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