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VT Packs™
Transformers are encased in one polycarbonate enclosure.
Single-Phase
3-Phase 3-Wire
3-Phase 4-Wire Wye
3-Phase 4-Wire Delta
Wiring Harness
Custom Harness Request Form
VersaPack™
General Revenue Metering. Individual transformers mounted to a backplane.
Single-Phase
3-Phase 3-Wire
3-Phase 4-Wire Wye
3-Phase 4-Wire Delta
AccuPack™
Multifunction Power Quality high accuracy Solid State Meters with separate metrology voltage circuits and meter power supply sources.
Single-Phase
3-Phase 3-Wire
3-Phase 4-Wire Wye
3-Phase 4-Wire Delta
PowerPack™ Voltage Source
Meter Adapters
Lightweight, TSTM’s meter adapters are designed to work with a variety of meters.
Single-Phase
3-Phase 3-Wire
3-Phase 4-Wire Wye
3-Phase 4-Wire Delta
K-Type
Sockets
When you use TSTM sockets and harnesses, you eliminate the likelihood of wiring errors.
Lever Bypass
Test Switch
TS-SCH-1 (special order only)
Enclosures
To avoid suiting up every time your utility workers work on a meter, 480 volts will need to come out of the meter cabinet.
Universal
Long Narrow
Auxiliary Transformers
Quickly gaining legendary status for reliability and power line carrier signal quality.
4824 - Aux (480-240 volt, 135 VA)
4812 - Aux (480-120 volt, 200 VA)
277/240/120 - Aux (multi-voltage, 135 VA)
4824-AUX-300 (480-240 volt, 300 VA)
PowerPuck 480/360/240/120 - Aux (100 VA)
VT Puck™ Powerline Carrier Communications
Accessories
Power & wire harnesses, mounting kits & brackets, jumper plugs, connector covers, and much more.
WH - Aux -1 (Harness Auxiliary Device 125VA)
WH - JP Harness Jumper Plug
Standard Wiring Harness
External Mounting Kit
Backplane
Connector Cover
Terminal Strip
L Bracket - VT Puck
Gasket Hub Kit - Universal or Long Enclosure
Education
Why TSTM?
Why a VT Pack™?
Which VT Pack™?
VT Pack™ Dimensions and Mounting Hole Pattern
Sensus® Meter (not AMI) Users Alert
Safety
VT Pack Installation
Grounding Demo
FAQs
Hazards Of Using Self-Contained Meters As Disconnect Switches
Applications
VT Packs™
Wiring Harness Schematic
VersaPack™
AccuPack™
Adapter Table
Product Sheets
Download Product Sheets
News
Calendar
About
Company
About TSTM
Product Warranty
Contact
Agents & Distributors
Contact Us
Request a Quote
Home
Products
VT Packs™
Transformers are encased in one polycarbonate enclosure.
Single-Phase
3-Phase 3-Wire
3-Phase 4-Wire Wye
3-Phase 4-Wire Delta
Wiring Harness
Custom Harness Request Form
VersaPack™
General Revenue Metering. Individual transformers mounted to a backplane.
Single-Phase
3-Phase 3-Wire
3-Phase 4-Wire Wye
3-Phase 4-Wire Delta
AccuPack™
Multifunction Power Quality high accuracy Solid State Meters with separate metrology voltage circuits and meter power supply sources.
Single-Phase
3-Phase 3-Wire
3-Phase 4-Wire Wye
3-Phase 4-Wire Delta
PowerPack™ Voltage Source
Meter Adapters
Lightweight, TSTM’s meter adapters are designed to work with a variety of meters.
Single-Phase
3-Phase 3-Wire
3-Phase 4-Wire Wye
3-Phase 4-Wire Delta
K-Type
Sockets
When you use TSTM sockets and harnesses, you eliminate the likelihood of wiring errors.
Lever Bypass
Test Switch
TS-SCH-1 (special order only)
Enclosures
To avoid suiting up every time your utility workers work on a meter, 480 volts will need to come out of the meter cabinet.
Universal
Long Narrow
Auxiliary Transformers
Quickly gaining legendary status for reliability and power line carrier signal quality.
4824 - Aux (480-240 volt, 135 VA)
4812 - Aux (480-120 volt, 200 VA)
277/240/120 - Aux (multi-voltage, 135 VA)
4824-AUX-300 (480-240 volt, 300 VA)
PowerPuck 480/360/240/120 - Aux (100 VA)
VT Puck™ Powerline Carrier Communications
Accessories
Power & wire harnesses, mounting kits & brackets, jumper plugs, connector covers, and much more.
WH - Aux -1 (Harness Auxiliary Device 125VA)
WH - JP Harness Jumper Plug
Standard Wiring Harness
External Mounting Kit
Backplane
Connector Cover
Terminal Strip
L Bracket - VT Puck
Gasket Hub Kit - Universal or Long Enclosure
Education
Why TSTM?
Why a VT Pack™?
Which VT Pack™?
VT Pack™ Dimensions and Mounting Hole Pattern
Sensus® Meter (not AMI) Users Alert
Safety
VT Pack Installation
Grounding Demo
FAQs
Hazards Of Using Self-Contained Meters As Disconnect Switches
Applications
VT Packs™
Wiring Harness Schematic
VersaPack™
AccuPack™
Adapter Table
Product Sheets
Download Product Sheets
News
Calendar
About
Company
About TSTM
Product Warranty
Contact
Agents & Distributors
Contact Us
Request a Quote
Improving Safety And Revenues Through More Accurate And Reliable Electrical Metering
Latest from TSTM
Old Hat Transformers?
TSTM's incredible AccuPack™ replaces "old-hat" VT's.
Read More
Electric Utility Industry Support
TSTM Agents and Stocking Distributors are your resource for products and support with decades of knowledge and experience.
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In 25 years, we've come a long way through innovation.
We're celebrating 25 years providing products for safer, more reliable and accurate metering, metering-application knowledge, and technical support for electric utilities, industrial applications, and agricultural installations.
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A Swiss Army Knife of Voltage Transformers
Our PowerPuck gives you the choice of voltage output making it the right choice for many applications.
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When You're Smiling...The Whole World Smiles With You!
When your operation reduces 480v metering voltage to safer, more manageable levels, all kinds of wonderful things happen.
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We Can Hunker Down. But We Can't Go Dark!
Safety - and the elimination of unnecessary risk to workers - has always been TSTM's mission.
Read More
Conferences
SWEMA (Southwest Electric Meter Association )
SWEMA Bryan, TX Brazos County Expo
Oct
25
-
Oct
29
Minnesota Power Systems Conference ( MIPSYCON ) - Virtual
Virtual Event
Nov
2
-
Nov
4
South Dakota Meter School
SDREA Meter School 2021
Dec
14
-
Dec
16
View Schedule