<>
![]()
Since 1972
Protection Doesn't Cost ... It Pays !
. .. Ancient
Abyssinian Proverb
![]()
![]()
![]()
![]()
![]()
![]()
|
Twist-Lock®
|
| <> Socket Mount Models shown | Take me directly to Model Numbers & Prices |
| <> Line Cord Models available |
Need temporary 3-Phase Power ?
|
* Twist-Lock® is a registered trademark of Hubbell Incorporated
We have Hundreds of
Conversion & Protection
Products
See them
Here
U.S.
to U.S. Voltage Converters
Check
Site Map
(Note)
For 115 Volt 15 & 20 Amp
flat blade plug (NEMA 5-15 & 5-20) Protection Check Here
For 230 Volt 15 & 20 Amp
flat blade plug (NEMA 6-15 & 6-20) Protection Check Here
For Wire-in 15, 20 & 30 Amp
Protection Check Here
For AC NEMA Twist Lock L6-15, L6-20, L6-30
Plug/Socket Configurations
Check Here
Check Twist-Lock* Socket Outlines HERE
! !
Printer Friendly
Flat-Blade & Twist-Lock Configuration Charts (PDF) ....
Application Note - NEMA
flat blade AC Power Plugs & Sockets
Application Note - NEMA Twist Lock AC Power Plugs & Sockets
![]()
NOW AVAILABLE
High Performance Filter-Suppressors and Suppressor Systems
for
NEMA (U.S.) approved Twist-Lock® AC Connector family
All Models - 58,500 Surge Amp Suppressor Protection
Model
Numbers and
Prices
for Electronic Specialists Extended family of NEMA
Twist-Lock®
products
Basic Suppressor
Grade
<> 58,500 Surge Amp Industrial
Protection
Commercial Grade
<> Balanced-Pi Interference Filter &
58,500 Surge Amp Protection
Industrial Grade <>
Dual Balanced-Pi Interference Filter & 58,500 Surge Amp Protection
Laboratory Grade
<> Quad Balanced-Pi Interference
Filter & 58,500 Surge Amp Protection
![]()
Check
Specifications
![]()
Over 75 Models Twist-Lock®
Hi-Performance Protection
Units plug directly
into NEMA Twist-Lock® wall socket.
Connect equipment NEMA plug to
Twist-Lock® socket
Check Twist-Lock* Socket Outlines HERE ! !
NEMA Safety design
PREVENTS
plug/outlet interchange between
current or voltage ratings
DO NOT ATTEMPT TO MODIFY UNITS ! !
Twist-Lock® Basic
Protection
- - - Suppressor
only
Maximum
Lightning & Surge Suppression
Match your Twist-Lock® Connector NEMA # with NEMA # column
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L5-15 | TP-515 | 125 | 15 Amps | $160 |
| L5-20 | TP-520 | 125 | 20 Amps | 180 |
| L5-30 | TP-530 | 125 | 30 Amps | 200 |
| L6-15 | TP-615 | 250 | 15 Amps | 170 |
| L6-20 | TP-620 | 250 | 20 Amps | 185 |
| L6-30 | TP-630 | 250 | 30 Amps | 205 |
|
|
||||
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L10-20 | TP-1020 | 125/250; 2 Phase | 20 Amp | $235 |
| L10-30 | TP-1030 | 125/250; 2 Phase | 30 Amp | 275 |
| L11-15 | TP-1115 | 250; 3 Phase - Delta | 15 Amp | 285 |
| L11-20 | TP-1120 | 250; 3 Phase - Delta | 20 Amp | 340 |
| L11-30 | TP-1130 | 250; 3 Phase - Delta | 30 Amp | 375 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L14-20 | TP-1420 | 125/250; 2 Phase | 20 Amp | $230 |
| L14-30 | TP-1430 | 125/250; 2 Phase | 30 Amp | 280 |
| L15-20 | TP-1520 | 250; 3 Phase - Delta | 20 Amp | 275 |
| L15-30 | TP-1530 | 250; 3 Phase - Delta | 30 Amp | 360 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L18-20 | TP-1820 | 120/208; 3 Phase Wye; 4 Wire | 20 Amp | $300 |
| L18-30 | TP-1830 | 120/208; 3 Phase Wye; 4 Wire | 30 Amp | 355 |
| L21-20 | TP-2120 | 120/208; 3 Phase Wye; 5 Wire | 20 Amp | 330 |
| L21-30 | TP-2130 | 120/208; 3 Phase Wye; 5 Wire | 30 Amp | 375 |
Line Cord Models -
Same Price
ADD "AC" before Model
# - i.e. TP-2130 becomes AC-TP-2130
Check Twist-Lock* Socket Outlines HERE ! !
Also View ....
Commercial
Grade
<> Industrial
Grade <> Laboratory Grade
Twist-Lock®
Protect Models
![]()
Check
Specifications
![]()
Twist-Lock® Commercial
Grade
Filter-Suppressor Equipment Protection
Commercial Grade electrical noise and RFI interference filter
(100 Khz to 250 Mhz Noise Interference Suppression)
Maximum Surge
suppressor / Lightning Arrester
Engineering
and machine applications
Match your Twist-Lock® Connector NEMA # with NEMA # column
Check Twist-Lock* Socket Outlines HERE
! !
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L5-15 | TP/FL-515 | 125 | 15 Amp | $175 |
| L5-20 | TP/FL-520 | 125 | 20 Amp | 195 |
| L5-30 | TP/FL-530 | 125 | 30 Amp | 225 |
| L6-15 | TP/FL-615 | 250 | 15 Amp | 190 |
| L6-20 | TP/FL-620 | 250 | 20 Amp | 205 |
| L6-30 | TP/FL-630 | 250 | 30 Amp | 225 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L10-20 | TP/FL-1020 | 125/250; 2 Phase | 20 Amp | $285 |
| L10-30 | TP/FL-1030 | 125/250; 2 Phase | 30 Amp | 325 |
| L11-15 | TP/FL-1115 | 250; 3 Phase - Delta | 15 Amp | 335 |
| L11-20 | TP/FL-1120 | 250; 3 Phase - Delta | 20 Amp | 390 |
| L11-30 | TP/FL-1130 | 250; 3 Phase - Delta | 30 Amp | 425 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L14-20 | TP/FL-1420 | 125/250; 2 Phase | 20 Amp | $280 |
| L14-30 | TP/FL-1430 | 125/250; 2 Phase | 30 Amp | 330 |
| L15-20 | TP/FL-1520 | 250; 3 Phase - Delta | 20 Amp | 335 |
| L15-30 | TP/FL-1530 | 250; 3 Phase - Delta | 30 Amp | 430 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L18-20 | TP/FL-1820 | 120/208; 3 Phase Wye; 4 Wire | 20 Amp | $365 |
| L18-30 | TP/FL-1830 | 120/208; 3 Phase Wye; 4 Wire | 30 Amp | 420 |
| L21-20 | TP/FL-2120 | 120/208; 3 Phase Wye; 5 Wire | 20 Amp | 395 |
| L21-30 | TP/FL-2130 | 120/208; 3 Phase Wye; 5 Wire | 30 Amp | 440 |
Line Cord Models -
Same Price
ADD "AC" before Model
# - i.e. TP/FL-2130 becomes AC-TP/FL-2130
Check Twist-Lock* Socket Outlines HERE ! !
Also View ....
Basic Suppressor Grade <> Industrial
Grade <> Laboratory Grade
Twist Protect Models
![]()
Check
Specifications
![]()
![]()
Twist-Lock® Industrial
Grade
Filter-Suppressor Equipment Protection
Industrial Grade electrical noise interference filter
25 Khz to 250 Mhz Noise Interference Suppression
Maximum
Spike and Surge suppression
Widely
used in automation installations
Match your Twist-Lock® Connector NEMA # with NEMA # column
Check Twist-Lock* Socket Outlines HERE
! !
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L5-15 | TP/SFL-515 | 125 | 15 Amp | $190 |
| L5-20 | TP/SFL-520 | 125 | 20 Amp | 210 |
| L5-30 | TP/SFL-530 | 125 | 30 Amp | 250 |
| L6-15 | TP/SFL-615 | 250 | 15 Amp | 210 |
| L6-20 | TP/SFL-620 | 250 | 20 Amp | 225 |
| L6-30 | TP/SFL-630 | 250 | 30 Amp | 255 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L10-20 | TP/SFL-1020 | 125/250; 2 Phase | 20 Amp | $335 |
| L10-30 | TP/SFL-1030 | 125/250; 2 Phase | 30 Amp | 375 |
| L11-15 | TP/SFL-1115 | 250; 3 Phase - Delta | 15 Amp | 385 |
| L11-20 | TP/SFL-1120 | 250; 3 Phase - Delta | 20 Amp | 440 |
| L11-30 | TP/SFL-1130 | 250; 3 Phase - Delta | 30 Amp | 465 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L14-20 | TP/SFL-1420 | 125/250; 2 Phase | 20 Amp | $330 |
| L14-30 | TP/SFL-1430 | 125/250; 2 Phase | 30 Amp | 380 |
| L15-20 | TP/SFL-1520 | 250; 3 Phase - Delta | 20 Amp | 395 |
| L15-30 | TP/SFL-1530 | 250; 3 Phase - Delta | 30 Amp | 495 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L18-20 | TP/SFL-1820 | 120/208; 3 Phase Wye; 4 Wire | 20 Amp | $430 |
| L18-30 | TP/SFL-1830 | 120/208; 3 Phase Wye; 4 Wire | 30 Amp | 480 |
| L21-20 | TP/SFL-2120 | 120/208; 3 Phase Wye; 5 Wire | 20 Amp | 460 |
| L21-30 Photo | TP/SFL-2130 | 120/208; 3 Phase Wye; 5 Wire | 30 Amp | 505 |
Line Cord Models -
Same Price
ADD "AC" before Model
# - i.e. TP/SFL-2130 becomes AC-TP/SFL-2130
Check Twist-Lock* Socket Outlines HERE ! !
Also View ....
Basic Suppressor Grade
<> Commercial
Grade <> Laboratory Grade
![]()
Check
Specifications
![]()
Twist-Lock® Protect Models
Twist-Lock® Laboratory
Grade
Filter-Suppressor Equipment Protection
Laboratory Grade electrical noise interference filter
(10 Khz to 250 Mhz Noise Interference Suppression)
Maximum
Transient Surge suppression
Ideal
for Instrumentation Systems
Match your Twist-Lock® Connector NEMA # with NEMA # column
Check Twist-Lock* Socket Outlines HERE
! !
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L5-15 | TP/MFL-515 | 125 | 15 Amp | $210 |
| L5-20 | TP/MFL-520 | 125 | 20 Amp | 230 |
| L5-30 | TP/MFL-530 | 125 | 30 Amp | 285 |
| L6-15 | TP/MFL-615 | 250 | 15 Amp | 240 |
| L6-20 | TP/MFL-620 | 250 | 20 Amp | 255 |
| L6-30 | TP/MFL-630 | 250 | 30 Amp | 285 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L10-20 | TP/MFL-1020 | 125/250; 2 Phase | 20 Amp | $420 |
| L10-30 | TP/MFL-1030 | 125/250; 2 Phase | 30 Amp | 465 |
| L11-15 | TP/MFL-1115 | 250; 3 Phase - Delta | 15 Amp | 485 |
| L11-20 | TP/MFL-1120 | 250; 3 Phase -Delta | 20 Amp | 540 |
| L11-30 | TP/MFL-1130 | 250; 3 Phase - Delta | 30 Amp | 560 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L14-20 | TP/MFL-1420 | 125/250; 2 Phase | 20 Amp | $430 |
| L14-30 | TP/MFL-1430 | 125/250; 2 Phase | 30 Amp | 480 |
| L15-20 | TP/MFL-1520 | 250; 3 Phase - Delta | 20 Amp | 525 |
| L15-30 | TP/MFL-1530 | 250; 3 Phase - Delta | 30 Amp | 605 |
| NEMA # | Model | Volts | Current | Price (U.S. $) |
| L18-20 | TP/MFL-1820 | 120/208; 3 Phase Wye; 4 Wire | 20 Amp | $530 |
| L18-30 | TP/MFL-1830 | 120/208; 3 Phase Wye; 4 Wire | 30 Amp | 605 |
| L21-20 | TP/MFL-2120 | 120/208; 3 Phase Wye; 5 Wire | 20 Amp | 590 |
| L21-30 | TP/MFL-2130 | 120/208; 3 Phase Wye; 5 Wire | 30 Amp | 635 |
Line Cord Models -
Same Price
ADD "AC" before Model
# - i.e. TP/MFL-2130 becomes AC-TP/MFL-2130
Check Twist-Lock* Socket Outlines HERE ! !
Also View ...
Basic Suppressor Grade <> Commercial
Grade <> Industrial
Grade
Twist-Lock® Protect Models
![]()
Check
Specifications
![]()
* Twist-Lock® is a registered trademark of Hubbell Incorporated

![]()
Suggest This Page to a Colleague <> Click Here
![]()
?? Answers to Hundreds of Hi-Tech Equipment Protection Questions - Click Here
![]()
View a recent copy of our Newsletter
![]()
Other Popular Pages on this site:
Check Them Out ! !
LapTop <>
Travel <>
Modem/Phone <>
Automation
![]()
STORM WARNING !!
Surges, Spikes and Interference
Damage
play no Favorites ! !
Studies Show ...................
Winter Storms Cause More
Wild Power, phone line outages, surges,
spikes and interference
than Summer Storms
On the other hand, There are more Summer Storms
![]()
Discover the Security offered by . . . . .
Visit our other great Equipment
Protection Departments........
(Check the many categories in TABLE BELOW)
Discover High Performance protection solutions for your factory / office / home
Oh Yeah ! Don't forget to check out our FREE stuff
Software Books
.... Technical, Computer
NEMA 6-15, 615, 6-20, 620
Video Guard Hum Buckers Video Guard
Hum Buckers Video Guard
Hum Buckers Variable / Adjustable
Transformers
We Now Offer Software
Check 1,000's of
Books
Catalog Sheets -
Ferroresonant
Voltage
Regulators
Precision Variac
Voltage Regulators
....... Stepper
Motor
Voltage Regulators
......Hi-Power
Voltage Regulators
Dial Up Modem
Speed-up & Telecommunications
Protection Systems
RJ-11, RJ11, RJ-21, RJ21, RJ-45, RJ45
Screw Terminals <> Wire-In
<>
DSL Cable
Modems )x4b(
Speed-up, Isolation,
Intermittent Cable Sync
& Protectors Systems
Voltage
Regulation -
extends UPS operating
Voltage Range
.... Engineering,
Photography, UtilitiesNetworks,
Data Line , Controller Protection
RS-232, RS232, RS-422, RS422, RS-485, RS485
DB-9, DB9, DB-15, DB15, DB-25, DB25, Wire-in
RJ-11, RJ11, RJ-45, RJ45, 10Base-T, 100Base-T
Automation, Instrumentation Protectors
AC Power Line
Protection 220-250 Volts
...... Commercial
...
Industrial and
.. Laboratory
& Basic Grades Multiple
circuit
Relay Rack Mount
Modem / Phone / Telco Protection Networks, Data Line, Controller Banks
Relay Rack
Mount--Multiple Line Systems
Process Control and Automation
Direct Plug
AC Power Protection
with built in Modem ProtectorDual Function
- Direct Plug AC Power
and Modem ProtectorsDual Function
- Direct Plug AC Power
and Network Protectors
AC Power Line
Protection 120 Volts
...... Commercial
...
Industrial,
.. Laboratory
& Basic Grades
International too !
NEMA 5-15, 515, 5-20, 520Phone System
Protection
and Interference Control
Modular plugs, sockets
RJ-11, RJ11, RJ-21, RJ21, RJ-45, RJ45 Audio-Video
System Protection
Cameras, Monitors, Displays, Amplifiers
50 / 75 ohm, RG-6, RG6, RG-58, RG58, RG-59
RG59, RG-62, RG62, RCA, PL-259, BNC, UHF
Wire-in AC Power Line Filter-Suppressor
Wire Leads <> Screw Terminals
Solder Lugs <> Push-on Tabs
Retrofit and OEM applications
DIN
RAIL Mount
Modem - Phone Line Protector
NetWorks Protector
RJ-11, RJ11, RJ-21, RJ21, RJ-45, RJ45
DB-9, DB9, DB-15, DB15, DB-25, DB25
<>Screw Terminals <> Wire-InVideo <> Monitors & Displays
<> Surveillance
Video Interference Choke
Extreme Duty
Motor and Controller Suppressors
<> single phase
<> 2-phase <> 3-phase Twist-Lock® * Filter-Suppressors for NEMA
L5-15, L5-20, L5-30, L515, L520, L530
L6-15, L6-20, L6-30, L615, L620, L630
L10-, L11-, L14-, L15-, 15, 20, 30
* Twist-Lock is a registered trademark of
Hubbell IncorporatedRelay Rack
Mount,
Multiple Circuit Video Protectors
Variable
Voltage
....... Regulators
....... Isolation Transformers
....... Variacs
....... 400 Hz Variacs
Industrial
& Copier
Hi-Current Filter-Suppressors
AC Hi Power Protection
NEMA
14-20, 1420, 14-30, 1430, 14-50, 1450 Cable
Modem <>
Speed-up, Isolation
& Protection System
Ground Loop
Control
...... Voltage Regulators
...... Isolation Transformers
...... Cable TV / Cable Modem
Isolators Application
Notes
...... Dozens of Practical
Money Saving Tips Cable
Isolators
Audio/Video Ground Loop Eliminator
<> F-connector
<> BNC-Video Guard
Isolation Devices
....... Transformers
....... Isolators-FiltersPneumatic
Interrupters * Power Shutdown
Pressure <> Vacuum Switches Surveillance
<> Security
Monitors / Displays / Video Protectors
New ! ! AC Power Line Interrupters
Power Shut DownPower
Transformers
...... Regulators
...... Isolation
...... Autotransformer
Power
Conditioners
...... Regulators
......
Isolation Transformers
New ! ! AC Power Line
..... Voltage Converters
,.... Voltage Converter
Regulators
.....
Voltage Converter Plug Adapter Strips
.....
Universal AC Plug AdaptersTravel Adapters
.... Phone
RJ-11 Adapters
.... AC Power Plug
Adapter Strips
.... AC Power Plug
AdaptersLap
Tops
..... Laptop Phone
Line Protector
..... Laptop AC
Power Protector
....... Variacs
....... 3-Phase Variable
Transformers
....... 400
Hz Variacs
....... 400
/ 60 / 50Hz Variable Transformers
....... Stepper Motor Voltage
Regulators
Application
Guide
Cross Reference
- -
Locate Your Problem
- - - - -
Find a Fix !!
NEW ! !
....... Rotary Converters
....... Frequency Converters Satellite Protection
Systems & Power Supplies * Industrial *
Commercial
Complete Subject
and Product Listing
SureTest
Electrical Circuit Analyzer
<> Harmonics
<> Ground Voltage & Noise
<> Load Voltage Drop
<> Ground ImpedanceCan't Find What You
Need ?
Look Here !
or Check our Search Engine
........ Down Load Here
Why the Professionals buy
Electronic Specialists
Protection Products
Complete Subject
and Product Listing
Free
Tutorial - Equipment Protection
Complete
Product index
Press
Releases
Check Out - - - - Free Stuff
Product
Application Notes
Check out complete
Site Map Learn
What "Everybody "
Knows - - - - or should Know ! !
Why you need
Hi-Performance Protection
Save !!
Surplus from Production Electronic
Specialists
Home Page About
Electronic Specialists
Frequently
Asked Questions
<> with dozens of Answers