<> .

Since 1972
Protection Doesn't Cost ... It Pays ! . .. Ancient Abyssinian Proverb

High Performance Protection for Your Twist-Lock^® Connected equipment  
Available Twist*Protect Filter-Suppressor Grades - - - - - Check Specifications
Laboratory Grade Industrial Grade Commercial Grade Basic Suppressor Grade

* 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
		We now offer  NEMA Twist*Lock  plugs and sockets
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 ! !

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 ! !

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 ! !

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

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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

Winter Storm Spherics cause up to 50% as much damage as Summer Lightning Storms

On the other hand, WHY SUFFER ANY STORM DAMAGE ?

Now is the Best Time to Protect YOUR Valuable Equipment

Discover the Security offered by . . . . .
Electronic Specialists Professionally Engineered products for .....
. . . . your factory computerized production equipment and automated machinery
. . . . office computers, internet, network, intranet, communication and sound systems
. . . . your home computer, modem, phones and entertainment center

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

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 AC Power Protection   ...... Discussion & Over View	Software .... Engineering, Photography, Utilities Books .... Technical, Computer Ultra High Current Source Regulated High Current Source Ultra Hi Current Ammeter	Networks,  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  NEMA  6-15, 615, 6-20, 620	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 Protector	Dual Function - Direct Plug AC Power and Modem Protectors	Dual 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, 520	Phone 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 Video Guard Hum Buckers
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-In	Video <> Monitors & Displays <> Surveillance   Video Interference Choke Video Guard Hum Buckers
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 Incorporated	Relay 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-Filters	Pneumatic Interrupters * Power Shutdown Pressure <> Vacuum Switches	Surveillance <> Security Monitors /  Displays / Video Protectors Video Guard Hum Buckers
New ! ! AC Power Line Interrupters Power Shut Down	Power 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 Adapters	Travel Adapters .... Phone RJ-11 Adapters .... AC Power Plug Adapter Strips .... AC Power Plug Adapters	Lap Tops ..... Laptop Phone Line Protector ..... Laptop AC Power Protector
Variable / Adjustable Transformers ....... Variacs ....... 3-Phase Variable Transformers ....... 400 Hz Variacs ....... 400 / 60 / 50Hz Variable Transformers ....... Stepper Motor Voltage Regulators	View Custom Design Transformers Ultra High Current Source Regulated High Current Source Ultra Hi Current Ammeter	Application Guide Cross Reference  - - Locate Your Problem   - - - - - Find a Fix !! We Now Offer Software Check 1,000's of Books Boost PC Performance !
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 Impedance	Can't Find What You Need ? Look Here ! or Check our Search Engine Catalog Sheets - ........  Down Load Here	Why the Professionals buy Electronic Specialists Protection Products
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Frequently Asked Questions <> with dozens of Answers		Check our Search Engine

Electronic Specialists regularly supplies Regulation, Suppression and Protection Products
for 100, 110, 115, 117, 120, 125/250, 120/208, 220/380, 277/480 Volts
single, dual and 3-phase systems

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Industrial Electronics - - - - - -  Friend or Foe ??
We reveal why your Hi Tech Stuff sometimes becomes downright unfriendly --
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