<> ESP Twist Lock Surge Suppressors Filters, Industrial Equipment Protectors, NEMA L5-15, L5-20, L6-15, L6-20 .


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

Electronic Specialists, ESP Twist Lock Industrial Filter Suppressor
ESP Twist Protect L5-15, L5-20, L5-30

Twist-Lock®
AC Power Protection
Systems

fits

All commonly used Twist-Lock® AC Connector
(L5-15, -20 & -30) (L6-15, -20 & -30) 
(L10-20 & -30)
(L11-15, -20 & -30) (L14-20 & -30) (L15-20 & -30)
(L18-20 & -30) (L21-20 &-30)

<> All Models 58,500 Surge Amp Suppressors

Available Twist*Protect Filter-Suppressor Grades - - - - -
Laboratory Grade Industrial Grade Commercial Grade Basic Suppressor Grade

Not What You Need? Check our Power Conditioners

Printer Friendly Twist-Lock* Socket Outlines ! !

<> Socket Mount Models shown Take me directly to Model Numbers & Prices
<> Line Cord Models available

Need temporary 3-Phase Power ? 
Check our Rotary Converters

* 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 ! !

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



Corporate and Government PO's Welcome

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

 

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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

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Voltage Regulators

......Hi-Power
Voltage Regulators
Dial Up Modem Speed-up & Telecommunications
Protection Systems
RJ-11, RJ11, RJ-21, RJ21, RJ-45, RJ45
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<>
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& Protectors Systems
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...... Discussion & Over View

Software
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Books .... Technical, Computer

Ultra High Current Source

Regulated High Current Source

Ultra Hi Current Ammeter

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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
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and Modem Protectors
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and Network Protectors
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...... 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
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RJ-11, RJ11, RJ-21, RJ21, RJ-45, RJ45
DB-9, DB9, DB-15, DB15, DB-25, DB25
<>
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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 
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Industrial & Copier
Hi-Current Filter-Suppressors
AC Hi Power Protection
NEMA 14-20, 1420, 14-30, 1430, 14-50, 1450
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Application Notes
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<> F-connector 
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Pressure <> Vacuum Switches
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Video Guard Hum Buckers

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