.


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

NEWSLETTER ARCHIVES

November '03 ..... Tip of the Month; multiple 100Base-T; Precision Voltage Regulator; RS-232 & RS-485 Surge Protectors

December '03 ..... Tip of the Month; NEMA 6-15 & 6-20 240 Volt Protectors, Variable Transformers, Twist Lock Protection

February '04 ..... Tip of the Month; 10Base-T / 100Base-T Protectors; 400 Hz Variacs; NEMA 1420, 1430 Filter-Suppressors

April '04 ..... Tip of the Month; Video Guard; Voltage Converter; Universal Socket Adapter

July '04 ..... Tip of the Month; Turbo Max; Shape Voltage Regulator; Variable Transformer

October '04 .... Tip of the Month; Video Hum Buckers; NEMA 6-15, 6-20; Twist Lock Protection

December '04 .... Season's Greetings

February '05 .... Tip of the Month; Variac, Variable Transformer; Universal AC plug socket adapters; Modem Protectors

April '05 .... Tip of the Month; 240 Volt Line Cord Filter-Suppressors; Isolation Filter-Suppressor;
Variable Output Voltage Regulator; 100Base-T Network Protection

January '06 .... 240 Volt Filter-Suppressors/Line Cord; Isolation Filter-Suppressors; Hi-Tech Laughs

January '07 .... Free Tutorial; Isolation Filter Suppressors; 100Base-T Network Protection

February '07 .... Turbo Max, Variable Transformers, International Power Adapters

March '07 .... Tip of the Month; Free Hi-Tech Equipment Protection Tutorial

April '07 ...... Filter Suppressor Isolators, 240 Volt Filter-Suppressors

May '07 ........ AC Power Interrupters, Variable Transformers

October '07 ... Turbo Phone Line Protection, Get ready for Winter Storms Tips, Power Interrupters

November '07 ... Filter Suppressor Isolators, Variac, Variable Transformers

December '07 ... Holiday Greetings ! New England Winter Scenes

January '08 ... Motor tips(b), Extreme Duty, Twist Protect, Equipment Line Filters

February '08 ... Variable Transformers, AC Power Shutdown, International Adapters

March '08 ... Free Hi-Tech Equipment Protection Tutorial, International Voltage Converters

April '08 ... Filter Isolators; Variable Voltage Regulator; 100BaseT Network Protection; 240 Volt Line Cord Filter-Suppressors

May '08 ... AC Power Interrupters, Variable Transformers, Variac, International Power Adapters, Twist Lock Protection

June '08 ... 240 Volt Filter-Suppressors, Variable Voltage Regulators, Isolator Filter-Suppressor

July '08 ... Voltage Converters (US to US), Extreme Duty Protectors, Twist Protect for Twist Lock Connectors

August '08 ... Tip of the Month - erratic power; Twist Protect; International Adapters

October '08 ... Turbo Phone Line Protection, Get ready for Winter Storms Tips, Power Interrupters

December '08 ... Holiday Greetings ! New England Winter Scenes

January '09 ... Motor tips(b), Extreme Duty, Twist Protect, Equipment Line Filters

February '09  Variable Transformers, AC Power Shutdown, International Adapters

March '09 ..... Free Hi-Tech Equipment Protection Tutorial, International Voltage Converters

April '09 ... Filter Isolators; Variable Voltage Regulator; 100BaseT Network Protection; 240 Volt Line Cord Filter-Suppressors

May '09 ... AC Power Interrupters, Variable Transformers, Variac, International Power Adapters, Twist Lock Protection

June '09 ... High Current Generator, 240 V Filter-Suppressor, Variable Volt Regulators, Isolator Filter-Suppressor

July '09 ... Wire-in Filter-Suppressors, Extreme Duty Protectors, Twist Protect for Twist Lock Connectors

SPOTLIGHT ARCHIVES

August '04 ..... Spotlight flyer on  Shape Voltage Regulator

May '05 ..... Spotlight flyer on Analytic Systems Frequency Converter

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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 )x4c(
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 !

Frequency Converters
...... Solid State
<> to 5 KVA
...... Motor-Gen & Solid State
.......... 5KVA to 500 KVA
....... Rotary 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
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........  Down Load Here

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Electronic Specialists
Protection Products
Complete Subject
and Product Listing
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Electronic Specialists regularly supplies Video, Data, Automation, Control,
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