<> AC Power Line Shut Down interrupters, voltage shutdown control, power fail shutdown, arresters, line protectors


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

Protect Your System from AC Power Loss Damage
AC Power Line Shut Down Voltage Interrupters
Systems Shutdown <> Self-Reset <> Manual Reset, Adjustable Drop-Out <> Manual Reset, Fixed Drop-Out


20 Amp Power Interrupters
Model PI-20-OU

 

Effects accompanying Power Loss
Wildly varying Line Voltage before Stabilizing
Power repeatedly cycles ON / OFF
Severe interference occurs when Power Restored
Large surges (to 2,500 Volts !!) when Power Restored

Damages that may accompany Power Loss
Prolonged low voltage may overheat motors
ON / OFF cycling may damage Power Supplies
Large surges at Power restoration damages equipment
Relays often chatter, disrupting system operation

Electronic Specialists manufacture an extensive line of Power Interrupters
Categories of available units are outlined for Application Guidance

Note:  All units have Industrial Duty 58,500 Surge Amp Suppressors
including transient arresters & spike surge protectors

Sockets Installed On Interrupters

NEMA 5-15 and 5-20 Plug and Socket Photos
Note: NEMA 5-15 & 5-20 Plugs / Sockets are most commonly used connector in U. S.
 

NEMA 5-15
Plug (left) -- NEMA 5-15P
Socket (Receptacle) -- NEMA 5-15R
120 Volt , 15 Amp

NEMA 5-20
Plug (left) -- NEMA 5-20P
Socket (Receptacle) -- NEMA 5-20R
120 Volt, 20 Amp
Although designed for 20 Amps,
Receptacle Will Accept 5-15 Plug (Left Photo)

Check NEMA Plug and Socket Outlines HERE !!


MANUAL RESET INTERRUPTERS
<> Precise Voltage shutdown trip-out
<> Should Power Line Voltage be disrupted, or fall outside user  selectable limits,
these units will disconnect controlled apparatus
<> Front panel MANUAL RESET switch restores Power
<> Front Panel Controls permit adjusting OVER/UNDER Interrupt levels
Under-Voltage only Interrupt Models available

Model

Description

Price (U.S. $)
PI-15-OU 120 Volts, 15 Amp;   NEMA 5-15 Cord/plug; 3 NEMA 5-15 sockets
Adjustable Over/Under Voltage Manual Reset Interrupter
270
PI-15-U 120 Volts, 15 Amp;   NEMA 5-15 Cord/plug; 3 NEMA 5-15 sockets
Adjustable Under Voltage Manual Reset Interrupter
229
PI-20-OU 120 Volts, 20 Amp;   NEMA 5-20 Cord/plug; 3 NEMA 5-20 sockets
Adjustable Over/Under Voltage Manual Reset Interrupter
333
PI-20-U 120 Volts, 20 Amp;   NEMA 5-20 Cord/plug; 3 NEMA 5-20 sockets
Adjustable Under Voltage Manual Reset Interrupter
302

Go To ...... Order Desk

View NEMA 5 -15 and 5 -20 plugs & sockets


SELF RESET INTERRUPTERS <> US Patent #4,368,499

Modified
Self-Reset Interrupter

 Precise Voltage trip-out
<>  Self Reset after Power Restored - or - Power disruption clears
<> Wild Voltage fluctuations accompany Power disruption,
causing equipment damage
<> AC Power re-applied to protected equipment 4-5 minutes (internally adjustable)
after AC Power has returned to Normal, Safe level
<> Over / Under trip-out voltage internally adjustable
Minimum down-time <> Maximum damage control <> Maximum Operation time

Modified Designs Available

><><><

Model

Description

Price (U.S. $)
PI-SR-15 120 Volts, 15 Amp;   NEMA 5-15 Cord/plug; 3 NEMA 5-15 sockets
Self-Reset Power Interrupter
297
PI-SR-20 120 Volts, 20 Amp;   NEMA 5-20 Cord/plug; 2 NEMA 5-20 sockets
Self-Reset Power Interrupter
365

Go To ...... Order Desk

View NEMA 5 -15 and 5 -20 plugs & sockets


AC-PFI-36

Power Fail Interrupters
(Manual Reset / Fixed Voltage Drop-out)
<> Non-precise, Non-adjustable Voltage trip-out
<> An economical Power Interrupter with Manual Reset

<> Should Power fail, or drop to approximately 70 Volts,
Power Fail Interrupt will Shut Down controlled apparatus

Power Remains "OFF" until manually Reset

Units have Industrial Duty 58,500 Surge Amp Suppressers
 

Model

Description

Price (U.S. $)
AC-PFI-31 120 Volts, 15 Amp;   NEMA 5-15 Cord/plug; 1 NEMA 5-15 socket
Power Fail Interrupt
145
AC-PFI-33 120 Volts, 15 Amp;   NEMA 5-15 Cord/plug; 3 NEMA 5-15 sockets
Power Fail Interrupt
155
AC-PFI-36 120 Volts, 15 Amp;   NEMA 5-15 Cord/plug; 6 NEMA 5-15 sockets
Power Fail Interrupt
175
     
AC-PFIM-31 120 Volts, 20 Amp;   NEMA 5-20 Cord/plug; 1 NEMA 5-20 socket
Power Fail Interrupt
190
AC-PFIM-32 120 Volts, 20 Amp;   NEMA 5-20 Cord/plug; 2 NEMA 5-20 sockets
Power Fail Interrupt
200
AC-PFIM-34 120 Volts, 20 Amp;   NEMA 5-20 Cord/plug; 4 NEMA 5-20 sockets
Power Fail Interrupt
220

><><><><

Model

Description

Price (U.S. $)
AC(6-15)-PFI-31 240 Volts, 15 Amp;   NEMA 6-15 Cord/plug; 1 NEMA 6-15 socket
Power Fail Interrupt
170
AC(6-15)-PFI-33 240 Volts, 15 Amp;   NEMA 6-15 Cord/plug; 3 NEMA 6-15 sockets
Power Fail Interrupt
180
AC(6-15)-PFI-36 240 Volts, 15 Amp;   NEMA 6-15 Cord/plug; 6 NEMA 6-15 sockets
Power Fail Interrupt
200
     
AC(6-20)-PFIM-31 240 Volts, 20 Amp;   NEMA 6-20 Cord/plug; 1 NEMA 6-20 socket
Power Fail Interrupt
225
AC(6-20)-PFIM-32 240 Volts, 20 Amp;   NEMA 6-20 Cord/plug; 2 NEMA 6-20 sockets
Power Fail Interrupt
235
AC(6-20)-PFIM-34 240 Volts, 20 Amp;   NEMA 6-20 Cord/plug; 4 NEMA 6-20 sockets
Power Fail Interrupt
255

Go To ...... Order Desk 

View NEMA 5 -15 and 5 -20 plugs & sockets

Now Available !

Direct Plug Power Fail Interrupters . . . . 

Compact Unit plugs directly into wall socket . . . . 

Internal Industrial Duty 58,500 Surge Amp Suppressers

Single Socket, 120 Volt, 15 Amp, Power Shut Down Design
Single NEMA 5-15 socket

Front Panel Manual Reset

Model DP-PFI-31 . . . . . . . . . . . $135

Go To ...... Order Desk 

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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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