Page last updated Sep 6, 2019 @ 09:27pm
Click on thumbnail image above to enlarge
AC Industrial Surge Arrester
125/250Vac, Single Phase, 3-wire
Silicon Oxide Varistor type arrester. This is a very economical way to provide a degree of lightning and surge protection for a whole electrical system. Designed to fit any load center using a 1/2 inch knockout for mounting. Arrestor is Installation is completed by connecting the single white wire to the panel's neutral bar and the other two wires to the 240V supply in the panel. This one device will protect your entire downstream electrical system although surge protectors are still recommended at sensitive appliances, electronic equipment and computers. Designed for use on single-phase, three-wire 120/240 Vac electrical services. Uses Silicon Oxide Varistor design to arrest voltage surges with a low resistance path line-to-line, line-to-neutral, or line-to-ground while providing a high resistance path to the 50/60 Hz power source. This arrester responds faster and has a lower clamping voltage than comparable gapped arresters. Response time is 25 nanoseconds to clamp 50,000 amps. Maximum current rating of 100,000 amps and 3,000 joules per line. Waterproof and can be used on outdoor panels. Made in USA
Lightning is a major source of voltage spikes that can damage or destroy your investment. Don't risk the damage and outage time by not installing arresters!
click above to enlarge
Note that all arresters can fail when hit with a high surge due to a nearby lightning strike. This arrester is designed to limit consequences of such a failure.
* Locknut and bushing furnished for simple mounting.
* Extra long 36" #12 THHN leads for ease of installation.
* Will pass a large number of high-energy surges and half-cycle spikes prior to failing.
* Always fails "clear" to permit continued use of power system.
* Non-conductive base to prevent a blown arrester from being a shock hazard.
* Will not produce carbon dust upon failing like some other arresters, preventing
damage to other equipment
* 4-1/4" high, 2-1/4" diameter
* PVC weatherproof case
* Locknut and washer furnished
* 1" bottom plug relieves internal pressure for any surges well above rating
* UL and cUL Recognized
Simple to install on outside of load center panel, or inside.
- for wire lengths more than 4" twist together one turn every 4"
|8 x 20 microsecond wave shape
per IEEE 28 ANSI & NEMA C62.1
5 nanosecond response time at 1 milliamp
10 nanosecond response time at 10,000 amps
25 nanosecond response time at 50,000 amps
3000 Joules per pole
|Discharge Current||Clamping Voltage
|Number of Operations|
|5,000 amps||240 V||unlimited|
|10,000 amps||480 V||unlimited|
|20,000 amps||840 V||unlimited|
|40,000 amps||1300 V||unlimited|
|60,000 amps||2000 V||unlimited|
|80,000 amps||3000 V||one time|
|100,000 amps||4000 V||one time|
Customers who purchased this product also ordered:
(click underlined words to see product pages)
Surge Capacitor CA-302-R.
Item Number: LA-302
Price last updated 2/10/2018
Shipping Weight: 1.5 lbs.
This item normally ships in approximately 3 days or less.
Are YOU ready for the next power outage?
2 Outage Archives
3 Utility Industry
4 Why You Need Backup
5 Personal Stories
6 NoOutage Configurations
8 Sizing for Your Needs
9 Voltage Drop Calculator
10 Test Reports
11 Placing Order
12 Equipment Leasing
13 Books & Videos
15 Frequently Asked
16 Future Technologies
17 Electricity Glossary
18 Help with Plug Types
19 Who We Are
20 Why Buy Here
21 Our Customers
22 Pick a Contractor
23 Privacy Promise
24 Safe Shopping Guarantee
25 Terms & Conditions
26 What's New
27 Contacting Us
28 Parts Lookup
29 Parts & Service
30 Made in USA
We welcome your feedback or questions. Click here to contact us.
See our Terms & Conditions before using information or ordering from this web site.
Copyright © 1999-2021 NoOutage.com LLC. All rights reserved.