SELENIUM SURGE SUPPRESSOR
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We are REPLACEMENT Rectifier Specialists
We are OBSOLETE Rectifier Specialists
We are URGENT Rectifier Specialists
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Power Rectification Specialist, since 1945
CEHCO is manufacturer, re-seller, and distributor of Power Rectification products such as DC Rectifiers, Transformer Rectifier Assemblies, and Custom Power Supplies since 1945.
Our division L/C Magnetics Inc. (www.lcmagnetics.com) builds transformer products from 0.1 KVA to 100 MVA. All CEHCO transformers are built by L/C Magnetics Inc.
CEHCO is a repair and replacement specialist for obsolete and discontinued DC Rectifiers.
Send us an email for a Free Quote.
quote@cehco.com
Our engineers will respond within the hour.
ABOUT SELENIUM SURGE SUPPRESSOR
Surge suppressors are used to protecting circuits from transients (sudden, brief increases in voltage). Transients of widely varying magnitudes are caused by such circuit components as motors, coils, magnets, relays, and transformers. They are found in all electrical systems and are notorious for damaging diodes, SCRs, transformers, triacs, and relay contacts.
Surge suppressors can be connected across individual components, part of a circuit, or to supply to an entire circuit. When the voltage is normal, they are in an “off” state and do nothing. However, when a transient raises the voltage, they react very quickly and conduct the excess around the components they protect. When the transient has passed they return to a normal “off” state. It is cheaper to use surge suppressors than it is to buy new components or have equipment out of service. Surge suppressors can be polar (for direct current circuits) or non-polar (for alternating current circuits) and can be assembled in different configurations to offer surge protection from 3A to 130A.
CEHCO surge suppressors are assembled from high-quality selenium cells. We are a selenium surge suppressor replacement specialist. These suppressors are characterized by extremely smooth operation. They pass increasing amounts of current as the voltage increases without the sudden changes that tend to characterize other types of surge suppressors. They have a high shunt capacitance (0.05 MFD per square inch). They react faster and have higher wattage capability than silicon suppressors. Selenium Surge Suppressors are commonly used in the elevator industry. CEHCO has done many applications for elevators and elevator companies. A brief description of selenium cells is shown below.
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SELENIUM SURGE SUPPRESSORS
11 PLATES, 1.5″ X 1.5″, P/N C25HX11EB1
SELENIUM SURGE SUPPRESSORS
6 PLATES, 3″ X 3″, P/N K25HX6EB1
SELENIUM SURGE SUPPRESSORS
5 PLATES, 5″ X 6″, P/N SS25HX5EB1
SELENIUM SURGE SUPPRESSORS
26 PLATES, 5″ X 6″, P/N S25HX13EN2
SELENIUM SURGE SUPPRESSORS
30 PLATES, 5″ X 6″, P/N S25HX15EN2
SELENIUM SURGE SUPPRESSORS
9 PLATES, 2″ X 2″, P/N E25HX9EN1
SELENIUM SURGE SUPPRESSORS
5 PLATES, 2″ X 2″, P/N SE252HX5EN1
SELENIUM SURGE SUPPRESSORS
8 PLATES, 4″ X 4″, P/N SM25HX8EB1
NON POLAR SELENIUM SURGE SUPPRESSORS
40 PLATES, 4″ X 5.3″, P/N 5500C
NON POLAR SELENIUM SURGE SUPPRESSORS
40 PLATES, 4″ X 3″, P/N 5506C
SELENIUM SURGE SUPPRESSORS
16 PLATES, 4″ X 5.3″, P/N 5552C
SELENIUM SURGE SUPPRESSORS
16 PLATES, 4″ X 5.3″, P/N 5552C1
SELENIUM SURGE SUPPRESSORS
6 PLATES, 4″ X 4″, P/N M25HX6EB1
SELENIUM SURGE SUPPRESSORS
12 PLATES, 4″ X 4″, P/N M25HX12EB1
SELENIUM SURGE SUPPRESSORS
16 PLATES, 4″ X 5.3″, P/N 5610C
SELENIUM SURGE SUPPRESSORS
16 PLATES, 5″ X 6″, P/N 5610C1
SELENIUM SURGE SUPPRESSOR
9 PLATES, 1″ X 1″, P/N 5812C
AC NON-POLAR SELENIUM SURGE SUPPRESSOR
26 PLATES, 1″ X 1″, P/N 5821C
NON-POLAR SELENIUM SURGE SUPPRESSOR
10 PLATES, 1″ X 1″, P/N A25XX5EB1
THREE PHASE SELENIUM SURGE SUPPRESSOR
30 PLATES, 4″ X 5.3″, P/N 5922C
THREE PHASE SELENIUM SURGE SUPPRESSOR
24 PLATES, 4″ X 4″, P/N 5922C1
SELENIUM SURGE SUPPRESSOR
12 PLATES, 1.5″ X 1.5″, P/N 5939C
DC SELENIUM SURGE SUPPRESSOR
4 PLATES, 1″ X 1″, P/N 5968C1
AC SELENIUM SURGE SUPPRESSOR
8 PLATES, 1″ X 1″, P/N 5968C2
AC SELENIUM SURGE SUPPRESSOR
10 PLATES, 1″ X 1″, P/N 5968C2-1
NON-POLAR SELENIUM SURGE SUPPRESSOR
64 PLATES, 5″ X 6″, P/N 6127C
SELENIUM SURGE SUPPRESSOR
60 PLATES, 3″ X 4″, P/N 6170C2
SELENIUM SURGE SUPPRESSOR
12 PLATES, 1.5″ X 1.5″, P/N 6217C
SELENIUM SURGE SUPPRESSOR
6 PLATES, 5″ X 6″, P/N 6222C1
SELENIUM SURGE SUPPRESSOR
20 PLATES, 3″ X 4″, P/N 6268C
SELENIUM SURGE SUPPRESSOR
13 PLATES, 3″ X 4″, P/N 6495C
We keep all materials (i.e. diodes, SCR’s, heat sinks, etc.) in stock for immediate assembly. To discuss your specific rectifier stack requirements, please contact us at 714 624-4740, or send us an email at quote@cehco.com.
Selenium
surge
suppressors
are specialized components used to protect electrical equipment from voltage spikes and surges.
These devices are particularly valuable in industries where sensitive electronic equipment and critical infrastructure are prevalent.
INDUSTRIES WE SERVE
Power Generation and Distribution
Manufacturing and Industrial Automation
Healthcare
Telecommunications
Transportation
Consumer Electronics and IT Equipment
Oil and Gas
Defense and Military
Renewable Energy Systems
Commercial and Residential Building Management
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