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Recently Published Blogs

To Test Magnum Circuit Breakers Rely on Eaton Cutler Hammer Test Sets

by Protec Tech Team February 06, 2019

Eaton's Magnum Circuit Breakers are used in ANSI/UL and IEC rated equipment and applications, providing high ratings in minimal space, rugged structure, enhanced safety, and easy maintenance, making them ideal for switchboards and switchgear.

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Rent the Eaton Cutler Hammer 70C1056G52 from Protec Today

by Protec Tech Team February 01, 2019

Defective circuit breakers can lead to extensive damage, personnel injury, or make an outage more widespread when a fault occurs. They can also trip when they shouldn’t causing expensive downtime.

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Merlin Gerin Secondary Injection Test Set

by Protec Tech Team January 16, 2019

Many circuit breakers are tested by use of secondary injection test equipment applied to the breaker’s trip unit. These specialty test sets check the trip function of the circuit breaker — in other words, whether the electronics in the breaker are functioning properly. When you have work requirements that involve testing and maintaining Merlin Gerin circuit breakers, the Merlin Gerin Secondary Injection Test Set is ideal for verifying the proper operation of the trip circuitry. Merlin Gerin is only one of several well-known brands in the Protec stable of test equipment rental.

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Try Cutler Hammer for Secondary Injection Test Kit

by Protec Tech Team January 11, 2019

For checking circuit breaker and protective relay systems, the secondary injection test set is an essential piece of electrical test equipment for companies to use. It differs from the standard primary injection testing method in that it does not require high current to be passed through the primary current path, but rather tests the breaker as a result of low level signals sent directly to the solid state trip device that controls the operation of the breaker.

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Rent the Cooper VFI Vacuum Fault Interrupter Tester

by Protec Tech Team November 28, 2018

The Cooper VFI Vacuum Fault Interrupter Tester is a current injection device designed to simulate Fault Current for verification of minimum trip values and time current characteristics of Tri-Phase and TPG electronic control boards utilized in VFI pad-mounted switchgear.

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Three internal flux-shift trippers enable confirmation of the presence of sufficient levels of energy upon the control board for operation of pad-mounted VFI flux-shift trippers. The on-board flux-shift trippers also enable self-checking of the VFI tester prior to general control testing. Further flux-shift tripper capability enables verification of operation of the flux-shift trippers within the VFI unit under test, external to the Cooper VFI tester.

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The ABB SACE PRO10/T Secondary Injection Test Set

by Protec Tech Team November 15, 2018

Circuit breakers should be tested on regular intervals to mitigate the risk of failure. A faulty breaker can cause a lot of problems if a fault condition were to occur. It is a good idea to have reliable tools that can thoroughly test the circuit breakers to avoid problems in the electrical system. One of the tools that offers complete diagnostic features for secondary injection testing of circuit breakers is the ABB PR010/T Secondary Injection Test Set.

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Test SACE Circuit Breakers with the ABB PRO 10/T Secondary Injection Test Kit

by Protec Tech Team July 25, 2018

Low voltage molded case circuit breakers like the microprocessor-based SACE are often installed as protection devices for motors in industrial and commercial facilities. It is important to regularly check the condition of these devices because of the critical role that they have in protecting the electrical circuits that they are tasked with monitoring.

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Why Circuit Breaker Testing is Important

by Protec Tech Team April 23, 2018

Circuit breakers are important devices that interrupt current when an electrical fault occurs. If they fail to operate properly during a fault condition, the electrical system can be at risk of being damaged.   Additionally, the mis-operation of such a device can lead to costly impacts associated with the interruption of electrical service.  Technicians should regularly test for potential problems so the circuit breakers can be verified to operate according to their intended design.  Regular maintenance practices provide the opportunity to identify and correct operational issues and ensure power system reliability.

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Rent the Siemens PTS-5 for Secondary Injection Testing of STIII

by Protec Tech Team April 05, 2018

Designed to perform secondary injection testing on the Static Trip III (STIII) overcurrent tripping system utilized on the RL breaker, the Siemens PTS-5 Secondary Injection Test Set, packaged in a self-contained case, contains a microprocessor controlled constant current source which enables rapid verification of the performance of the STIII.

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Directly enter the desired test current on the numeric keypad for easy test configuration, and the self-contained, automatically controlled digital timer allows simple verification of the time-current tripping characteristics. The Siemens PTS-5 also provides a regulated DC voltage to allow functional testing of the tripping actuator.

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Rent Eaton Cutler Hammer 70C1056G52 to Test Digitrip Circuit Breakers

by Protec Tech Team March 06, 2018

Circuit breakers are used in homes, office buildings, and electric facilities. These instruments are prone to break down as they gather moisture, contaminants, and dirt while in use. If not maintained regularly, ciruit breakers insulation becomes weak as a result of the heat that is created due to arc interruption. Chemicals like hydrogen sulphide or chlorine can also be major factors in the damage and corrosion of insulation as well as metal components of circuit breakers.

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Rent the Doble TDR9000, TDR9100 to Assess Circuit Breaker Capability

by Protec Tech Team December 07, 2017

Doble circuit breaker testing systems are perfectly suited for simplified field testing. And, with the ability to resist electrostatic or magnetic interference during testing while at the same time allowing for self-diagnostic tests, these test sets ensure accuracy of results.

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To Evaluate AC Circuit Breakers Consider Renting the ETI PI-6000

by Protec Tech Team November 20, 2017

When it’s necessary to evaluate low-voltage, molded-case or metal-clad, direct acting AC circuit breakers, the ETI PI-6000 Primary Circuit Breaker Test Set is a reliable tool that can be used on high current applications like ratio transformers and heat runs.

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An advanced primary injection test set capable of testing circuit breakers up to 6000 amperes frame size, the ETI PI-6000 combines an output transformer with dual primaries to facilitate its use on power sources of 480 VAC as well as 240 and 208 VAC.

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Protec Equipment Resources Inc.
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Grand Prairie, Texas 75050

Phone: 972.352.5550
Fax: 972.352.5553

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