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Recently Published Blogs

The GE TVTS1 Secondary Injection Test Set, Available from Protec

by Protec Tech Team July 03, 2019

If your electrical system contains circuit breakers that are controlled by GE MicroVersa Trip Solid State Trip devices, electrical operational testing can easily be performed using the General Electric TVTS1 Secondary Injection Test Set which has features to effectively test these breakers.

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MicroVersaTrip units are modern circuit breaker trip devices that replace old electromechanical protective devices. Unlike old circuit breakers that rely on the tension spring setting to determine at what level the breaker should interrupt the current, MicroVersa trip units feature digital circuitry to accurately monitor the power system's load conditions. This prevents the breakers from interrupting temporary overcurrent conditions caused by the inrush currents of startup processes etc. It also has an integrated metering and control features for easy calibration. GE offers a secondary injection test set designed to effectively test MicroVersa trip units. Its TVTS1 circuit breaker test set features 2 modes for testing the programmer or the complete trip unit. This lets you do a partial and full diagnostics on the trip device that controls circuit breaker operations.

If you are interested in the GE TVTS1, you can check it out at Protec Equipment Resources. We lease and sell test equipment to cater to your needs. Our inventory carries a wide range of low and high voltage diagnostic equipment from notable manufacturers. Contact us and browse our inventory for the tools you need.

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Merlin Gerin ME Secondary Injection Test Set

by Protec Tech Team June 05, 2019

With the critical role of circuit breakers, it is very important to periodically verify that they are performing as designed and intended. Numerous electrical circuits can potentially be compromised if a circuit breaker fails to trip when fault conditions occur. As with any new product, we expect it to work properly right straight out of the box. The unfortunate truth is that this isn't always the case.  The same is true about circuit breakers.

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This is why their proper operation should be verified as an acceptance test.  Additionally, circuit breakers experience environmental, mechanical, electrical and thermal stresses over the course of their service. A well planned preventative maintenance program can help in avoiding unplanned downtime and service interruptions due to what is often an avoidable mis-operation. Additionally, early detection of performance concerns can save on the cost of equipment repair and/or replacement. 

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The Test Equipment You Need for Cable Preventive Maintenance

by Protec Tech Team May 01, 2019

Cables are exposed to the elements like moisture, dirt and other contaminants. They are also subjected to mechanical and electrical stress during operation. This is the importance of regular testing of cables. Predictive maintenance often employs diagnostic type tests which will provide the test data necessary to prioritize the replacement of those cables before they become faulted and the source of unscheduled down time.

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Test Circuit Breaker Contact Response Time with Vanguard's CT Series of Circuit Breaker Timers

by Protec Tech Team April 04, 2019

Circuit breakers have a very critical purpose in an electrical system. They interrupt current if there is an overload in the main line. Their response should be very precise because a slow breaker may be too late to prevent damage in the electrical facility before it trips. A too sensitive and fast breaker may interrupt the current due to a harmless voltage spike. This can be a nuisance because you are always having to investigate the validity of the fault that tripped the breaker.

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Advanced Features of the ETI PI-1600B High Current Test Set

by Protec Tech Team February 28, 2019

The ETI PI-1600B High Current Test Set will test low-voltage, molded-case and metal-clad, direct acting AC circuit breakers from various manufactures. The test set can also be used on high current applications like ratio transformers, and heat runs.

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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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