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Product
HV Circuit Breaker Analyzer
CBA-32P
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The CBA-32P is a multifunctional circuit breaker analyzer performing Motion, Timing and Dynamic Resistance Measurements, all in a single test.
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Product
Contact Resistance Meter
CRM 200B
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CRM 200B directly measures micro-ohm values at 100 Amps DC under live switchyard conditions.CRM 200B is specially designed to reliably measure contact resistance of circuit breakers, isolators, busbar joints, welded joints etc., under the hostile electrostatic noise found in live EHV switchyards upto 765 kV.
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Product
Circuit Breaker Analyzers & Timers
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CAT circuit breaker analyzers and timers are advanced standalone or a PC controlled instruments for circuit breaker maintenance. Typical application areas of CAT instruments are medium and high voltage substations at electric power generation, transmission, and factories of switchgear. Also, industrial environments and electric power distribution are suitable application areas for these circuit breaker testing instruments.DV Power CAT circuit breaker testing instruments are portable and lightweight. They are designed for performing mechanical operations intended for circuit breakers testing according to standards IEC 62271-100 and IEEE C37.09.These instruments measure:the timing of main contacts, pre-insertion resistor contacts, auxiliary contacts operations,coil currents,motion parameters,voltage recording,main circuit resistance,arcing contacts wipe,and any relevant analog signal.Motion transducer channels provide measuring a displacement of the circuit breaker moving parts, contact wipe, over-travel, rebound, damping time, and average velocity. Even more, CAT circuit breaker analyzer optionally has a built-in micro-ohmmeter. Hence, it provides the main circuit resistance measurement and dynamic resistance measurement. Dynamic resistance measurement is an effective method for arcing contacts condition assessment.
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Product
Circuit Breakers for Equipment
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Mitsubishi Electric Automation, Inc
The optimum circuit breaker for opening/closing power sources and preventing overload and short-circuit conditions in control circuits of automation applications, construction equipment, office machines, communications and measurement devices.
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Product
10-amp AC and DC Variable Power Supply
ACDC-10
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The ETI Model ACDC-10 is a small, lightweight, and portable AC and DC power supply. The unit is intended for resetting circuit breaker charging motors and other general-purpose applications. It will provide DC voltage in three nominal ranges from 0-120V, 240V, and 480V at 1 kVA, as well as AC voltage in three nominal ranges from 0-140V, 280V, and 560V at 1.4 kVA. The ACDC-10 is housed in a rugged plastic enclosure approximately 20” x 11” x 18” and weighs less than 65 lbs
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Product
Handheld Circuit Breaker And Timer Analyser
CAT-H Series
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The operation of the breaker can be initiated in different ways (e.g. from a control room, by a local breaker or externally by a test device) depending on the test conditions. Various time measurement triggers are available to record a measurement under a different test condition:*Coil control channel*Continuous current clamping channel*DC voltage channel
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Product
Digital Circuit Breaker Analyzer
CT-7000 S3
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The CT-7000 S3 is Vanguard’s fourth generation EHV circuit breaker analyzer. The CT-7000 S3 is available with 3 (part number 9021-UC) or 6 contact timing channels (part number 9100-UC). The CT-7000 S3 can fully analyze a circuit breaker’s performance by measuring the main contact and resistor contact time, stroke, velocity, over-travel, bounce back and contact wipes. Both contact and motion analysis can be performed on all circuit breaker operations (OPEN, CLOSE, OPEN-CLOSE, CLOSE-OPEN, and OPEN CLOSE-OPEN). The CT-7000 S3’s timing window is selectable between 1 second, 10 seconds, and 20 seconds.
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Product
Earth Leakage Circuit Breakers
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Mitsubishi Electric Automation, Inc
Like molded case circuit breakers, these circuit breakers are utilized to open/close low-voltage circuits and protect wiring by automatically closing circuits when they''re overloaded or if a short-circuit occurs. We offer a comprehensive range of circuit breakers that provide superior performance in electrical protection, isolation and power distribution applications. Our circuit breaker products comply with various standards such as JIS, IEC, EN, GB and UL/CSA, and with easy to install accesories, the Mitsubishi Electric circuit breakers are "user-friendly" and ensure the best solution for virtually every application.
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Product
Dynamic Contact Resistance Meter
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Dynamic contact resistance measurements are necessary to understand the condition of the arcing contacts of the circuit breaker. Static contact resistance measurements do not give us information related to erosion of arcing contact, misalignments of the contact, and damages to the driving mechanism.
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Product
HV AC Test Set
SERIES S400 TYPE RX I O/ I OACP
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K&S Engineering and Scientific Ltd
The output is continuously variable from zero to 10 kV by means of the panel mounted regulator. An output trip is fitted which operates when the output exceeds 25 mA switches off the test set and operates a neon overload indicator. Primary protection is provided by two panel mounted fuses. The output is protected by the output trip and a magnetic/hydraulic circuit breaker.
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Product
Primary Injection Test System
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HAOMAI Electric Test Equipment Co., Ltd.
Primary injection testing is suitable for testing over-current trip relays attached to a circuit breaker.
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Product
Low Resistance Ohmmeters
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Some times know as Ducter testers, these are highly accurate, easy to operate instruments that measure resistance with resolution as fine as 0.1 micro-ohm. Digital micro-ohmeters and DLROs measure contact resistance of switch and circuit breakers, aircraft frame bonds, and rail and pipeline bonds just to name a few of the applications. Megger has models available for testing using test currents from 0.5 mA to 200 amps covering a multitude of applications that require precise low-resistance measurements.
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Product
Circuit Breaker Tester
LAN & Breaker
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Find opens, shorts and mis-wired cable installations with quick go/no-go tests, using an Amprobe LAN tester. Identifying circuit breakers is efficient when you use an Amprobe breaker tracer.
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Product
Micro-Ohmmeters
RMO-G Series
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The RMO-G is a portable micro-ohmmeter designed for contact resistance measurement of non-inductive test objects and applications with increased safety requirement. It tests medium and high-voltage circuit breakers, disconnecting switches, high-current bus bar joints, cable splices, and different high-current links. Due to its Both Sides Grounded and Remote Control functionalities, the instrument accurately measures even in the most demanding environments, providing additional safety to testing personnel.The RMO800G is the most powerful portable micro-ohmmeter on the market with 800 A output current. RMO200G is our best seller in the USA. A user can choose the appropriate model depending on the output current requirement, from 100 A (RMO100G) to 800 A (RMO800G).We use an unbreakable plastic case with IP67 protective rating (with closed lid) for instruments’ housing. Although very portable and lightweight, RMO-G micro-ohmmeters have very high output power capabilities. High output voltage enables a wider measurement range at higher test currents. Consequently, it enables the usage of thinner/longer test cables. RMO-G generates a true DC ripple-free (less than 1 % ripple) current with automatically regulated test ramps. During the testing, it increases current before measuring and decreases current after the measurement. This significantly decreases magnetic transients and ensures great accuracy.Special current clamps measure a current through groundings when the instrument tests in Both Sides Grounded conditions. The instrument itself powers these clamps. If even higher safety level is required, the Remote Control feature enables the operator to perform measurements from distant locations.RMO-G instruments can store up to 500 measurements in internal memory. Also, they have a built-in thermal printer and USB flash drive available as an option. An additional option is the built-in High Precision module suitable for measurement of very low resistance, in the range from 1 to 30 µΩ, with 0,01 µΩ resolution.Our free DV Win software communicates with the RMO-G micro-ohmmeters via USB or RS232 interface. It allows a user to run the test remotely from a PC. Also, a user can download test results, analyze and generate fully configurable test reports through the software.
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Product
HV Test Set
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Beijing GFUVE Electronics Co.,Ltd.
Used for testing transformer, circuit breaker & switch etc by engineer, for example TTR tester can test transformer turns ratio.
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Product
Resistance Measurement
PROMET
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High-precision micro-ohm measuring systems with adjustable DC test current for determining resistances on circuit breakers or inductive loads such as transformers, for example. The high-precision ohm meters of the PROMET series are used to determine very low electrical resistances in the µΩ range. The adjustable test current of up to 600 A in combination with a four-wire measuring method delivers measurement results which meet stringent accuracy requirements. State-of-the-art power electronics coupled with a robust design guarantee excellent reliability for use as a portable device in switching stations and industrial environments. Typical applications include determining the contact resistance of switchgear devices and determining the resistance on inductive loads such as transformers.
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Product
Breaker Testing Software
BTS11
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To test circuit breakers in general, is to operate the breaker and check the contact timing. However in factory testing and during field service/maintenance some other tests are necessary. For field testing these other tests can also be very useful in diagnostics purpose.
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Product
Loop Meter
MZC-310S
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The MZC-310S is a professional portable meter for testing electrical installations with over-current circuit breakers. The instrument measures short-circuit L-PE, L-N and L-L loop and prospective short-circuit loop current. A measurements can be done either with low testing current (up to 42A) with 2-pole method or high testing current (up to 280A) with 4-pole method that enables measurements with very high accuracy and resolution.
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Product
Circuit Breaker Testing
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The DRM-1A™ is a lightweight and portable micro-ohmmeter designed to measure very low resistances from 1 μΩ to 200 Ω. It is the most accurate in its category.
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Product
Contacts Resistance Tester
JYK II
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•Instrument IPC architecture for domestic production of all models of metal contacts SF6 switchgear, GIS combination of electrical, vacuum switch, oil switch and column switches, contacts and so on.•Sensor: Acceleration speed sensor, rotation speed sensor, linear stroke sensorinstallation is very easy and simple.•Trigger: The trigger, external trigger, the sensor is triggered. Sensor can trigger the circuit breaker manually switching characteristic test, such as a manual column pole division switch.
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Product
First Trip Testing of Circuit Breakers
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Significance of Circuit Breaker "First Trip Time"A circuit breaker may not be called upon to operate and clear a fault for years, but when a fault occurs, it is expected to operate within it's published time-current characteristics. Unfortunately, frequently this does not happen... environmental contaminants, hardened grease, vibration and other factors can adversely affect the operating time of the circuit breaker.
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Product
Fault Locator
WEEZAP
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WEEZAP is an LV vacuum circuit breaker combined with advanced measurement and protection capability.
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Product
Switchgear Testing Solutions
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IES Systems is a world leader in the design and manufacturing of power switchgear test systems.*GFCI/AFCI Circuit Breaker Test Solutions*Medium Voltage Breaker Test Solutions*Residential Circuit Breaker Test Solutions*Molded Case Circuit Breaker Test Solutions*AIR Circuit Breaker Test Solutions*Vacuum Bottle Test Solutions
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Product
Standalone Sporadic Event Recorder For Circuit Breakers
OTM-XB
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The OTM-XB is the only standalone recorder to use the vibro-acoustic method that detects intermittent and sporadic operational faults on working circuit breakers.
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Product
Primary Injection Testers
AT-10B
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ETI’s AT-10B autotransformer steps-down 480V outputs to 240V outputs. This portable autotransformer allows ETI’s PI-1600 or PI-800 circuit breaker testers to be used at full-capacity on 240 and 480 VAC lines. The unit provides 240 VAC at 10 kVA, is housed in a rugged ABS enclosure approximately 22″ x 11″ x 22″, and weighs less than 125 lbs.
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Product
Voltage Detectors
JSC
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The JSC family of devices provides a highly reliable way to determine if voltage is present downstream of the disconnector or circuit breaker knives during zero-energy shutdowns. They dramatically increase the safety of personnel performing maintenance on electrical equipment. When voltage is present downstream of the disconnector knives, one or more LEDs on the JSC-88A will remain illuminated. The JSC's compact design allows for direct installation on the disconnector door, starter, or control panel.
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Product
Voltage & Continuity
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A voltage continuity tester is another way to determine if a circuit breaker needs to be replaced.
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Product
Portable Relay Tester
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The protective devices such as relays, overload coils, circuit breakers must be checked regularly to ensure that, they are always ready to operate correctly. If a fault occurs in the equipment, which they are protecting, routine relay testing will quickly detect the faulty, incorrectly adjusted protection circuit and will possibly prevent serious damage to plant or injury to personnel. Apart from checking the protective circuits correctly, it is usually necessary to measure its operating time. The micro controller based time interval meter is used for this purpose in all AJIT brand relay tester.
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Product
ST Fully-auto BDV Dielectric Oil Tester Set
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Chongqing Assen Power Equipment Co., Ltd
ST BDV Dielectric Oil Tester is ideal for speedy and accurate testing of dielectric strength of transformer and circuit breaker oil under-test room condition in accordance with international standard.
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Product
Contact Resistance Tester
JYL-200B/100B
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Product description: JYL-200B/100B contact resistance tester can measure contact resistance of high voltage switches and circuit breakeres, also can test primar side resistance of transformer and grounding wire in groups
