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Circuit Breaker Testing
HAOMAI Electric Test Equipment Co., Ltd.
Circuit Breaker Testing is utilised to test the operation of each switching systems and the programming of the entire tripping structure.
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Circuit Break Timer Test Set
PME-500-TR
Before developing the system or equipment for the testing of a circuit break timer for distribution, the application information was obtained by consulting various users of this type of timer for circuit breaker. The customers consulted were from private service and maintenance companies, large industries, and of course from the Utility companies. It is essential to receive first hand information of the actual requirements and needs of each of these customers who are making these types of tests and then make a detailed study of the various alternatives offered by different manufactures of this type of circuit breaker timer.
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Rapidox 6100 Pump Back Gas Analyser
The Rapidox SF6 6100 Pump Back is a fully-automatic zero-emissions SF6 gas analyser, designed for controlling and monitoring the quality and purity of gas used in high voltage switchgear, circuit breakers and transformers.
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Coil Analyzers
SAT Series
The Coil Analyzers SAT30A and SAT40A are powerful, lightweight units ideal for testing of circuit breakers. Substation battery is not connected or available. The SAT series instruments are intended to supply circuit breaker coils and spring charging motors. They spring charging motors (SAT40A – AC and DC) as a part of commissioning and maintenance testing.
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Circuit Breaker Test System
TDR9100
The Doble TDR9100 Circuit Breaker Analyzer is a state-of-the-art circuit breaker test set for testing all types of circuit breakers with efficient and accurate performance measurements.
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Circuit Mapper System
CMT24S/CMT42S
The Circuit Mapper is the first device of its kind that maps branch circuits of wiring systems concurrently with a single transmitter and receiver. Traditional methods of identifying circuit breakers and wiring are inefficient and expensive, often requiring two people to perform. With sensitive electronic equipment, simply turning breakers off and on is no longer a viable option.
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Circuit Breaker Testing Equipment (SCOT Series)
SCOT MXP
SCOT MXP measures, displays and prints CLOSE, OPEN and CLOSE-OPEN time in various configurations. The MXP has a special mode to measure Pre-Insertion Resistor (PIR) closing time
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Relay Test Set
RNT-5A
This is a portable testing kit in one unit, suitable for testing protective relay, over current relay, earth fault relay, protective device, circuit breaker, tripping coils etc.The set is designed for both laboratory and field use. TECHNICAL FEATURES: INPUT : 230 Volts, single phase, 50Hz. AC. OUTPUTS : : 1) Current Output: a) 0- 1Amp. At 6/60Volts. (Continuous duty). b) 0- 5 Amps. At 6/60 Volts. (Continuous duty). c) 0- 10 Amps. At 6/60 Volts. (Continuous duty). d) 0- 20 Amps. At 6 Volts. (for30 min. duty). e) 0- 50 Amps. At 6Volts. (For 10 min. duty). f) 0-100 Amps. At 6 volts. (For10 min. duty). g) 0-200 Amps at 6Volts. (For 30 sec. duty). Current output is continuously variable and the output is taken out through a multi range C.T. The secondary is connected to an ammeter scaled in 0 to 100%. Output current range 1Amp. To 20Amps. Are selected by current range selector switch with common output terminals and for other three ranges three brass terminals are provided of proper ratting. 2) AC Voltage Output: Continuously variable 0 -230V AC. Capacity- 240VA (Max). OR DC Voltage Output: Continuously Variable 0-240V DC. Capacity-240VA.(max). One change over switch should be provided for selection of Volt. Meter for AC or DC voltage output & either AC or Dc voltage should be available at a time. 3) Time Measurement: 0-9.999Secs. & 0-99.99Secs. in two ranges. Accuracy: 1% CURRENT CIRCUIT: Loading transformer: Double winding loading transformer of suitable burden to provided corresponding current output specified before. One change over switch in current ckt. To be provided for voltage selection i.e. selection of 10volt. Or 50volt. Measuring CT: Multi ratio wound primary current transformer Ratio : 1-5-10-20-50-100-200A/5A. Variable auto transformer: For smooth variation of current output at various ranges selected. Tripping circuit: The current output will be cutoff incase of any overload for the range 200A or even if the relay under test actuated.
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Circuit Breaker Tester
LAN & Breaker
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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3 Phase Relay Test Set
This is a portable Relay Testing Set suitable for testing different types like over current, earth leakage relays, circuit breakers of 1A – 50A rating etc. All the components are assembled and enclosed with a portable air cooled M.S.cabinet.
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Three-Phase HV Vacuum Contactors & Circuit Breakers
B-1005/6
*Three Phase*Upright or Low Profile for High Reliability*½ to 2 Cycle Trip & Interrupt*208V to 38kV Operate*200 to 1,200A Continuous*2,000 to 28,000A Interrupt*Line or Energy Storage Close & Trip*Ideal for High Power Electronics*High Speed Sealed Arc Interrupting*High Speed Crobar Shorting*Compact, Light Weight*Long Life*Minimum Reignitions*Minimum Restrikes
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AC Electronic Load
AC&DC Electronic Loads are design for testing uninterruptible power supplies(UPS), Off-Grid Inverters, AC sources and other power devices such as switches, circuit breakers, fuses and connectors.
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Insulation & Multifunction Tester (LCD Display)
4167 MF
Standard Electric Works Co., Ltd
● High Quality Taut Band movement.● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● Test test leads are supplied as standard accessories for simplified two-wire measuring system.● Two insulation test voltages(DC) : 250V and 500V.● Alternation voltage measurement.● Battery life indicator.● Fuse protected.
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Circuit Breaker Identifiers
188 FFF
Standard Electric Works Co., Ltd
● The 188FFF doesn't have the function of the sensitivity adjustment. If the customers need the sensitivity adjustment function, plase refer to other models.● The 188FFF is a Fuse and Fault Finder which comprises of two parts : The Receiver and the Transmitter.● The Transmitter, draws a current from the mains supply circuit to which it is connected to. The Signal● Current from the Tx is at about 10kHz. The Transmitter is powered by the mains and requires no batteries.● The 10kHz signal current generated by the Transmitter is then searched(sniffed) by the Receiver to detect the Fuse, Circuit Breaker or the faulty circuit.● The Receiver is a tuned circuit which has it's center frequency tuned to about 10kHz. The sensor is located in the tip of the Receiver.● The amplitude of the received signal is shown on a bar-graph type Leds.● The more Leds ON, the stronger the signal.
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Socket Outlet Tester
Using the new Testavit Schuki 1 LCD and 3 LCD, specialists easily check to see if sockets, cable drums or connecting cables are correctly connected in 230 V installations. Due to three LEDs, the connection status can be quickly and clearly determined. In addition, through the finger contact, it can be tested to see whether an impermissible, high contact voltage is applied at the protective earth connection. In addition, using the Testavit Schuki 1 LCD, a 30 mA FI circuit breaker (RCD) can be triggered via a pushbutton.
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Contact Resistance Meter
The Motwane Manufacturing Company
High contact resistance values are a definite cause of the failure or less than optimal performance in a wide variety of electrical devices. Contact resistance testing is therefore most critical to measure the resistance of electrical connections in switching devices, circuit breakers, isolators, busbars, relays, joints, connectors, cables, and cable joints. The device helps to find destructive or corroded contacts and hence protects substation devices from damage.
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Contact Resistance Meter
CRM 100C
CRM 100C directly measures resistance values with DC current injection under live switchyard conditions.The CRM 100C is specially designed to reliably measure contact resistance of Circuit Breakers, Isolators, Bus Bar joints, welded joints etc., under the hostile electrostatic noise found in live EHV switchyards. It can also be used for testing cables, graphite bars etc.
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Primary Current Injection Testers
Primary current injection tests are carried out during commissioning and certification of various types of switchgear and current transformers (CT), as well as during diagnostics of grounding circuits, testing circuit breakers and other devices. Primary current injection testers can also be used for determining the terminals polarity and transformation ratio of current transformers, thermal testing of electrical devices, testing automatic reclosers and sectional disconnectors.
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Miniature Circuit Breakers
Miniature circuit breakers are applied to protect electric applications against an over current. When an electrical circuit is not protected the application can be damaged and unsafe situations may happen like fire. Mors Smitt delivers a wide range of miniature circuit breakers specially designed and tested according to railway regulations.
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Circuit Breaker Testing Equipment (SCOT Series)
SCOT MXP+
SCOT MXP+ measures, displays and prints CLOSE, OPEN and CLOSE-OPEN time of 2 Main + 2 PIR contacts per pole, 3 poles simultaneously, ensuring measurement of 6 Main + 6 PIR contacts simultaneously. Ideally suitable for CBs having PIR contacts & multiple breaks per pole
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Fault Locators
For the first time, you can detect the type of fault and locate the position of an electrical fault that causes intermittent or persistent circuit breaker trips, thus giving you the critical information needed to reduce call backs for circuit breaker trips.
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HV Circuit Breaker Analyzer
CBA-32P
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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Primary Injection Test System
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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Milli-Ohmmeter and Bond Meter, Portable, 10 µΩ to 20Ω
R1L-BR
The R1L-B series Ohmmeter/Bonding Tester is a digital microohmmeter designed to measure resistances from 10 to 20 . It is used in applications such as metal bonding, switch, circuit breaker, circuit resistance and other contact and connection resistance tests as well as higher resistance measurements for circuit analysis and resistor testing up to 20 . The instruments utilize the four-terminal, Kelvin technique to eliminate errors caused by the resistance of the leads. Resistance readings are viewed on a 3 1/2 digit display,
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Voltage Detectors & Others
Voltage Detectors, Circuit Breaker finder, Portable working lamp are Indispensable equipment which must always accompany the technician. Its essential characteristics are an extreme handiness, a very high protection degree and easiness of use.
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Digital Circuit Breaker Analyzer
CT-3500 S2
The CT-3500 S2 is Vanguard’s second generation, stand-alone, digital, microprocessor-controlled, circuit-breaker timer. It measures the elapsed time from the instant a breaker coil is energized to the instant of opening or closing of a circuit-breaker’s dry contacts. In addition to timing a breaker’s contact response time, the CT-3500 S2 can also time relays or other switching functions that use an initiating trigger voltage (24-300 Volts DC or AC). The timer-triggering voltage starts three independent electronic timers. Each timer is individually stopped by its respective dry-contact closing or opening. The CT-3500 can fully analyze the timing of all circuit breaker operations (Open, Close, Open – Close, and Close – Open). Timing results are displayed in milli-seconds and cycles on the unit’s back-lit LCD screen and can be printed on the built-in 2.5-inch wide thermal printer.
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Turn-Key Short Circuit Laboratories
For low and medium voltage switchgear including :*Circuit breakers*Contactors*Disconnect switches*Fuses*Miniature circuit breakersApplied tests for low and medium voltage switchgear :*Dielectric withstand test*Impulse withstand test*Breaking capacity test*Mechanical life testElectrical life test*Over load performance test*Short circuit breaking capacity test**Short time short circuit impulse current test*Temperature rise test*Operation performance testTests for low & medium voltage panels :*Short time short circuit impulse current test*Dielectric test*Impulse withstand voltage test*Temperature rise test
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Circuit Breaker Time Interval Meter
Measuring contact timings is useful for finding the contact bounces and non-simultaneity of contacts. This helps in finding the possible electrical or mechanical defects in the circuit breaker contacts. Timing analysis also make it possible to detect incorrect mechanical adjustments and wear phenomena of the circuit breaker by measuring the differences between the fastest and slowest phases.
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Comparative Tracking Index Tester
The Comparative Tracking Index Tester is used to test the resistance to tracking of solid insulators or parts of insulators used in electrical appliances and accessories. This test is mandatory for manufacturers of most of the electrical products such as circuit breakers, meters, switches, sockets, plugs, starter holders, connectors, etc.
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ST Fully-auto BDV Dielectric Oil Tester Set
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.
