KEKGY-D Type (High Voltage) Circuit Breaker Mechanical Characteristic Tester (12 Breakpoints)

I. Product Overview:
With the advancement of science and technology, the demand for safe and reliable electricity usage is increasingly high. High-voltage circuit breakers bear the dual tasks of control and protection in power systems, and their performance directly affects the safe operation of the power system. Mechanical characteristic parameters are one of the key indicators for evaluating circuit breaker performance. 
The KEKGY-D Type (High Voltage) Circuit Breaker Mechanical Characteristic Tester (12 Breakpoints) is designed based on the latest standard GB1984-2003 "High Voltage Alternating Current Circuit Breakers" and references the power industry standard DL/T846.3-2004 "General Technical Conditions for High Voltage Test Equipment - Part 3: High Voltage Switch Comprehensive Testers." It provides convenience for dynamic analysis of various types of circuit breakers and is suitable for testing parameters of SF6 switches, GIS combination appliances, vacuum switches, oil switches, pole-mounted switches, contactors, and other metal contact switches produced domestically and internationally.

II. Technical Parameters
2.1. Operating Environment
◆ Input Power: AC220V±10％, 50Hz±10％
◆ Atmospheric Pressure: 86～106kPa
◆ Temperature: －10～40℃ 
◆ Humidity: ≤80％RH
2.2. Safety Performance
◆ Insulation Resistance: >2MΩ
◆ Dielectric Strength: Withstand 1.5KV power frequency voltage between power supply and casing for 1 minute, no flashover or arcing.
2.3. Basic Parameters
◆ Time: Range 25000.0ms              Minimum Resolution 0.01ms
Error ① 200 ms range          0.1ms±1 digit
② 2500 ms range         0.1ms±1 digit
③ 25000 ms range     1ms±1 digit    
◆ Closing Resistance: Range  1600Ω                 Resolution: 1Ω
◆ Speed: Range 20.00m/s                         Minimum Resolution 0.01m/s
Error ① Within 0-2m/s            ±0.1m/s±1 digit
② Above 2m/s                 ±0.2m/s±1 digit
◆ Travel:

◆ Current: Maximum Range 20.00A, Resolution 0.01A
◆ Output Power: DC0～280V digitally adjustable/20A (instantaneous operation), Resolution 1V.
◆ Dimensions: 360mm (L) × 280mm (W) × 300mm (H)
◆ Weight: 9.0kg

III. Performance Features
3.1. Performance
◆ Time: Inherent opening and closing times of 12 breakpoints, same-phase synchronization, phase-to-phase synchronization;
◆ Reclosing: Close-open, open-close, open-close-open process times for each breakpoint: first open time, first close time, second close time, short-circuit time, no-current time value;
◆ Bounce: Closing bounce time, bounce count, bounce process, bounce waveform, opening rebound amplitude for each breakpoint;
◆ Speed: Instantaneous opening speed, instantaneous closing speed, maximum speed, time-travel characteristic curve;
◆ Travel: Total travel, contact gap, overtravel, overshoot travel, rebound amplitude;
◆ Current: Opening and closing coil current values, current waveform diagram;
◆ Operating Voltage: Built-in DC0～280V/20A digitally adjustable circuit breaker operating power supply, automatically completes low-voltage operating tests for circuit breakers, measures the operating voltage value of the circuit breaker.

3.2. Features
◆ Suitable for mechanical characteristic testing of all types of SF6 switches, GIS combination appliances, vacuum switches, and oil switches produced domestically and internationally;
◆ Strong anti-interference capability, capable of performing tests and precise measurements even near live bypass busbars in 500KV substations;
◆ Acceleration sensor (optional), linear sensor, rotary sensor, easy and convenient installation;
◆ Obtain all data and corresponding waveform graphs of switch mechanical characteristics with one switch operation;
◆ The host can store on-site test data, with a built-in real-time clock for easy archiving of test dates and times;
◆ Large screen, wide temperature range, direct view, backlit LCD, full Chinese display of all data and graphs, electronically adjustable LCD contrast, power-off memory;
◆ Chinese menu operation, user-friendly. Built-in printer for quick printing of all data and graphs;
◆ Equipped with data analysis management software, can connect to a PC for operation, test results can be output to various dot matrix, laser, or inkjet printers for test reports, making on-site testing computerized.