IEC 60947-1 Circuit Breaker Tripping Characteristics Comprehensive Testing Machine
IEC 60947-1 Circuit Breaker Tripping Characteristics Comprehensive Testing Machine
Product Information For Circuit Breaker Tripping Characteristics Comprehensive Testing Machine:
The test equipment is designed and manufactured according to the standard requirements of
IEC60898-1 clause 9.10, IEC60947-1 clause 7.2.1 and etc.
It is made to verify that the circuit-breaker complies with the requirements, which apply 1.13 times, 1.45 times, and 2.55 times the rated current to test to see if it trips within the specified time. The test equipment can also test the instantaneous tripping characteristics of the circuit breaker, that is, apply 3 to 10 times the rated current for the test whether it jumps out of the time. It is suitable for online testing of molded case circuit breakers and miniature circuit breakers before leaving the factory. It is a necessary equipment for electrical performance testing of circuit breaker manufacturers.
Technical parameters For Circuit Breaker Tripping Characteristics Comprehensive Testing Machine:
| Applied standard | IEC 60898-1 |
| Clause | 9.10 |
| Control method | IControl method, 10-inch color touch screen operation |
| Test items | Small instantaneous tripping characteristics, time, delayed tripping characteristics |
| Test station | Delay: one station; instant: one station; it meets 1-4P circuit breaker |
| Delay Trip Parameters | |
| Output AC current | 3~180A |
| Output AC voltage | 0~5V |
| Output current channel | 1-channel, multi-P circuit breaker contacts are connected in series to test several switches |
| Test miniature circuit breaker products | 3~63 |
| Current output waveform | Sine wave (correction equipment current waveform distortion is not more than 5%, system error is not more than 3%) |
| Current control method | Automatic adjustment, the current is set on the touch screen |
| Current accuracy | Level 0.5 |
| Voltage accuracy | Level 0.5 |
| Transformer ratio | 200/5A |
| Test time | 1~999999s |
| Current | After 1.13 times of current is applied, it quickly and automatically rises to 1.45 times of current in 5 seconds |
| Fixture | Adopt the terminal method, delayed: one station, instantaneous: one station. |
| Instantaneous trip test | |
| Fixture | Adopt the terminal method, delayed: one station, instantaneous: one station. |
| Output current | AC30A～1500A |
| Output current channels | 1 channel |
| Current accuracy | 0.5 level |
| Resolution | 1A |
| Instantaneous test time | ≤0.2s； |
| Action time upper limit setting | 1~200ms |
| Action time lower limit setting | 1~200ms； |
| Test station | 1 station |
| Timing time | 1~9999ms |
| Protective function: | Short circuit protection, overload protection, leakage protection |
| Temperature rise test | Under normal working conditions, when the circuit breaker is tested according to the specified conditions. The circuit breaker should not be damaged to affect its function or safety of use. |
| Temperature measurement channel | 8 channels, temperature resolution: 0.1 degrees |
| Thermocouple | T type |
| Temperature curve | Touch screen display with temperature data logging table |
| Temperature measurement range | 0~200 degrees |
| Configuration | Wires for temperature rise test: 1, 1.5, 2, 2.5, 4, 6 and 10, each specification has a length of 1 meter, and match 5 PCS for each specification; 16, 25, 50, and 70, each specification has a length of 2 meter, and match 5 PCS for each specification |
Equipment characteristics For Circuit Breaker Tripping Characteristics Comprehensive Testing Machine:
The equipment chamber is welded with high-quality steel, the plate is sprayed and sealed, and the surface is anti-static, anti-rust, and anti-corrosion sprayed. The upper part of the equipment is equipped with a panel, a power switch, and a variety of wire ends (for delay tripping test). The equipment is reasonably designed and used with the advantages of convenience, simple operation, reliable performance and beautiful appearance.
Test principle For Circuit Breaker Tripping Characteristics Comprehensive Testing Machine:
This test equipment adopts the principle of low voltage and high current output, uses the large current in the machine to isolate the output current of the transformer, sets the current size through the touch screen, and the constant current source adjusts the size of the output current of the transformer, which has the function of automatically stabilizing the current. Set the test time through the touch screen display and compare the test trip time to judge the quality of the circuit breaker.
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