DLZH-3 Circuit Breaker Comprehensive Performance Testing Machine

Meets standards: GB16917, GB14048.2, GB10963

Overview:

The comprehensive performance testing machine for circuit breakers is designed and manufactured according to the technical requirements provided by the customer, and complies with the national standards GB10963.1, GB10963.2, GB16917, and GB14048.2. For comprehensive performance tests such as instantaneous tripping characteristic test, circuit breaker temperature rise test, and circuit breaker 28 day life test of circuit breakers, it is suitable for online pre factory inspection of DZ series circuit breakers and is a necessary equipment for performance testing of small circuit breaker manufacturers. All actions are manually operated, judged, and adjusted. This plan strives for reasonable design, convenient use, simple operation, reliable performance, and beautiful appearance.

 

Main technical parameters (1): Instantaneous tripping characteristic test of circuit breaker

1 workstation

Equipment power supply voltage 220V ± 15%, 50Hz

Products with a maximum rated current of 100A in the current range range range

High current instantaneous peak trip current, adjustable AC current, maximum 1200A, digital display current true effective value

Time relay timing range 0.01s-99.99s

Current output waveform sine wave

Digital display instantaneous tripping time 0-20ms, resolution of 1ms

The current control method manually adjusts the required output current value

 

Main technical parameters (2): Delay tripping test of circuit breaker

Detect the number of poles in the product: "1 pole or multiple poles in series"

Current thermal trip action characteristic test AC current adjustable, can test up to 100A circuit breaker, digital display of effective current value

Current action characteristic test time: 0.01 seconds~99 minutes and 99 seconds, any preset, digital display test time

Output mode terminal

 

Main technical parameters (III): Temperature rise test

Test channel 8, capable of conducting varying degrees of testing on live circuit breakers or distribution cabinets

Sensor nickel chromium nickel silicon (K-type) thermocouple

Measurement temperature range -40-300 ℃

Measurement accuracy level 0.5

Display method: LCD screen displays comprehensively

Communication function RS-232

 

Features: Equipped with inspection (sampling interval time and automatic saving time can be set through software), fixed-point printing (printing interval time can be set)

 

Main technical parameters (4): 28 day life test

Test Station 1 Station

Test current 0-150A

Power on time adjustable from 0 to 99 hours

Power outage time adjustable from 0 to 99 hours

Test frequency 1 to 9999 times can be preset