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IEC 60947-1 Circuit Breakers Tripping Comprehensive Test Equipment

IEC 60947-1 Circuit Breakers Tripping Comprehensive Test Equipment

Standards & Clauses:

IEC 60947-1 Low-voltage switchgear and controlgear - Part 1:General rules

IEC 60898-1:2015 Electrical accessories-Circuit-breakers for overcurrent protection for household and similar installations-Part 1: Circuit-breakers for a.c.operation clause 9.10 Test of Tripping Characteristic

Product Information:

It is designed to test the time-delay tripping characteristics of circuit breakers by applying 1.13, 1.45, and 2.55 times the rated current to verify whether tripping occurs within the specified time range.

It is also capable of testing the instantaneous tripping performance by applying 3 to 20 times the rated current to determine if the breaker responds within the required time limits.

This equipment is particularly suitable for online pre-shipment testing of molded case circuit breakers (MCCBs) and miniature circuit breakers (MCBs), making it an essential solution for electrical performance verification in circuit breaker production lines.

Featuring quick fixture setup, fully automated testing procedures, and intelligent result evaluation, it greatly improves production efficiency and quality control for manufacturers.

Test Method:

This testing equipment adopts the principle of low voltage and high current output, uses the internal high current isolation transformer to output current, sets the current size through the touch screen to control the constant current source, and the constant current source controls the transformer primary input voltage size to adjust the output current size. It has the function of automatically stabilizing the current. The test time is set through the touch screen display and compared with the test trip time to judge the quality of the circuit breaker.

Equipment input power: three-phase 380V/50HZ/10KVA;

Testing characteristics of molded case circuit breakers: small instantaneous tripping characteristics, delayed tripping characteristics, temperature rise test

Control mode: PLC touch screen control

Technical Parameters:

Constant temperature chamber	The constant temperature chamber is combined with the test machine to maintain the temperature: room temperature ~ 50 degrees, temperature resolution 0.1 degrees, temperature stability ± 1 degree.
Delay tripping parameters	Output AC current: 3~350A; Output AC voltage: 0~5V; Output current path: 1 path, multi-P circuit breaker contacts are connected in series to test several switches; Test small circuit breaker products: 3~125A Current output waveform: sine wave (correction equipment current waveform distortion is not more than 5%, system error is not more than 3%) Current control mode: automatic adjustment, current is set on the touch screen; Current accuracy: 0.5 level; Voltage accuracy: 0.5 level; Transformer ratio: 400/5A; Test time: 1~999999s; After applying 1.13 times the current, it will automatically rise to 1.45 times the current in 5 seconds;
Instantaneous tripping test parameters	Fixture: adopts terminal method, instantaneous one station; meets 1-4P circuit breaker Output current: AC 100A~10000A; Number of output current paths: 1 path, Current accuracy: 5 levels; 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 Equipment control method: PLC+touch screen control Timing time: 1~999ms; Protection function: short circuit protection, overload protection, leakage protection; Ambient temperature: 0 ~ +40℃; 15) Relative humidity: (20 ~ 90)%RH; Chassis size: length 100width 780height 1600
Temperature rise test	When the circuit breaker is under normal working conditions and tested according to the specified conditions, the temperature rise of each component shall not exceed the limit value specified in Table 7; The circuit breaker should not be damaged to affect its function or safe use; 8-way temperature measurement, temperature resolution 0.1 degree; Wires for temperature rise test: 1, 1.5, 2, .5, 4, 6, 10, each specification is 1 meter long, 5 pieces each; Wires for temperature rise test: 16, 25, 50, each specification is 2 meters long, 5 pieces each; Special glue for temperature rise: 1 bottle; Glue dissolving water: 1 bottle; Measurement range 0~200 degrees; Thermocouple model: T type; With temperature curve display; With temperature data recording table.

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Categories	MCB Testing Machine
Brand Name:	Sinuo
Model Number:	SN2501
Certification:	Calibration Certificate (Cost Additional)
Place of Origin:	China
MOQ:	1
Price:	Customized
Payment Terms:	L/C, , T/T, Western Union, MoneyGram
Supply Ability:	10 set per month
Delivery Time:	30 Days
Packaging Details:	Plywood
Applied Standard:	IEC 60947-1, IEC 60898-1
Tripping Test Content:	Delay, Instantaneous Tripping Test
Output AC Current:	3~350A
Current Accuracy:	0.5 Level
Output AC Voltage:	0~5V
Voltage Accuracy:	0.5 Level