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IEC 60898 Test Equipment Test Of Time-Current Characteristic With 8 Stations
Standard:
IEC 60898-1 Electrical accessories – Circuit-breakers for overcurrent protection for household and similar installations – Part 1: Circuit-breakers for a.c. operation clause 8.6 and clause 9.10
Application:
This device is intended to test the tripping characteristic of the circuit-breakers. It can perform the test current as 1.13 In and 1.45 In.
Standard description:
A current equal to 1.13 In (conventional non-tripping current) is passed for the conventional time (see 8.6.1 and 8.6.2.1) through all poles, starting from cold (see table 7).
The circuit-breaker shall not trip.
The current is then steadily increased within 5 s, to 1.45 In (conventional tripping current).
The circuit-breaker shall trip within the conventional time. IEC Test Equipment
Test sample:
Circuit-breakers for overcurrent protection for household and similar installation.
Parameters:
| Parameters Name | Parameter Data |
| Input power | |
| Voltage | AC 220(1±10%)V |
| Frequency | 50Hz±1Hz |
| Capacity | 8kVA, 8 stations. IEC Test Equipment |
| Output power | |
| Current | 1.13 In, 1.45 In AC 0-10A, 50A, 200A, 8 workstations are output independently and automatically |
| Output current waveform distortion | <3% |
| Chronograph computer display | Timing range: 0-9h59m59s, resolution: 0.1s, Display accuracy: Level 1 |
| Current transformer transformation ratio | 200/5A, accuracy level: 0.2; |
| Transformer accuracy | 0.2 level |
