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YCB9-63R series Miniature Circuit Breaker

Operating conditions
- Circumstance temperature -5℃~+40℃, average temperature within 24h not exceeding +35℃.
- Altitude above sea level less than 2000m.
- Humidity not exceeding 50% at 40℃ and not exceeding 90% at 25℃.
- Installation class ll or III.
- Installation method DIN Rail mountingtype.
- Product shall be installed at the place where there shall be no severe impact and vibration.
- The product should locate in the places where there are no obvious impact and shake.

 Basic Specifications

Ui 500V
Number ofpoles 1P/2P 3P4P
Rated trequencyHz 50/60
Rated voltageUe AC230V/400V AC400V
Rated Current In 1A,2A,3A,4A,6A,8A,10A,13A,
16A,25A,32A,40A,50A,63A
Therm0-magnefic release characteristic B/C/D
Rated shortcircut breaking capacltylon 15kA

Overcurrent Protection Characteristics

  Test Test
estcurren
Initial status Time limit
for tripping
or nottripping
Expected
resut
Testing
environment
temperature
Remarks
a BCD 1.13In cold state t≤1h Nottripping 30℃~35℃ current
ncrease
steadily
within 5s
b BCD 1.45In Right after
testnumbera
t<1h Tripping
C BCD 2.55  cold state 1s<t<60s
(In≤32A)
1s<t<120s
(In>32A)
Tripping
d BCD 3In
5In
10In
cold state ts0.1s Nottripping Tum on the power
supply byclosng
the auxilian switch
e BCD 5In
10In
20In
cold state t<0.1s Tripping Tumonthepower
supply byclosng
the auxilian switch
Note:The terminology"Cold state"means that the testis performed at the base
calibrationtemperature with no load prior to the test.