25 Year OEM,ODM$OBM Special Circuit Break Manufactory In China
  jack@yuanky.com
  jack_yuanky
  jack_yuanky@hotmail.com
Fax: 0086-577-62652370
Tel: 0086-577-62655872

APPLICATION


YFB1-63 series Miniature Circuit Breaker is nice in appearance, reasonable in
structure, sound in feature and high in breaking capacity. Installed with standard
din rail, it is convenient and easy in usage. It is mainly used in the line of AC
50/60Hz, rated working voltage to 240V/415V, and rated current up to 63A
to protect against overload and short-circuit. It can be used as infrequent on-
and-off operation and changeover.
It complies with standard of GB10963 and IEC/EN60898.
BASIC SPECIFICATION AND MAIN PARAMETERS

Frame class 63A
Rated working voltage   240/415V


Rated frequency   50/60Hz


Rated working current   1, 3, 6, 10, 16, 20, 25, 32, 40, 50, 63A


Making and breaking capacity   6000A(6~40A),4500A(50、63A)


Release type   B, C, D


Poles   1, 2, 3, 4P


Mechanical life   20000


Electric life   4000


THE OVER-CURRENT TRIPPING UNIT PROTECTION FEATURE


Sequence
NO .
  Release   Test
current I/In
  Start state   Tripping
time
  Expected
result
         
1   B、C、D   1.13In   Cold state   t≤1h   Not tripping






2   B、C、D   1.45In   Start right after
the serial NO .
1 test
  t<1h   Tripping






3   B、C、D   2.55In   Cold state   1s<t<60s   Tripping






4   B
C
D
  3In
5In
10In
  Cold state   t≤0.1s   Not tripping






5   B
C
D
  5In
10In
20In
  Cold state   t<0.1s   Tripping






DIMENSIONS