Phone number:0086-0577-61731588
Fax:0086-0577-61731588
Cell phone:+86 18072180777
Wechat:+86 18072180777
Website:www.china-relay.com
Zhiguang Industrial Zone, Liu Town, Yueqing, Zhejiang, China
The product description
Miniature circuit breaker ND47-63 for lighting distribution system (Type C) or motor distribution system (type D).Mainly used for ac 50Hz, rated voltage to 230V, 400V, rated current to 1A~63A circuit overload, short circuit protection, at the same time can not frequently break electrical equipment and lighting lines under normal conditions.
Conformity with standard: GB10963.1 IEC 60898-1.
Normal working conditions
Environmental humidity: -5℃~40℃, the average value within 24 hours does not exceed 35℃. Altitude: the altitude of the installation site does not exceed 2000m.
Main technical parameters
■Main specification: Rated hole In: 1A 2A 3A 4A 5A 6A 10A 16A 20A 26A 32A 40A 50A 63A
■Number of poles: A monopole B ii and C tripole D quadrupole
■Type of instantaneous trip by circuit breaker: Type C (5In~10In); Type D (10IN-16in)
■Rated operation short-circuit breaking capacity: LCN = LCS: 6KA
■Mechanical and electrical life
Electrical life: not less than 6000 mechanical life: not less than 20000 times.
Technical performance
The product type |
Rated current |
The number of Poles |
Voltage |
Breaking capacity (A) |
ND47-63(C) |
C1~C40 |
1 |
230/400 |
6000 |
C1~C40 |
2,3,4 |
400 |
6000 |
|
C50~C63 |
1 |
230/400 |
6000 |
|
C50~C63 |
2,3,4 |
400 |
6000 |
|
ND47-63(D) |
D1~63 |
1 |
230/400 |
6000 |
D1~63 |
2,3,4 |
400 |
6000 |
Overcurrent protection characteristics
Rated current ln (A) |
Initial state |
The experiment of current |
Set time |
The expected results |
Notes |
1~63 |
cold |
1.13ln |
t≤1h |
Don't trip |
|
1~63 |
Immediately after a top test |
1.45ln |
t<1h |
tripping |
The current rises to the specified value steadily within 5s |
1~32 |
cold |
2.55ln |
1s<t<60s |
tripping |
|
40~63 |
cold |
2.55ln |
1s<t<120s |
tripping |
|
1~63 |
cold |
5ln |
t≤0.1S |
Don't trip |
C Type |
1~63 |
cold |
10ln |
t<0.1S |
tripping |
C Type |
1~63 |
cold |
10ln |
t≤0.1s |
Don't trip |
D Type |
1~63 |
cold |
16ln |
t<0.1s |
tripping |
D Type |
Action characteristic curve
Rated current ln(A) |
1~6 |
10 |
16、20 |
25 |
32 |
40、50 |
63 |
Copper conductor nominal cross-sectional area(mm)² |
1 |
1.5 |
2.5 |
4 |
6 |
10 |
16 |
Note: Wiring is applicable to wire connection below 25mm², torque2.0N·m。
Outline and Mounting Dimensions (mm)
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