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Products - Circuit Breaker - DZ50-63 Series Miniature Circuit Breaker
 
  DZ50-63 Series Miniature Circuit Breaker

DZ50-63 1P
DZ50-63 1P
1. Application
   DZ50-63 high switch-off ability miniature circuit breaker is applicable to a line of AC 50Hz/ 60Hz, rated voltage 230/400V and rated current up to 63A, used for overload and short circuit protection. It can also be used for infrequent line conversion under the normal condition.The breaker is applicable to industrial enterprise, commercially district, high-rise building and dwelling house. It conforms with the standards of IEC60898.

2. Main Technical Parameter
Type DZ50-63
Pole 1P 2P,3P, 4P
Rated current (A) 1,2,3,4,6,10,16,20,25,32,40,50,63
Rated voltage(V) 230 400
Type of instantaneous release B,C,D
Rated short circuit breaking capacity Icn(KA) 10
Life (times) 1-32A Electric life 8000
Mechanical life 20000
Operation frequency 240 times per hour
40-63A Electric life 8000
Mechanical life 20000
Operation frequency 120 times per hour

3. Applicable conducting wire
Rated current(A) Norminal cross section of wire mm2
1-6A 1
10A 1.5
16,20A 2.5
25A 4
32A 6
40,50A 10
63A 16

4. The over-current protection property
Ambient Temperature Initial Status Test Current Expected
Result
Expected Result Note
30?°C Cold position 1.13In t ≥ 1h Non-release ?
Carried out immediately after previous test 1.45In t<1h Release ?
Cold position 2.55In 1s<t<60s
(In ≤ 32A)
Release Current smoothly rises to specified value within 5s
Cold position 2.55In 1s<t<120s (In>32A) Release
-5~+40°C Cold position 3In t ≥ 0.1s Non-release Type B
Cold position 5In t<0.1s Release Type B
Cold position 5In t ≥ 0.1s Non-release Type C
Cold position 10In t<0.1s Release Type C
Cold position 10In t ≥ 0.1s Non-release Type D
Cold position 20In t<0.1s Release Type D

5. Dimension


DZ50-63 2P
DZ50-63 2P
DZ50-63 3P
DZ50-63 3P
DZ50-63 4P
DZ50-63 4P

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Circuit Breaker

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