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Products - Circuit Breaker - DZ48N-63 Series Miniature Circuit Breaker
 
  DZ48N-63 Series Miniature Circuit Breaker

DZ48N-63 1P
DZ48N-63 1P
1. Application
   DZ48N-63 miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three, four poles for protecting overload and short circuit, and rated cur-rent up to 63A. It can also be used for infrequent line conversion under the normal condition.The breaker is applicable to lighting distribution system in industrial enterprise, commercially district, high-rise building and dwelling house. It conforms with the standards of IEC60898.

2. Main Technical Parameter
Type DZ48N-63
Pole 1P 2P,3P, 4P
Rated current (A) 6,10,16,20,25,32,40,50,63
Rated voltage(V) 230 400
Type of instantaneous release C D C D
Rated short circuit breaking capacity Icn(KA) 1-40A:6
50-63A: 4.5
4.5 1-40A:6
50-63A: 4.5
4.5
Life (times) 1-32A Electric life 4000
Mechanical life 6000
Operation frequency 240 times per hour
40-63A Electric life 4000
Mechanical life 6000
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
DZ48N-63 2P
DZ48N-63 2P
DZ48N-63 3P
DZ48N-63 3P
DZ48N-63 4P
DZ48N-63 4P

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Circuit Breaker

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