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Hydraulic- magnetic circuit breaker, NDB3-30 Z4 1P Circuit Breaker for Equipment

Low Voltage Product 1220

Application

NDB3-30 series circuit breaker for equipment (hhydraulic-magnetic circuit breaker) is used in the power system with rated current from 0.1A TO 30A, rated voltage up to AC250A(50/60Hz) or DC80V. It provides overload, short circuit protection. It can also be used for infrequent close or open. The application fields are computer and peripheral equipment, industrial automatic control system, telecom equipment, power supply system, UPS, railroad, marine, spacecraft, elevator, portable power supply and so on.

NDB3-30(1)-Z4 (2) 20(3)/2(4) Q(5) H(6) Y1(7)-2(8)-0(9)-R(10)

1Frame Size30
2Tripping CurveZ2 DC short delay Z4 DC medium delay
J2 AC short delay J4 AC medium delay
3Rated Current of Standard CBE(A)0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.75,0.8,0.9,1,1.5,2,2.5,3,3.5,
4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10,11,12,13,14,15,16,
17,18,19,20,21,22,23,24,25,26,2728,29,30
4Rated Current of Lighting10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
5Number of Poles1 One Pole 2 Two pole
6Mounting MethodQ Snap-in mounting
7Wiring MethodH Solder-in/ Q.C.tab type
C Push-in stud
E Screw 8-32UNC type
J Screw 8-32unc with upturned lugs
P Screw M4 type
R Screw M4 with upturned lugs
8Actuator Type CodeY1 Black ocker, vertical white legend
Y2 Black rocker, horizontal white legend
Y3 White rocker, vertical black legend
Y4 White rocker, horizontal black legend
Y5 Orange rocker, vertical black legend
Y6 Orange rocker, horizontal black legend
Y7 Red rocker, vertical black legend
Y7 Red rocker, horizontal black legend
9Case Color Code1. Black 2. Gray
3. Black without rocker guard
4. Gray without rocker guard
10Accessory Code0 No accessory
11Certificate codeNo code TUV,CE, CCC
R UL1088, TUV,CE,CCC
L UL489A Listed, TUV, CE,CCC
NDB3-30 Specification
Standards:IEC 60934, GB/T 17701, UL1077, UL489A
Rated Working Voltage(Ue)AC 250V(50/60Hz), DC80V, DC65V
Power Frequency Withstand Voltage2500V (The withstand voltage of products using in altitude of 4000m is tested under 2500V*1.29 at sea level in the factory)
Mechanical/ Electrical
Endurance
10000/6000 times
Tripping ModelHydraulic-magnetic type
Trip-free Featurewith trip-free mechanism
Vibration Test Parametersweep frequency 8Hz-500Hz-8Hz within sine wave, accelerated speed is 3g
Shock Test Parametersshock pulse period is 30ms, shock is 30g
Rated Voltage (V)FrequencyRated Current (A)Number of PolesBreaking Capacity (A)
3C (GB/T 17701)UL1077UL489ATUV/CE (EN60934)
IncIcnIncIcn
AC 250V50/60Hz0.1~301, 21500010001000, U1/15001000
DC 80V/0.1~301, 210006001000, U1/1000600
DC 65V 1~301, 2/1000////
DC 80V/0.1~301///600//
DC 65V/0.1~301///1000//

Working conditions

  • Operation temperature: -40℃~+85℃
  • Altitude:≤2000m
  • Humidity:≤95%
  • Service place without explosive media, gas, and dust which are corrosive and conductive
  • Be mounted free from rain and snow
Curves/ CurrentIn135%In200%In600%In10000%In
Z2/J2No Trip0.3~70.1~20.008~0.30.005~0.1
Z4/J4No Trip3~701~150.008~20.005~0.35

Packing and depositing:

  1. Minimum packing quantity:
  • 1-pole: 18 pieces in a box, 12 boxes in an overwrap carton
  • 1-pole(Integrated terminal product):12 pieces in a box, 12 boxes in an overwrap carton
  • 2-pole:12 pieces in a box, 12 boxes in an overwrap carton

      2. The product should be stored in the warehouse where there is ventilation. The relative humidity there should not exceed 80%, and the ambient temperature there is between -25℃ to +60℃. In addition, there should not be acidic, alkaline and corrosive gas in the air. The productss should not be deposited more than 3 years in the above mentioned condition since the producing date.

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