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)

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

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.