Residual Current Action Circuit Breaker, RCCB

1.Application Scope and Purpose

• Short-circuit protection
• Overload protection
• Current leakage
• Isolation
• The NDB2LE-40 series of residual current action circuit breakers provide the ground leakage, direct or indirect electric shock by human body and other faults protection, which are applicable to the low-voltage terminal distribution in the industry, civil buildings, energy, communication, infrastructure and other fields.

2.Main technical specification

Electric parameter

• Rated working voltage (Ue): AC230/240 V
• Voltage frequency(f):50/60Hz
• Rated current(In): 2A,4A,6A,10A,16A,20A,25A,32A,40A
• Rated residual current(In): 30mA，100mA , 300 mA
• Rated limited short-circuit current（Inc）: 6kA
• Impulse withstand voltage:4kV
• Mechanical and electrical life:10000 times
• Rated residual making and breaking capacity ：500A
• Residual current operating characteristic：A, AC

Isolation function:Actual breaking instructions

Wiring:

• Tunnel type terminal
• Connection area:1mm2～16mm2

Standard reference: GB/T 16917.1、IEC 61009-1、GB/T16917.22、IEC61009-2-2

Environmental protection standard:Meeting RoHS requirement

3.Working Condition

• Altitude: ≤2000m
• Ambient temperature: -25℃~+60℃
• Resistant to the humid air (moisture resistance): The humidity is 90%-96% and 95%-100% at 55℃ and 25℃ respectively.
• Resistant to salt mist and oil mist.
• Service place without explosive media, gas and dust which are corrosive and conductive.
• A place free from rain and snow.

4.Package and storage

6 pcs per box. Packing cartons of products should be stored in the warehouse where the air circulation and relative humidity is not more than 80% and the temperature is not higher than + 80℃ and not less than - 40℃. Without acidic, alkaline and other corrosive gas. Under the above conditions, the storage period since the production date is not more than three years.