1.Application

Protection against short circuit

● Protection against overload

● Control

● Isolation

NDB1-32 series MCB is used in low voltage electrical distribution system in industry, business, power, and telecom and construction field.

2.Model and implication

Nader Brand	MCB DesignCode	Frame Size 32A	Tripping Curve C Curve	Rated current(A) 6、10、16	PolesEmpty =1P+N
				20、25、32

3.Main technical parameters

●Electrical parameters

○Rated working voltage (Ue): AC230V
○Rated current (In): 6A、10A、16A、20A、25A、32A
○Rated breaking capability: 4.5kA
○Rated operating capability : 4.5kA
○Impulse voltage endurance: 4kV

○Rated Insulation Voltage: 400V

●Mechanical & electrical endurance: 16000 times
electrical endurance: 5000 times；Mechanical endurance: 10000 times

●Wiring
○Adopt tunnel type wiring
○Connection capability: 1mm2 to 10 mm2
○Connection screw M4, Torque: 1.2N.m
●C curve
○Illumination distribution system
○Tripping characteristic: instantaneous trip between 5In to 10In
●Product certification and implementation standard.：
○Product certificate：CCC；
○Product certification standard：GB/T 10963.1，IEC60898-1
●Environmental requirements：RoHS
4.Working condition
●Ambient temperature: －40℃~＋70℃
●Relative air humidity ≤95%
●Altitude ≤2000m
●Pollution degree: 2
●Used in place without obvious shock and vibration
●Protection Degree: IP20
5.Tripping curves (reference calibration temperature 30℃)

Type C（5-10）In

6.Outline dimensions and installation

7Mounting
Modularized structure can be easily installed in TH35mm×7.5 Standard DIN rail.

8Packaging and storage
9.1Maximum packing quantity
1-pole: 12 pieces in a box, 12 boxes in an overwrap carton.
9.2The products 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
-40℃ to +80℃. In addition, there should not be acidic, alkaline and corrosive gas in the air.
The products should not be deposited more than 3 years in the above mentioned conditions since the producing date.

10Notices
10.1Manufacturer will take no responsibility for problems caused by disassembly privately.
10.2Attention to live part when the breaker is energized and avoid touching them.
10.3Manufacturer will take no responsibility for the quality problem caused by adjusting the characteristic of the breaker privately.
10.4Wiring properly to avoid mis-trip or terminal burn.