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Quality Inspection for Motorized Circuit Breaker – DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa


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Quality Inspection for Motorized Circuit Breaker – DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa Detail:

 Advantages

• Two types of overcurrent protection – thermal and electromagnetic.
• Independent contact position indicator.
• DIN rail latch with a double fixed position.
• Wide range of operating temperatures from –40 to +50° С.
• Wide engagement lever with improved contact area.
• Notches on terminal clamps lower thermal losses and boost the mechanical stability of connection.

Electrical Parameters of DAB7N-40 Min iature Circuit Breaker

Standard of conformity: IEC60898, GB10963
Rated power: 50-60HZ
Rated voltage: 230V
Rated current: 40A
Rated insulation voltage: 500V
Impulse withstand voltage: 4KV
Endurance: no less than 180,000 times of on-off
Instantaneous trip type: B/C
Rated breaking capacity: 6
Release type: thermo-magnetic

Mechanical Parameters of DAB7N-40Miniature Circuit Breaker

Protection grade: IP20
Electric wire: 1~35mm2
Working temperature: -5~+40℃
Flame retardant grade: grade2
Altitude: ≤2000
Class of pollution: 2
Installation environment: Avoid obvious shock and vibration
Installation grade: grade II
Installation method: Using 35mm guide rail according to IEC standard
Terminal type: Dual-purpose terminal can be connected to the bus bar and conductor.
Terminal connection ability: conductor 1-25mm2, bus bar thickness 0.8-2mm
Guide rail: DIN35guide rail

Technical Features

MCB DAB7-40
For protection of general power distribution (IEC/EN 60898-1)

 DAB7N-40 series DPN Miniature Circuit breaker(MCB)1818

Poles

1P

Electrical performance
Functions

short circuit protection,overload protection,isolationg,control

Rated frequency f(Hz)

50-60Hz

Rated working voltage Ue(V)AC

230

Rated current In ( A)

40

Rated insulated voltage Ui( V)

500

Impulse withstand voltage Uimp(kV)

4

Instantaneous tripping type

B/C

Rated short circuit Icn(kA)                        DAB7-40

6

Release type

Thermal magnetic type

Service life(O~C)

Mechanical

 Actual value

12000

 Standard value

4000

Electrical

 Actual value

6000

 Standard value

4000

Connection and installation
Protectiom degree

IP20

Wire                                            mm²

1~35

Working temperature

-5~+40℃

Resistance to humidity and heat

Class 2

Altitude above sea

≤2000

Relative humidity

+20℃,≤90% ;+40℃,≤50%

Pollution degree

2

Installation environment

Avoid obvious shock and vibration

Installation class

ClassⅡ, ClassⅢ

Mounting

DIN35 rail

Combination with accessories
Auxiliary contact

Yes

Alarm contact

Yes

Shunt release

Yes

Undervoltage release

Yes

Auxiliary contact+Alarm contact

Yes

Dimensions(mm)  (WxHxL)         

a

18

b

80.7

c

72


Product detail pictures:

Quality Inspection for Motorized Circuit Breaker – DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa detail pictures

Quality Inspection for Motorized Circuit Breaker – DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa detail pictures

Quality Inspection for Motorized Circuit Breaker – DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa detail pictures

Quality Inspection for Motorized Circuit Breaker – DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa detail pictures

Quality Inspection for Motorized Circuit Breaker – DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa detail pictures


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  • The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Madeline from Angola - 2017.11.29 11:09
    This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
    5 Stars By Fiona from Italy - 2018.06.18 19:26
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