Cdada 18mm Circuit Breaker RCBO 4p for Residual Current Protection

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Manual Type
• Model NO.: DAB7n-40 DPN
• Arc-extinguishing Medium: Arc Chamber
• Installation: Fixed
• Structure: MCB
• Poles Number: 1p+N
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000, CE, CB, CCC
• Width: 18mm
• Transport Package: Carton
• Specification: 6, 10, 16, 20, 25, 32, 40A
• Trademark: CDADA, OEM, ODM
• Origin: Shanghai
• HS Code: 85362000
• Production Capacity: 10000PCS/Month

Product Description

Introduction

DAB7N-40 Series miniature circuit breaker adopts double-break point of 1P+N,the two poles are insulated and isolated from each other,under synchronous operation,N-pole always will make first and break later, which guarantees electric arc breaking capacity of protected pole, also ensures safety of controlled circuits and electric equipment.

Advantages

• Experience peace of mind with our dual-layer overcurrent protection, integrating both thermal and electromagnetic mechanisms for ultimate safety.
• Benefit from our clear and independent contact position indicator, ensuring accurate monitoring at a glance.
• Our circuit breaker boasts a robust DIN rail latch, offering a double fixed position for enhanced stability and security.
• Engineered to perform across a broad spectrum of extreme conditions, from a chilling -40 to a sweltering +50° С.
• Our wide engagement lever is designed for superior contact area, ensuring seamless connectivity.
• Innovative notches on terminal clamps minimize thermal losses while significantly enhancing mechanical connection stability.

Electrical parameters of DAB7N-40 miniature circuit breaker
Standard of conformity: Meeting international standards IEC60898 and GB10963 for assured quality.
Rated power: Operates efficiently within the 50-60HZ frequency range.
Rated voltage: Optimized for a dependable 230V operation.
Rated current: Designed to handle up to 40A with ease.
Rated insulation voltage: Offers a solid 500V insulation rating for enhanced safety.
Impulse withstand voltage: Withstands up to 4KV of impulse voltage for robust protection.
Endurance: Built to last with a remarkable endurance of no less than 180,000 on-off cycles.
Instantaneous trip type: Available in B/C, providing quick response to faults.
Rated breaking capacity: Sustains a rated breaking capacity of 6 for reliable operation.
Release type: Incorporates thermo-magnetic release technology for consistent performance.
Mechanical parameters of DAB7N-40 miniature circuit breaker
Protection grade: Rated at IP20, offering effective protection against particles and touch.
Electric wire: Compatible with wire sizes ranging from 1 to 35mm, ensuring versatility.2
Working temperature: Performs within a temperature range of -5 to +40ºC, suitable for various environments.
Flame retardant grade: Meets grade 2 standards, ensuring enhanced fire safety.
Altitude: Operates effectively at altitudes ≤2000 meters.
Class of pollution: Classified as pollution class 2, offering reliable performance in diverse settings.
Installation environment: Designed to avoid noticeable shock and vibration for secure installation.
Installation grade: Rated at grade II, ensuring precise installation standards.
Installation method: Easily mounted using a 35mm guide rail, adhering to IEC standards.
Terminal type: Features a dual-purpose terminal for seamless connection to both bus bars and conductors.
Terminal connection ability: Supports conductor sizes from 1-25mm for diverse applications.2, accommodates bus bar thicknesses of 0.8-2mm for comprehensive connectivity.
Guide rail: Compatible with the industry-standard DIN35 guide rail for easy installation.
Technical Features

MCB DAB7-40
For protection of general power distribution (IEC/EN 60898-1)
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 ~+40ºC
Resistance to humidity and heat			Class 2
Altitude above sea			≤2000
Relative humidity			+20ºC , ≤90% ;+40ºC , ≤50%
Pollution degree			2
Installation environment			Avoid obvious shock and vibration
Installation class			Class II , Class III
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