DAB7n-40 Dpn MCB 10ka RCBO 18mm Circuit Breaker Specification 40A

• 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 unrivaled protection with our dual mechanisms of overcurrent security - both thermal and electromagnetic, offering the pinnacle of reliability and safety.
• Benefit from enhanced safety with our independent contact position indicator, ensuring absolute precision and clear identification at all times.
• Our DIN rail latch features a robust dual fixed position, assuring steadfast installation and long-lasting durability.
• Engineered to perform in extreme conditions, this device boasts a broad operational temperature range from -40 to +50°C, adapting seamlessly to demanding environments.
• The wide engagement lever maximizes contact area, delivering superior performance and reliability with every use.
• Innovative notches on terminal clamps significantly reduce thermal losses and amplify the mechanical stability of the connection, ensuring unparalleled performance.

Electrical parameters of DAB7N-40 miniature circuit breaker
Upholding standards of excellence, our products conform to IEC60898 and GB10963, ensuring unmatched quality and safety.
Rated power: 50-60HZ, delivering consistent and efficient energy management.
Rated voltage: 230V, perfectly designed for optimal functionality.
Rated current: 40A, engineered for robust performance and reliability.
Rated insulation voltage: 500V, ensuring superior protection and durability.
Impulse withstand voltage: 4KV, designed to handle voltage spikes effortlessly.
Endurance: Ensures no less than 180,000 operational cycles, guaranteeing long-term dependability and efficiency.
Instantaneous trip type: B/C, delivering precise and immediate response when needed.
Rated breaking capacity: 6, ensuring maximum performance in fault conditions.
Release type: thermo-magnetic, providing responsive and effective circuit interruption.
Mechanical parameters of DAB7N-40 miniature circuit breaker
Protection grade: IP20, offering reliable protection against solid objects and dust.
Electric wire: 1~35mm, accommodating a wide range of wiring needs.2
Working temperature: -5~+40ºC, ensuring reliable performance under varied thermal conditions.
Flame retardant grade: grade2, crafted for enhanced safety and reduced fire risk.
Altitude: ≤2000, designed to function effectively at various elevations.
Class of pollution: 2, ensuring operation in moderately polluted environments.
Installation environment: Designed to withstand and perform in environments free from significant shock and vibration.
Installation grade: grade II, engineered for robust and secure installation.
Installation method: Seamlessly installs using a 35mm guide rail, in accordance with IEC standards.
Terminal type: Versatile dual-purpose terminal, designed for both bus bar and conductor connections.
Terminal connection ability: Supports conductor dimensions of 1-25mm, ensuring flexibility and adaptability.2Accommodates bus bar thickness from 0.8-2mm, providing versatile installation options.
Guide rail: Compatible with DIN35 guide rail for secure and standardized 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