Hot sale Factory Electrical Miniature Circuit Breaker

Just about every member from our large efficiency income crew values customers’ wants and enterprise communication for Hot sale Factory Electrical Miniature Circuit Breaker, We invites you and your enterprise to thrive together with us and share a bright future in global market.
Just about every member from our large efficiency income crew values customers’ wants and enterprise communication for China MCB and Miniature Circuit Breaker, Our advantages are our innovation, flexibility and reliability which have been built during last 20 years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products and solutions in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.

Introduction:

JCB3-80M Miniature circuit breaker is designed to protect installations from overloads and short circuits, ensuring reliability and safety under all operating conditions.They all comply with IEC 60898-1 and EN 60898-1 standard. This range of MCBs offer solutions for many different applications, either for domestic, small commercial or industrial solutions. Our JCB3-80M circuit breakers ensure electrical safety in homes, offices and other buildings as well as for industrial applications by protecting electrical installations against overloads and short circuits.

JCB3-80M MCBs have a short circuit breaking capacity of 6kA. They are din rail mounted. They all can be made with B, C, D curve. B curves trips off the circuit when the current exceeds 3-5 times the actual current flow and finds its application in the cable protection. C Curve trips off the circuit when the current exceeds 5-10 times the actual current flow and finds its application in the domestic as well as commercial appliances like transformers, fluorescent lighting circuits, IT equipment like personal computers, servers, and printers. D curves trips off the circuit when the current exceeds 10-20 times the actual current flow and offers high resistance. It finds its application in motors.

JCB3-80M MCBs have a positive indication for On or Off and the operating switch may be locked in either position without affecting operation of the trip mechanism.When in the off position the contact gap is 4 mm meaning that the MCB may be used as single pole isolating switch where appropriate.

Housing of JCB3-80M is made of flame-retardant, environmentally friendly, and safe materials. Flame retardant grade up to V1.

JCB3-80M MCBs automatically switch off the electrical circuit during the abnormal conditions of the network and faulty conditions to prevent damage. The defective zone of the electric circuit can easily be detected as its switch operating knob is in the off place during tripping of short circuits. In the case of Miniature Circuit Breakers, quick restoration is possible by just switching an operation.

JCB3-80M MCBs is perfect for use in domestic circuit protection, they detect overcurrents due to both overload and fault and will operate to interrupt the electrical supply thus preventing damage to the installation and devices

Product Description：

The most important features

● Breaking capacity up to 6kA
● Short-circuit protection
● Overload protection
● With contact indicator, green=off, Red=ON
● High nominal current range of up to 80A
● Optimum ease of installation and connection
● 1 Pole, 2 Pole, 3 Pole , 4 Pole are available
● B , C or D curve are available
● 35mm Din rail mounted
● Comply with IEC 60898-1

 

Function

● Protection of circuits against short-circuit currents;

● Protection of circuits against overload currents;

● Switch;

● Isolation

 

Application

JCB3-80M circuit-breakers are used in domestic installation,as well as in commercial and industry electrical distribution systems.

 

Selection

Technical data of the network at the point considered: the earthing systems (TNS, TNC), short-circuit current at the circuit-breaker installation point,which must always be less than the breaking capacity of this device, network normal voltage.

Tripping curves:

B curve (3-5In)—protection for people and big length cables in TN and IT systems.

C curve (5-10In)—protection for resistive and inductive loads with low inrush current

D curve(10-14In)—protection for circuits which supply loads with high inrush current at the circuit closing (LV/LV transformers, breakdown lamps)

Technical Data

● Standard: IEC 60898-1, EN 60898-1

● Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A,80A

● Rated working voltage: 110V, 230V ~ (1P, 1P + N), 400V ~ (2 ~ 4P, 3P + N)

● Rated breaking capacity: 6kA

● Insulation voltage: 500V

● Rated impulse withstand voltage(1.2/50) : 4kV

● Thermo- magnetic release characteristic: B curve, C curve, D curve

● Mechanical life: 20,000 times

● Electrical life: 4000 times

● Protection degree: IP20

● Ambient temperature (with daily average ≤35℃)：-5℃~+40℃

● Contact position indicator: Green=OFF, Red=ON

● Terminal connection type:Cable/U-type busbar/Pin-type busbar

● Mounting: On DIN rail EN 60715 ( 35mm) by means of fast clip device

● Recommended torque: 2.5N.m

● Combination with accessories: Auxiliary contact,Shunt release,Under voltage release, Alarm contact

	Standard		IEC/ EN 60898- 1	IEC/ EN 60947- 2
Electrical features	Rated current In ( A)		1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63, 80
	Poles		1P, 1P+ N, 2P, 3P, 3P+ N, 4P	1P, 2P, 3P, 4P
	Rated voltage Ue( V)		230/ 400~ 240/ 415
	Insulation voltage Ui ( V)		500
	Rated frequency		50/ 60Hz
	Rated breaking capacity		6kA
	Energy  limiting class		3
	Rated impulse withstand voltage( 1. 2/ 50) Uimp ( V)		4000
	Dielectric test voltage at ind. Freq. for 1 min ( kV)		2
	Pollution degree		2
	Power  loss  per pole		Rated  current  ( A)
			1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63, 80
	Thermo- magnetic release characteristic		B, C, D	8- 12In, 9. 6- 14. 4In
Mechanicalfe atures	Electrical life		4,000
	Mechanical life		20,000
	Contact position indicator		Yes
	Protection degree		IP 20
	Reference temperature for setting of thermal element(℃)		30
	Ambient temperature ( with daily average ≤35℃)		- 5…+40 ℃
	Storage temperation (℃)		-25…+ 70 ℃
Installation	Terminal connection type		Cable/ U- type busbar/ Pin- type busbar
	Terminal size top/ bottom for cable		25mm2 / 18- 4 AWG
	Terminal size top/ bottom for busbar		10mm2 / 18- 8 AWG
	Tightening torque		2. 5 N* m / 22 In- Ibs.
	Mounting		On DIN rail EN 60715 ( 35mm) by means of fast clip device
	Connection		From  top  and bottom
Combination withaccessori es	Auxiliary contact		Yes
	Shunt release		Yes
	Under voltage release		Yes
	Alarm contact		Yes

JCB3-80M Dimensions

Just about every member from our large efficiency income crew values customers’ wants and enterprise communication for Hot sale Factory Electrical DC Circuit Breaker/Automatic Circuit Breaker/Miniature Circuit Breaker, We invites you and your enterprise to thrive together with us and share a bright future in global market.
Hot sale Factory China MCB and Miniature Circuit Breaker, Our advantages are our innovation, flexibility and reliability which have been built during last 20 years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products and solutions in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.