Mini Circuit Breaker L7 (MCB) Can Be Installed in The Distribution Box

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Manual Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Fixed
• Structure: RCCB
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: CCC
• Transport Package: PCS/Box
• Trademark: CNJINZE
• Origin: China
• HS Code: 8536200000
• Production Capacity: 10000PCS/Month

Product Description

JZM1 series moulded case circuit breaker(MCCB) is one of products developed and manufactured by Adopting international advanced technology. It is supplied with rated insulating voltage 800V and used for circuit of A. C. 50Hz, rated operating voltage AC 400V (or below), rated operating Current up to 800A for infrequent changing over and starting of the motors. The products conforms to IEC60947-2 standard.
Normal working situation

     Altitude 2000m and below;

     Ambient temperature no higher than+40ºC(45ºC for watercraft)no less than-5ºC; 

     Stand moist air;

     Stand salty&oil mildew;

     Most gradient 22.5°; 

     Atmosphere without corrupt&electric air and no danger of explosion;

     Without rain effect.

     Main technique data of MCCB

 

Type		JZM1-63L JZM1-63M					JZM1-125L JZM1-125M				JZM1-250L
Rated frame level current lnm(A)		63					125				250
Rated current ln (A)		10, 12, 16, 20, 25, 32, 40, 50, 63					16, 20, 25, 32, 40, 50, 63, 80, 100, 125				125, 160, 180, 200, 225, 250
Rated insulated voltage Ui(AC V)		500					800				800
Rated impulse-stand voltage Ui(V)		8000					8000				8000
Rated working voltage Ue(AC V)		400/415					400/415				400/415
Poles		3		4			3		4		3			4
Rated limited short-circuit breaking capacity level		L	M	L	M		L	M	L	M	L	M		L	M
Rated limited short-circuit breaking capacity lcu(KA)	400/415V	20	30	20	30		30	50	30	50	35	50		35	50
Rated working short-circuit breaking capacity lcs(KA)	400/415V	15	22.5	15	22.5		22.5	37.5	22.5	37.5	26.25	37.5		26.25	37.5
Operation characteristic (Times)	Connected	2000					2000				1500
	Break	10000					10000				8500
Outlook dimension	L	135					150				165
	W	78		103			92		122		107	142
	H	73.5		81.5			72		88		86	103
Weight(g)		735	849	1464		1952	1257	1493	1493	1900	1714	2014	1900  2014
Arcing distance(mm)		≤50					≤50				≤50

Type			JZM1-400				JZM1-630				JZM1-800
Rated frame level current lnm(A)			400				630				800
Rated current ln (A)			225, 250, 315, 350, 400				400, 500, 630				630, 700, 800
Rated insulated voltage Ui(AC V)			800				800				800
Rated impulse-stand voltage Ui(V)			8000				8000				8000
Rated working voltage Ue(AC V)			400/415				400/415				400/415
Poles			3		4		3		4		3	4
Rated limited short-circuit breaking capacity level			M	H	M	H	M	H	M	H	H	H
Rated limited short-circuit breaking capacity lcu(KA)		400/415V	50	70	50	70	50	70	50	70	80	80
Rated working short-circuit breaking capacity lcs(KA)		400/415V	37.5	52.5	37.5	52.5	37.5	52.5	37.5	52.5	60	60
Operation characteristic (Times)		Connected	1000				1000				500
		Break	5000				4000				3000
Outlook dimension		L	257				270				280
		W	150		198		182		240		210	280
		H	106.5				110				115.5
Weight(g)			5420		7443		6116	7116	7116	9929	8526	11731
Arcing distance(mm)			≤50				≤100				≤100

Note: 6A without thermal protection
The N-pole of four-poles breaker is sited at the right side of the product has four types:
Type A: Without current trip-lease on N pole which making all the time, not closing and opening with the other three poles.
Type B: Without current trip-release on N pole which closing and opening with the other poles.
Type C: With current trip-release which closing and opening with the other three poles.
Type D: With current trip-release which making all the time not closing and opening with the other three poles.
 

              Zhejiang Jinze Electrical Appliances Co., Ltd. is located in the beautiful national scenic areas of Yandang Mountain and Leqing Bay. Formerly known as Yueqing Tengyuan Electric Appliance Factory, it was established in September 2003. After continuous efforts to develop, it was renamed as Yueqing Jinze Electric Co., Ltd. In March 2009. After ten years of development, in order to adapt to the growth and development of the enterprise, the company was upgraded to Zhejiang Jinze Electric Co., Ltd. In February 2015. Zhejiang Jinze Electrical Appliances Co., Ltd. is its main subsidiary enterprise; Established in 2017, it is a professional manufacturer of distribution boxes, circuit breakers, residual current circuit breakers, AC contactors, spring coils, terminals, coils, hollow coils, signal lights, button switches, and low-voltage electrical accessories, providing high-quality electronic components for machine manufacturers