Model	Rated Transformation Ratio(A)	Accuracy Classes Combination	Accuracy Class and Rated Output COSΦ=0.8				1s thermal current (kA)	Rated Dynamic Current(kA)
Model	Rated Transformation Ratio(A)	Accuracy Classes Combination	0.2S	0.2	0.5	10P15	1s thermal current (kA)	Rated Dynamic Current(kA)
JBK3-40, 63 JBK3-100 JBK3-160 JBK3-250 JBK3-400 JBK3-630 JBK3-1000 JBK3-1600 JBK3-2500	5/5	0.2S/0.5 0.2S/0.25 0.2S/10P15 0.2/10P15 0.5/10P15 0.2S/0.5/10P15 0.2S/10P20 0.2/10P20 0.5/10P20 0.2S/10P30 0.5/10P30	10	10	10	15	0.8	1.9
	10/5						1.5	3.8
	15/5						2.3	5.8
	20/5						3	7.5
	30/5						4.5	11.2
	40/5						6	15
	50/5						7.5	18.8
	75/5						11.5	29
	100/5						15	37.5
	150~200/5						22.5	56.5
	300~600/5						45	112.5
	800~2500/5						63	157.5

Dimensions

Model	B max	D max	E max	F
JBK3-40,63	78	72	89	2
JBK3-100	84	85	94	2
JBK3-160	96	92	109	2
JBK3-250	96	105	109	2
JBK3-400	120	109	123	2.5
JBK3-630	150	112	150	2.5
JBK3-1000	160	195	151	3
JBK3-1600	170	225	163	3
JBK3-2500	200	250	171	4

　　TOSUN is specialized in manufacturing and supplying low voltage electrical products and lighting products. It provides reliable products and one-stop solutions to customers worldwide.In 1994, Mr. Ronald Lee, the chairman, entered into the field of low voltage electrical and gradually established TOSUN. In the past 28 years, TOSUN has expanded the business and enlarged the network by focusing on the brand TOSUNlux. Today, TOSUN has a professional network combined of several companies and branches for manufacturing, quality inspection, product R&D, brand promotion and international trading.TOSUN is constantly striving to expand and perfect the product range. Now we have a great variety of electrical products including circuit breakers, switches, relays, contactors, stabilizers, distribution boards, panel meters and other devices for power distribution and control. Regarding lighting products, there are diverse LED and fluorescent lights for household, commercial and industrial use.

　　TOSUN has its manufacturing centers in Wenzhou and Shenzhen, China. The products are produced in accordance with the international quality standard. A lot of our products have got international quality approvals like CE, CB, TUV, IRAM and etc.Due to continuous expansion and higher demand for our service, we have set up trading and investment branch in Germany, Hong Kong as well as mainland China.Up to 2021, in 41 countries, agents of brand TOSUNlux have been appointed. Complex low tension electrical products and illumination products in best cost performance have been provided to 91 countries and regions around the world.TOSUN brings safety, convenience, practicality and happiness to consumers as well.Contact TOSUN, get one-stop solution here!