KDHc series welding machine switchDetailed product description：

The KDHc series welding machine switch (hereinafter referred to as the switch) is mainly used for various welding machines with AC 50Hz (or 60Hz) rated voltage of 440V and below, regulating current of 200A and below. It can also be used for controlling and transforming the main circuit and auxiliary electrical appliances of electrical equipment.
The product complies with GB 140.3-2002 and JB/T 10498-2005.

Technical parameters of KDHc series welding machine switch

Model			KDHc-20	KDHc-25	KDHc-32	KDHc-40	KDHc-63
Rated heating current	ITH	A	twenty	twenty-five	thirty-two	forty	sixty-three
Rated working voltage	Ue	V	240/440	240/440	240/440	240/440	240/440
Rated working current	Le
AC-21A		A	twenty	twenty-five	thirty-two	forty	sixty-three
Number of operation cycles
no-load			eight thousand and five hundred	eight thousand and five hundred	eight thousand and five hundred	eight thousand and five hundred	eight thousand and five hundred
On load			one thousand and five hundred	one thousand and five hundred	one thousand and five hundred	one thousand and five hundred	one thousand and five hundred
total			ten thousand	ten thousand	ten thousand	ten thousand	ten thousand
Operating frequency			one hundred and twenty	one hundred and twenty	one hundred and twenty	one hundred and twenty	one hundred and twenty

KDHc series welding machine switch external dimensions and installation dimensions

Model	Dimensions (mm)			Installation size (mm)
	Lmax	Imax	A	E	F	G	G1	G2
KDHc-20	25+12n	thirty-eight	□48±0.31	32±0.16	36±0.31	Φ9.5	Φ3.5	Φ4.5
KDHc-25	34+13.3n	thirty-seven	□64±0.37	36±0.31	48±0.31	Φ9.5	Φ4.5	Φ4.5
KDHc-32	34+13.3n	thirty-seven	□64±0.37	36±0.31	48±0.31	Φ9.5	Φ4.5	Φ4.5
KDHc-40	34+17.5n	thirty-seven	□64±0.37	36±0.31	48±0.31	Φ9.5	Φ4.5	Φ4.5
KDHc-63	34+17.5n	thirty-seven	□64±0.37	36±0.31	48±0.31	Φ9.5	Φ4.5	Φ4.5