Shanghai Huabang Industrial Business Network - Welding machine switch

[Welding machine switch]KDHC-32.6x3 Welding machine switch

2026-6-18 10:48:00

KDHC-32.6x3 welding machine switch

[Welding machine switch]KDHC-32/6x10 Welding machine switch

2026-6-18 10:47:43

KDHC-32/6x10 welding machine switch

[Welding machine switch]KDHc series welding machine switch

2026-6-18 10:47:34

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)
Model	Lmax	Imax	A	E	F	G	G1	G2
KDHc-20	25+12n	thirty-eight	��48±0.31	32±0.16	36±0.31	��9.5	��3.5	��4.5
KDHc-25	34+13.3n	thirty-seven	��64±0.37	36±0.31	48±0.31	��9.5	��4.5	��4.5
KDHc-32	34+13.3n	thirty-seven	��64±0.37	36±0.31	48±0.31	��9.5	��4.5	��4.5
KDHc-40	34+17.5n	thirty-seven	��64±0.37	36±0.31	48±0.31	��9.5	��4.5	��4.5
KDHc-63	34+17.5n	thirty-seven	��64±0.37	36±0.31	48±0.31	��9.5	��4.5	��4.5

[Welding machine switch]KDH-160A Welding machine switch

2026-6-18 10:47:26

KDH-160A welding machine switch

1�� Scope of application

1. The KDH welding machine switch (hereinafter referred to as the switch) is a specialized switch designed for the BX3-500 welding machine. This switch is used for conversion in electrical circuits with AC 50Hz, voltage up to 380V, and current up to 160A.
2. Usage conditions: A. Altitude not exceeding 2000M; B. Surrounding medium temperature not lower than -25 ��, not higher than+40 ��; C. The relative humidity of the air shall not exceed 80%; D. In a medium without explosive hazards, and without gases and conductive dust that can corrode metals and damage insulation; E. A place without severe vibration or impact, as well as rain and snow invasion.

2�� Model and its meaning

3�� Main technical parameters

1. AC 50Hz, voltage up to 380V, insulation resistance 100M ��, withstand voltage 4.5KW;
2. The number of conversion levels is divided into level I and level II;
3. The electrical lifespan of the switch is 10000 cycles.

[Welding machine switch]HZ10D-��/E119 Conversion switch for welding machine

2026-6-18 10:47:17

purpose
The HZ10D - ��/E119 welding machine conversion switch can be used to adjust the current of 100A and below, AC 50Hz or 60Hz, and rated voltage of 380V and below on the welding machine for the transformation of the main circuit and auxiliary electrical appliances of electrical equipment.

HZ10D - ��/E119 electric welding machine conversion switch model and its meaning

Classification

According to the agreement, the free air heating current is divided into
There are three types: 25A, 63A, and 100A

2. Classified by level
There are Class I and Class II

Main technical parameters of HZ10D - ��/E119 welding machine conversion switch

Model		HZ10D-25/E119		HZ10D-63/E119		HZ10D-100/E119		HZ10D-100/E119A
Agreed heating current lth	A	twenty-five		sixty-three		one hundred		one hundred
Rated working voltage Ue	V	two hundred and forty	four hundred and forty	two hundred and forty	four hundred and forty	two hundred and forty	four hundred and forty	two hundred and forty	four hundred and forty
Rated working current le	A	twenty-five	twenty-five	sixty-three	sixty-three	one hundred	one hundred	one hundred	one hundred

Mechanical and electrical lifespan
Mechanical lifespan: 0.01 × 106 cycles.
Electric lifespan: 0.01 × 106 cycles.

External dimensions and installation dimensions

Model	Dimensions (mm)
Model	A	B	C	D	H	S
HZ10D-25/E119	one hundred	ninety	ninety	��8	one hundred and forty	six
HZ10D-63/E119	one hundred and forty-two	one hundred and twenty-eight	one hundred and ten	��9	one hundred and sixty-five	seven
HZ10D-100/E119	one hundred and forty-two	one hundred and twenty-eight	one hundred and twenty-eight	��9	two hundred and ten	seven
HZ10D-100/E119A	one hundred and forty-two	one hundred and twenty-eight	one hundred and twenty-eight	��9	one hundred and eighty-eight	seven

wiring diagram

HZ10D - ��/E119 wiring diagram

HZ10D-100/E119A wiring diagram

[Welding machine switch]KDH series welding machine switch

2026-6-18 10:47:09

purpose
The conversion switch for KDH series welding machines is mainly used to control the conversion of BX3 series welding machines, change the number of turns or connection of the coil, divide the coil into stages, and thus expand the range of current regulation. It can also be used for other arc welding machines that use dynamic coil transformers.

Product model and its meaning

Classification of KDH series welding machine switches

According to the agreement, the free air heating current is divided into
There are three types: 125A, 160A, and 200A

Divided by conversion level
There are Class I and Class II

Main technical parameters

Model parameters		KDH-125	KDH-160	KDH-200
Agreed heating current	A	one hundred and twenty-five	one hundred and sixty	two hundred
Number of empty operation cycles		10,000
Operating frequency times/h		one hundred and twenty

External dimensions and installation dimensions

Model	Size (mm)
Model	A	B	C	H	D
KDH-125	one hundred and forty-two	one hundred and twelve	one hundred and twenty	one hundred and seventy	��9
KDH-160	one hundred and fifty-five	one hundred and forty-two	one hundred and forty-two	one hundred and ninety	��9
KDH-200	one hundred and fifty-five	one hundred and forty-two	one hundred and forty-two	one hundred and ninety-four	��9

wiring diagram
KDH-125 wiring diagram

KDH-160�� 200 wiring diagram