Model NO.: WS7-500
Trademark: MORROW
Origin: China
HS Code: 8515390000
Model NO.: WS7-500
Trademark: MORROW
Origin: China
HS Code: 8515390000
Product Description:1. Using inverter technology, IGBT dual module to save energy.
2. Reactors and transformers are all copper wire wound.
3. The actual input current ensures compliance with the described current value.
4. Small size, light weight, high reliability, good welding effect.
5. All products are available for OEM.
6.Guaranty: One year for the whole machine and PC board, and we will offer you spares valued 4% of the total amount for you to do maintenance.
Features:
1. Automatic protection from overcurrent, overheat, over/under voltage
2. Support TIG welding and MMA welding
3. HF(high frequency), easy to start arc
4. In MMA welding, can be used together with all kinds of electrode with a diameter below 5mm.
5. In TIG welding, can weld stainless steel, alloy steel, copper, silver, titanium
6. Wide range of supply voltage, as wide as ±20%
Technical Parameters:
| Contents | WS7-500 | |
| Power source | 3-phase 380V/415V 50Hz | |
| Rated input capacity | 23.7 KVA | |
| Rated input current | 36A | |
| Rated welding current | 500A | |
| Welding current | 500A 60%DE | |
| 400A 100%DE | ||
| Adjustment range of current | 20-500A | |
| Efficiency | 85% | |
| No-load voltage | TIG | 40-50V |
| MMA | 70-80V | |
| Current up/down-slope time | 0-10S | |
| Time for pre-gas sending | 1S | |
| Time for delay gas sending | 5S | |
| Arc-start means | HF | |
| Dimensions (mm) | 640×326×560 | |
| Weight (Kg) | 55 | |
| Insulation class | F | |
| Protection class | IP21S | |
Company Description:
Sichuan Morrow Welding Development Co., Ltd. ( MORROW WELDING) is a high-tech enterprise specialized in research, development, production and sales of IGBT series inverter welding products.
 We established Morrow Inverter Power Research Institute to specially engage in research, development, and regeneration of inverter welding machine.
We can develop and produce specialized products according to different requirements of different customers.
All of our products are produced in line with ISO9001:2000 quality system certificate and have "CCC" certificate.
With the business philosophy of "Quality First, Performance First, and Service First", we are dedicated to offering ideal welding equipment for domestic and overseas customers.
 Product Description:
1. Using inverter technology, IGBT dual module to save energy.
2. Reactors and transformers are all copper wire wound.
3. The actual input current ensures compliance with the described current value.
4. Small size, light weight, high reliability, good welding effect.
5. All products are available for OEM.
6.Guaranty: One year for the whole machine and PC board, and we will offer you spares valued 4% of the total amount for you to do maintenance.
Features:
1. Automatic protection from overcurrent, overheat, over/under voltage
2. Support TIG welding and MMA welding
3. HF(high frequency), easy to start arc
4. In MMA welding, can be used together with all kinds of electrode with a diameter below 5mm.
5. In TIG welding, can weld stainless steel, alloy steel, copper, silver, titanium
6. Wide range of supply voltage, as wide as ±20%
Technical Parameters:
| Contents | WS7-500 | |
| Power source | 3-phase 380V/415V 50Hz | |
| Rated input capacity | 23.7 KVA | |
| Rated input current | 36A | |
| Rated welding current | 500A | |
| Welding current | 500A 60%DE | |
| 400A 100%DE | ||
| Adjustment range of current | 20-500A | |
| Efficiency | 85% | |
| No-load voltage | TIG | 40-50V |
| MMA | 70-80V | |
| Current up/down-slope time | 0-10S | |
| Time for pre-gas sending | 1S | |
| Time for delay gas sending | 5S | |
| Arc-start means | HF | |
| Dimensions (mm) | 640×326×560 | |
| Weight (Kg) | 55 | |
| Insulation class | F | |
| Protection class | IP21S | |
Company Description:
Sichuan Morrow Welding Development Co., Ltd. ( MORROW WELDING) is a high-tech enterprise specialized in research, development, production and sales of IGBT series inverter welding products.
 We established Morrow Inverter Power Research Institute to specially engage in research, development, and regeneration of inverter welding machine.
We can develop and produce specialized products according to different requirements of different customers.
All of our products are produced in line with ISO9001:2000 quality system certificate and have "CCC" certificate.
With the business philosophy of "Quality First, Performance First, and Service First", we are dedicated to offering ideal welding equipment for domestic and overseas customers.
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