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Switching rated load
Project | Parameter | Switch structure diagram |
Rated insulation voltage (Ui) | AC250V | ![]() |
Heating current (Ith_ | 4A | |
The rated voltage | DC12V DC24V DC36V AC220V | |
Resistive load | 3 2 1.5 | |
Inductive load | 1.2 0.8 0.6 |
The other parameters
Project | Parameter | Project | Parameter |
Switch forms | Slow moving double contact | Explosion-proof grade | Ik09 for metal |
Contact resistance | ≤50mΩ | Operating pressure | About 2N |
Insulation resistance | ≥1000mΩ | Operating limits | Connect about 1.1mm, the total stroke is about 2mm |
Dielectric strength | 1000VAC | Nut torque | 5~14N.m |
Environment temperature | -20℃~+55℃ | The shell | brass plated nickel |
Electrical life | More than 100,000 times | The keys | brass plated nickel |
Mechanical life | More than 500,000 times | base | Engineering plastics |
Waterproof leve | IP66 | contact | Silver/gold plated |
We are the experienced manufacturer of industrial electric products for years.Manhua Electric Co.,Ltd.
It was established in 2009 and domestic business started in 1980s.
At present, our main products are timer switches, relay, sockets and surge arrestors.
This year, we have started to do more jobs on the electric products for solar and offgrid solar power system.
Our products have exported to the market of Germany and USA since the year of 2005, and
till now the products have stable growing market in Germany, Spain,USA, South America, CIS
countries and Thailand...
We have built our divisions/agents in Chicago USA, Frankfurt Germany and Dubai.
We bring trust, comfort and benefits for our customer. Over the years, we have always done the
humane management. Our staff has played the full role in the innovation and management.
We have the experienced team of research and development in the electronic products.
Q1-Could I know which advantages do you have please?
1) 15 export experience in the overseas market.
2) Our products mainly export to the EU and USA markets.
3) We do the quality products according to the IEC standards.
4) We have the technical service and support for the right project.
Q2-What about the lead time please?
1) The standard order is 3 weeks.
2) The sample order could be within one week for the standard product.
Q3-Could I know the payment method please?
1) Standard order could pay by T/T,L/C, Alibaba Trade Assurance.
2) Small order could support the Paypal, Western Union, Money Gram and Alibaba Trade Assurance(credit card acceptable).
Q4-Any suggestion for the delivery way please?
1) Express delivery, door to door service.
2) By air freight, to the airport of destination country.
In some case, DDU and DDP could be done.
3) By sea, FCL , LCL...
4) In the USA, some products could be sent from Chicago to the customer
Q5-Any support or service for after sales please?
1) Standard quality guarantee is 18 months.
2) 24 hours online service for the emergency issue.
3) We have storage center in Chicago USA and agent in Frankfurt Germany help us to solve the non-expected issue and support us for the further mutual co-operation.