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Basic Info.
Model NO.
MS12
Protection
Dust-Proof
Size
Small-Sized
Environment
≧250℃﹤400℃
Breaking Capacity
High-Current
Application
Home Appliances
Brand
Dongnan
Certification
ISO9001, CE
Mechanical Life
50,000 Cycles
Electrical Life
30,000 Cycles
Weight
Approx.0.3G(No Lever)
Operating Speed
0.1mm-0.5m/S (No Lever)
Transport Package
Carton
Trademark
DONGNAN
Origin
China Yueqing
HS Code
8536500000
Production Capacity
2000000
Packaging & Delivery
Package Size
10.00cm * 10.00cm * 10.00cm
Package Gross Weight
1.000kg
Product Description

2.Can be installed vertically and horizontally on the printed circuit board.
3.Whether with lever is both available.
4.Suitable for applications with limited installation space and high reliability requirements.


Item | Value |
Operating speed | 0.1mm-0.5m/s (no lever) |
Operating frequency | Mechanical 60 cycles/min; electrical 30 cycles/min |
Insulation resistance | ≥100mΩ(500VDC) |
Contact resistance | ≤100mΩ |
(Test voltage) Between terminals of the same polarity | AC500V , 50/60Hz , 1min |
(Test voltage) Between current-carrying metal parts and ground (case),and between each terminal and non-current-carrying metal parts | AC500V , 50/60Hz , 1min |
Vibration resistance | 10-55Hz , 1.5mm Double amplitude |
Shock resistance | endurance : 200m/s2 max(approx. 10G) max Wrong action : 100m/s2 max(approx. 10G)max |
Ambient operation temperature | -25ºC to + 85ºC At ambient humidity of 60 % max ( with no icing or condensation) |
Ambient operation humidity | 35% to 85% RH (for +5ºC to + 35) |
Case protection degree | IEC IP40 |
Life | Mechanical ≥ 50,000 cycles Electrical≥30,000 cycles |
Weight | Approx.0.3g(No lever) |

DONGNAN ELECTRONICS CO.,LTD established in 1987, with more than 30 years manufacturing experience in making switches. Mainly produce micro switches, water proof micro switches, power switches, gate control switches, rotary switches, voltage-selected switches etc. We are a national-level new and high-tech switch manufacturing enterprise that has R&D, producing, marketing and after-sales service, and our switches are widely used in whole China and oversea countries.
At present, we set up many offices and warehouses in the production area which home appliances are concentrated, to build the fastest technical service and logistics distribution system.




Normally samples be free, shipping cost on your side.
Q2.What is your monthly output?
Fifty million pcs.
Q3.Do you have patent for micro switch?
Yes, we have patent for micro switch.
Q4.How many employees does your factory have?
We have 790 employees.
Q5.Can you provide a good price and good quality for your micro switch?
Our switch quality is guaranteed, the price is the factory price, no middlemen.