Mday MDS1 IP66 1000V 1200V 32A DC Isolating Switches TUV Certified Low Voltage Disconnectors Optional MC4
- · TYPE:
- Photovoltaic Load-Break Swiches
- · Material:
- Plastic, Copper
- · Rated Voltage:
- 1200V
- · Rated Thermal Current:
- 32A
- · Rated Insulation Voltage:
- 1200V
Product Description

DC Isolator Switch L2 Series
disconnector switch
Features/Benefits
* Professional manufacturer for 12 years
* Direct Factory Price
* ODM / OEM Available
* IP66 Protection Level
* Din rail mounted/panel mounted
* The handle can be locked in the"OFF" position
* 2 Pole, 4 Poles are viable (Single I Double String)
* Standard: IEC60947-3, AS60947.3
* DC-PV2, DC-PV1, DC-21B
* 16A, 25A, 32A, 1000V DC,1200V DC



| Electrical Characteristics | ||
| Type | MDS1 | |
| Function | lsolator, Control | |
| Standard | IEC60947-3,AS60947.3 | |
| Utilization category | DC-PV2/DC-PV1/DC-21B | |
| Pole | 4P | |
| Rated frequency | DC | |
| Rated operational voltage(Ue) | 300V,600V,800V,1000V,1200V | |
| Rated insulation voltage(Ui) | 1500V | |
| Conventional free air themal current(Ith) | 32A | |
| Rated short-time withstand current( Icw) | 1kA, 1s | |
| Rated impulsed withstand voltage(Uimp) | 8.0kV | |
| Overvoltage category | III | |
| Suitability for isolation | Yes | |
| Polarity | No polarity,"+"and"-"polarities could be interchanged. | |
| Color | Grey/White | |
| Service life/cycle operation | ||
| Mechanical | 18000 | |
| Electrical | 2000 | |
| Installation Environment | ||
| ingress protection | Switch Body | IP20 |
| Storge temperature | -40℃~+85℃ | |
| Mounting Type | Vertically or horizontally | |
| Pollution degree | 3 | |



Recommend Products

PV DC disconnector Photovoltaic product
It is mainly used in photovoltaic power station system to cut off the arc generated by direct current and avoid the occurrence of dangerous accidents.
![]() |
![]() |
![]() |
| DC L7 BREAKER | DC Fuse | DC SPD |
Certifications

We are factory
Mday New Energy
is a trusted manufacturer of protective components for photovoltaic systems across the globe. Our experience of working in the electrical industry for more than 12 years allows us to create solar DC components that comply with the latest DC standards. Through our focus on solar DC protection design, production, and marketing, we can bring brand-building PV protection solutions.

Independent production of accessories
All accessories of Mday are produced independently, including housings, copper parts and varistor chips, therefore, the quality and production cycle of each order can be fully guaranteed.
![]() |
![]() |
![]() |
![]() |
| Injection Molding Workshop | install | Automatic Production | Screw Machine |
Own test laboratory
We have test equipment, such as 10/350μs 40KA and 8/20μs 120KA simulated lightning test equipment, high voltage TOV and low voltage TOV. If necessary, we can provide the parameters of each test for customer reference.

![]() |
![]() |
![]() |
| T1 (10/350 μs) and T2 (8/20 μs) tests | 0.5A-3150A voltage test characteristics | Resistance test |
Automatic production line
We have automatic production lines to control the production cycle and product quality of each batch of orders

![]() |
![]() |
![]() |
| 1. Automated assembly line | 2. DC isolator switch | 3. Product testing |
![]() |
![]() |
![]() |
| 4.Laser or pad printing | 5. Hot Packaging | 6. Packaging |
Frequently asked questions
Q: Are you a factory or a trading company?
A: We are a factory and can provide OEM, ODM according to your needs. Please confirm our factory video.
Q: After sending the inquiry, when can I receive your quotation and detailed information?
A: All your inquiries will be replied within 24 hours.
Q: How About the delivery term?
A: At present,we dont make enough stock for all models.
Plz confirm with salesman to get the accurate delivery term.

















