UL508i Listed 1000V DC Disconnect Switch 4P
350V 500V 600V 750V 1000V DC disconnect switch UL508i Listed
The BYSS.1-50/T-4 (panel mounting) DC switches are developed for solar PV high power voltage.
For solar inverter DC side, solar combiner box and battery energy storage systems applications.
Up to 1000VDC circuit with single conductor:
350V 500V 600V 750V voltage levels at a direct current range from 16A to 50A.
1000V max with current from 16A to 30A.
Features
*4P switch non-polar for one circuit
*UL508i listed
*350V/500V/600V/750V at 16A to 50A
*1000V at 16A to 30A
*Lockable handle
*Patented arc extinguishing instruction for arc interruption in 3ms.
| Model | BYSS.1-50/T-4 |
| Poles | 4P |
| Rated Operational Voltage (Ue) | 350V,500V,600V,750V,1000V |
| Mechanical Cycle | 10000 |
| Electrical Cycle | 6000 |
On each solar PV installation including ZJBENY, we design and supply DC string level protection for solar PV safety.Thousands of solar PV installations with 0 failure.
DC components/Solar combiner box, DC safety solutions for all kinds of photovoltaic systems.



ZJBENY is located in Yueqing City, the switch city of China.
We are specialized in solar DC components for 30 years.
The first DC switch manufacturer listed by AS 60947.3:2018 and UL508i in China.
Top 1 DC components and DC string box supplier in China.

Tim Wu
Email: benyi(at)zjbeny.com
Skype: timwu9111
Web: www.zjbenydc.com
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.