Marine Power Management System (PMS): Components, Architecture & Protection
A marine power management system (PMS) monitors and controls a vessel’s electrical power sources and…
The EHS7-DCR 4P 40A 1500V DC Isolator Switch is a high-performance disconnect switch designed for solar PV systems, energy storage systems (ESS), and DC power distribution requiring safe isolation at up to 1500VDC.
Built to IEC 60947-3 standards, the switch is compact, DIN rail mountable, and available in both enclosed and panel mount versions, making it ideal for indoor and outdoor use in industrial-grade electrical installations.
| Specification | DATA |
|---|---|
| Model: | EHS7-DCR |
| Rated Current: | 13A, 20A, 25A, 40A, 50A |
| Rated Voltage: | 1000VDC |
| Polarity: | Non-polarity |
| Level: | 2-10 levels (Poles) |
| Mount: | Door Clutch |
| IP rating of shaft and mounting nut: | IP66 |
| Passed: | IEC/EN60947-3, AS60947.3, UL508i, GB/T14048.3 test |
The EHS7-DCR isolator switch is ideal for high-voltage applications that require safe DC disconnection:
For isolating PV strings or inverter inputs during maintenance or emergency shutdown.
Installed in combiner boxes or inverter stations for emergency shutoff.
Used to safely isolate high-voltage battery packs.
For disconnection in high-voltage DC distribution used in remote telecom infrastructure.
Ensures safe disconnection in microgrid and hybrid solar setups.
Used in solar off-grid cabins, farms, or industrial containers with high-voltage arrays.
Deep focus on DC protection, isolation, and monitoring solutions for global solar and industrial clients.
We assist with installation guides, wiring diagrams, and model selection.
OEM & ODM services with custom branding, labeling, and specification adjustment available.
Efficient production and shipping with on-time delivery worldwide.
Proven track record in solar, EV, ESS, and telecom markets across 40+ countries.
Support for small to bulk orders, perfect for integrators and distributors.
This switch is rated for 13-50A current and supports up to 1500VDC .
Yes, it is designed for 35mm DIN rail mounting for easy integration into enclosures.
Yes, it complies with IEC 60947-3, CE, and RoHS standards.
Absolutely. It is widely used in energy storage systems and is compatible with Li-ion and other battery chemistries.
No, it is designed for bidirectional DC operation, making it non-polarized and easier to install.
Yes, Elehub supports customization from 13A to 50A for project-specific requirements.
Yes, the switch handle can be padlocked in the OFF position to prevent accidental reconnection.
No, it is available in Door Cluth installation needs.
Stay updated on the latest innovations and trends in DC electrical components.
A marine power management system (PMS) monitors and controls a vessel’s electrical power sources and…
Creepage and clearance are two fundamental measurements used in electrical insulation design. Both define the…
A conventional transformer does one job well. It changes voltage through electromagnetic induction. Yet it…
WhatsApp us