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-HMR 32A 4P 1500V DC Isolator Switch delivers safe and reliable disconnection for high-voltage DC circuits. Designed with 2-10 pole configuration, it ensures simultaneous isolation of multiple strings, making it ideal for large-scale solar PV arrays, battery energy storage systems, and industrial DC distribution networks.
Built for durability and compliance with IEC 60947-3, this isolator features robust arc suppression technology and high mechanical endurance for long-term performance.
| Specification | DATA |
|---|---|
| Model: | EHS7-HMR |
| Rated Current: | 13A, 20A, 25A, 40A, 50A |
| Rated Voltage: | 1500VDC |
| Polarity: | Non-polarity |
| Level: | 2-10 levels (Poles) |
| Mount: | Hole |
| IP rating of shaft and mounting nut: | IP66 |
| Passed: | IEC/EN60947-3, AS60947.3, UL508i, GB/T14048.3 test |
This isolator switch is widely used in various high-voltage DC scenarios, including:
Isolating multiple high-voltage PV strings during maintenance.
Ensuring safe system shutdown during servicing.
Disconnecting battery modules for safety.
Managing solar and wind inputs in the same setup.
Manages high-voltage DC circuits, ensuring safe operation and preventing electrical faults in wind turbines.
Disconnecting multi-string DC circuits.
Decades of engineering experience in high-voltage isolation.
From compact switches to heavy-duty multi-pole isolators.
Consistent quality through advanced production processes.
Quick Global Shipping
From selection to commissioning.
High-value solutions without compromising safety.
It is rated for 1500V DC.
2-10 poles for simultaneous multi-circuit isolation.
13A, 20A, 25A, 40A, 50A, suitable for high-voltage, medium-current DC systems.
Yes, it meets IEC 60947-3.
Hole and DIN rail mounting are supported.
Yes, the switch includes a padlockable handle to prevent unauthorized operation during maintenance.
Absolutely. It’s ideal for safe battery pack isolation in off-grid and energy storage solutions.
Yes, branding, labeling, and electrical modifications can be provided.
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