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DC Switch Disconnector for PV / ESS / Wind (1000V & 1500V)
Arc-safe isolation · IEC 60947-3 · IP66 enclosure · 2P/4P options
- Safe load breaking and visible isolation for DC circuits
- 1000V/1500V DC ratings across 2-pole & 4-pole configurations
- Lockable rotary handle, LOTO-ready for maintenance
- Outdoor-ready IP66 enclosure, UV & salt-mist resistant
- Ideal for PV strings, ESS battery racks, and wind nacelle cabinets
DS1 Series DC Switch Disconnector
Our DS1 series covers indoor and outdoor use with two configurations: DS1-32 (IP20, panel-mount) and DS1-32EL (IP66, enclosed). Both comply with IEC 60947-3 and provide arc-safe isolation for PV strings and inverter cabinets.
| DS1-32 (IP20) | DS1-32EL (IP66) | |
|---|---|---|
| Mounting | Panel-mount (indoor) | Enclosed, wall-mount (outdoor) |
| Protection | IP20 | IP66, UV-resistant |
| Typical environment | Inverter/combiner, indoor | Rooftop PV, outdoor combiner |
| Notes | Compact footprint | Lockable handle, harsh-weather ready |
Not sure which to choose? See the Selection Guide
Standards: IEC 60947-3 compliant; DC-PV2/DC-21B utilization categories (model dependent).
Datasheets: Full specifications available in the Download Center.
Key Features of DS1 Series DC Switch Disconnector
Designed for PV, ESS and industrial DC isolation. Choose between compact panel-mount (IP20) or rugged enclosed outdoor (IP66) to match your installation.
High Voltage DC
Up to 1000 V DC; suitable for PV strings and inverter cabinets.
Indoor / Outdoor
DS1-32 (IP20) panel-mount or DS1-32EL (IP66) enclosed for outdoor use.
IEC 60947-3
Compliant DC isolator categories (e.g., DC-PV2/DC-21B, model-dependent).
Maintenance Safety
Visible isolation, lockable rotary handle; arc-safe design.
Datasheets & compliance details available in the Download Center.
Where the DS1 Series Fits
The DS1 series provides safe DC isolation across common PV and ESS scenarios. Choose IP20 for protected indoor panels, or IP66 for harsh outdoor conditions.
Technical Specifications of DC Switch Disconnectors
Summary of key parameters for the DS1 series. Not sure which to choose? See the Selection Guide.
| Parameter | DS1-32 (IP20) | DS1-32EL (IP66) |
|---|---|---|
| Rated voltage | Up to 1000 V DC | Up to 1000 V DC |
| Rated current | 32 A | 32 A |
| Poles / configurations | 2P / 4P | 2P / 4P |
| Utilization category* | DC-PV2 / DC-21B (model dependent) | DC-PV2 / DC-21B (model dependent) |
| Ingress protection | IP20 (indoor) | IP66 (outdoor, UV-resistant) |
| Mounting | Panel-mount | Enclosed, wall-mount |
| Handle / locking | Rotary, lockable (LOTO) | Rotary, lockable (LOTO) |
| Operating temperature | −25 °C ~ +55 °C (typ.) | −25 °C ~ +55 °C (typ.) |
| Typical environment | Inverter / combiner (indoor) | Rooftop PV, outdoor combiner |
| Notes | Compact footprint | Harsh-weather ready |
Standards: Complies with IEC 60947-3. For CE marking information, see EU CE Marking.
System protection: Often paired with DC fuses and DC SPDs for comprehensive PV safety.
* Utilization category depends on configuration and rating. See datasheets for full details in the Download Center.
Selection Guide · How to Choose the Right DC Switch Disconnector
Use this quick guide to match the DS1 series to your PV, ESS or wind system. Still have doubts? See our contact page for expert advice.
| Condition | Recommended Model | Why? |
|---|---|---|
| Indoor combiner box / inverter cabinet | DS1-32 (IP20) | Compact size, panel-mount, cost-effective |
| Outdoor PV string combiner / rooftop array | DS1-32EL (IP66) | Weather-sealed enclosure, UV resistant, easy wall-mount |
| Systems with arc flash & surge risk | Pair with DC Fuses & DC SPDs | Enhanced protection & compliance |
| Wind turbine nacelle / ESS battery container | DS1-32EL (IP66) | Sealed, resistant to vibration & dust |
⚡ For large-scale PV plants, always combine switch disconnectors with proper DC fuses and surge protective devices.
Talk to a Technical AdvisorInstallation & Safety Notes for DC Switch Disconnectors
Ensure reliable performance and operator safety with proper installation and maintenance practices.
Pre-installation Checklist
- Confirm correct model: IP20 indoor or IP66 outdoor.
- Verify conductor size, insulation class, and UV-resistant cables for outdoor use.
- Prepare LOTO devices and perform insulation resistance tests.
Wiring & Torque
- Follow polarity markings and maintain minimum bending radius.
- Ensure stress relief on all terminations.
- Tighten terminals to recommended torque values (see datasheet).
Commissioning
- Visually confirm complete isolation before energizing.
- Conduct load break tests for each string or battery rack.
- Apply system labeling for PV array, ESS, or inverter cabinet identification.
System Protection Pairing
For complete DC protection, pair switch disconnectors with DC fuses and DC surge protective devices, in accordance with IEC 60947-3.
Global Delivery, Warranty & Certifications
We provide fast worldwide shipping, export-grade packaging, and dependable after-sales support.
Lead Time
Standard models ship within 7–15 days. Bulk orders by schedule.
Packaging
Shock-proof inner + export cartons; wooden crate optional for sea freight.
Logistics
Worldwide via DHL / UPS / FedEx or air/sea freight with tracking.
Warranty
24–36 months limited warranty with technical support.
Compliant with
IEC 60947-3 • CE • RoHS
Frequently Asked Questions
A DC switch disconnector isolates the DC circuit for maintenance or emergency shutdown. It ensures operator safety and system protection in PV arrays, battery racks, and DC distribution cabinets.
They are commonly installed at the DC side of PV arrays, ESS enclosures, or inverter cabinets, allowing safe isolation during inspection or fault conditions.
Yes, our products comply with IEC 60947-3, and carry CE, TUV, and RoHS certifications for global applications.
We provide both IP20 indoor versions and IP66 weatherproof enclosures, suitable for outdoor PV farms and harsh industrial environments.
Yes, for complete system protection they are recommended to be used alongside
DC fuses
and DC surge protective devices.
Image Credits
Electrical panel opened
(CC BY-SA 4.0)
Solar panel roof 6th St
(CC BY-SA 4.0)
Datacenter Backup Batteries
(CC BY 3.0)
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