DC PV Surge Protective Device 20kA / 40kA, 500V / 600V / 1000V, 2P / 3P
LT1 DC PV surge protective device family with eight verified configurations covering 500VDC, 600VDC and 1000VDC, 20kA or 40kA Imax, and 2P or 3P options.
20kA / 40kA
Verified Imax options
500 / 600 / 1000VDC
Verified voltage configurations
2P / 3P
Pole options by configuration
8 configurations
Exact verified matrix
Overview · Models · Specifications · Applications · FAQ · RFQ
Product Information
Product Overview
The LT1 family provides eight verified DC photovoltaic surge-protective-device configurations. In, Imax, voltage, dimensions and weight remain tied to the exact row; Type 2 and Up evidence applies only to the observed LT1-40 1000VDC marking.
Key Features
- Eight exact verified configurations
- 20kA and 40kA Imax options
- 500VDC, 600VDC and 1000VDC configurations
- 2P and 3P options by configuration
- Row-specific In, dimensions and weight retained
Available Models / Configurations
Select only from the exact verified configurations below. The historical page URL is retained for continuity and does not expand the verified product scope.
| Verified Configuration | Ucpv | Poles | In | Imax | Dimensions | Weight |
|---|---|---|---|---|---|---|
| 2P / 20kA / 500V | 500VDC | 2P | 10kA | 20kA | 91 × 36 × 65 mm | 190g |
| 2P / 20kA / 600V | 600VDC | 2P | 10kA | 20kA | 91 × 36 × 65 mm | 190g |
| 2P / 20kA / 1000V | 1000VDC | 2P | 10kA | 20kA | 91 × 36 × 65 mm | 200g |
| 2P / 40kA / 500V | 500VDC | 2P | 20kA | 40kA | 91 × 36 × 65 mm | 195g |
| 2P / 40kA / 600V | 600VDC | 2P | 20kA | 40kA | 91 × 36 × 65 mm | 195g |
| 2P / 40kA / 1000V | 1000VDC | 2P | 20kA | 40kA | 91 × 36 × 65 mm | 200g |
| 3P / 20kA / 1000V | 1000VDC | 3P | 10kA | 20kA | 91 × 54 × 65 mm | 270g |
| 3P / 40kA / 1000V | 1000VDC | 3P | 20kA | 40kA | 91 × 54 × 65 mm | 300g |
Technical Specifications
| Specification | Verified Value |
|---|---|
| Supplier Family | LT1 |
| Observed Product Marking | LT1-40 on the observed 1000VDC unit |
| Product Type | DC PV Surge Protective Device |
| Verified Voltage Configurations | 500VDC / 600VDC / 1000VDC |
| Nominal Discharge Current (In) | 10kA for 20kA Imax rows; 20kA for 40kA Imax rows |
| Maximum Discharge Current (Imax) | 20kA / 40kA |
| Pole Configuration | 2P / 3P according to exact configuration |
| Dimensions | 2P: 91 × 36 × 65 mm; 3P: 91 × 54 × 65 mm |
| Type / Up Evidence | Type 2 (T2) and Up ≤ 3.0kV on the observed LT1-40 1000VDC marking only |
| Standard Marking | GB/T 18802.1-2011 on the observed LT1-40 1000VDC marking; not a certification claim |
Applications
PV combiner boxes
DC surge protection after the exact Ucpv, pole configuration, In and Imax row are confirmed.
Solar inverter DC inputs
Surge-protective-device selection for compatible photovoltaic inverter DC input circuits.
Photovoltaic distribution panels
DIN-rail DC surge protection within the verified configuration matrix.
Information to Confirm for Selection
- Exact LT1 voltage configuration
- Required 2P or 3P configuration
- Required In and Imax row
- Dimensions and available panel space
- Quantity, application and destination country
FAQ
Are Type 2 and Up ≤ 3.0kV confirmed for every configuration?
No. These markings are supported only for the observed LT1-40 1000VDC unit.
What should be provided for a quotation?
Provide the required voltage, pole configuration, In, Imax, quantity and application.
Which Imax options are verified?
The verified configuration matrix includes 20kA and 40kA Imax options.
Related Products
Request a Quote
Provide the required LT1 voltage, pole configuration, In, Imax, quantity, application and destination country.