CQDS-32 Photovoltaic DC isolation switch
Product application scope
The CQDS-32 photovoltaic DC isolation switch is suitable for DC systems with a rated voltage up to 1200 V and a rated current up to 32 A. It is intended for infrequent switching and isolation, including isolation between PV modules and inverters. The applicable voltage and wiring arrangement depend on the selected configuration.
Product features
Complies with IEC/EN 60947-3 and AS 60947.3
DC-PV1 / DC-PV2 utilization categories
Non-polar design
IP20 protection level
Lockable operating handle
UV-resistant, V-0 flame-retardant housing material
Fast arc extinguishing design
Parameter table
| Electrical Characteristics | |
| model | DS1-32 |
| function | Isolation and control |
| standard | IEC60947-3,AS60947.3 |
| Usage category | DC-PV1 / DC-PV2 |
| series | 4P |
| rated frequency | DC |
| Rated working voltage (Ue) | 300V/600V/800V/1000V/1200V |
| Rated insulation voltage (Ui) | 1200V |
| Rated short-time withstand current (Icw) | 1KA/1S(4,4S,4B),1.7KA/1S(2H) |
| Tensión soportada de impulso nominal (Uimp) | 8.0KV |
| overvoltage category | Ⅱ |
| polarity | Mechanical polarity is non-polar,and the “+” and “-” polarities can be interchanged. |
| Service life/number of operations | |
| mechanical life | 9700 |
| electrical life | 300 |
| Entorno de instalación | |
| Protection level | IP20 |
| Temperatura de almacenamiento | -40 °C a +85 °C |
| Installation Type | Vertical or horizontal |
| pollution level | 3 |
Wiring swap – corresponding diagrams
| tetrapolar | 4T Four pole with input terminalOutput top |
tetrapolar Bottom input and output |
4-pole top input,bottom output | |
| Especificaciones | 4 | 4B | 4S | |
| Contact point connection line graph |  |
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| switch example |  |
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Product model and meaning
Product dimensions
