| Series | Product Image | Construction | Ur Range | Cr Range | Application | Resistance / Cr Range | PDF | Supplier |
| N1 |  | Monophase RC unit | 250 .. 630VDC
160 .. 250VAC | 0.1µF ..
1µF | Elimination | ≤10Ω |  |  |
| N3 |  | Threephase RC unit (delta configuration) | 500VDC .. 750VAC | 0.22µF ..
0.47µF | Elimination | 10 .. 22Ω |  |  |
| R3 |  | Threephase RC unit (star or 3x separated RC groups configuration) | 380VDC .. 575VAC | 0.22µF | Elimination | 0.8 .. 80Ω |  |  |