Telergon's ZBKN40V is a neutral terminal auxiliary contact for the 20/40A switch disconnectors product series.
| Series | ZBK |
| Switch Type | Switch door mounting |
| IP Rating | IP66 |
| Rated Voltage | 600 V |
| Ampere Rating (General Use) | 20 A, 25 A, 40 A, 63 A, 80 A, 125 A |
| DOL Rating 3-Phase (110-220V) | 1 HP, 1.5 HP, 2 HP, 3 HP, 5 HP, 15 HP |
| Rated Thermal Current (Ith) | 20 A, 25 A, 40 A, 63 A, 80 A, 125 A |
| Rated Insulation Voltage (Ui) | 690 V |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV (8 kV for 80 A and 125 A) |
| Rated Short-Time Withstand Current (1sec.) | 250 A, 300 A, 500 A, 600 A, 850 A, 1500 A |
| Mechanical Life | 200,000 cycles |
| Max Fuse Size | 40 A, 50 A, 70 A, 90 A, 110 A, 125 A |
| Connecting Capacity (Solid or Stranded) | 0.75-2.5 mm² |