The N01D550-MC2018 is a single limit switch from Euchner's N01 series, fitted with a chisel plunger actuating element and a changeover contact with snap-action switching. It carries an IP67 degree of protection and an anodized die-cast alloy housing, with contacts in silver alloy, gold flashed, making it suitable for use in industrial environments where position or door sensing is required. Connection is made via a single M12 x 1.5 fitting with special cable gland, and the switch accepts approach speeds from 0.01 to 20 m/min with an actuating force of 15 to 20 N. It can be installed in any orientation and is rated for an ambient temperature range of -5 to 80 °C.
Key specifications
| Connection cross section | 0.14 - 1 mm² (Soldered connection) |
| Rated insulation voltage Ui | 250 V |
| Rated impulse withstand voltage Uimp | 2.5 kV |
| Utilization category | |
| AC-15 | 2 A 230 V |
| DC-13 | 2 A 24 V |
| Short circuit protection according to IEC 60269-1 | 6A gG |
| Switching current | |
| min. at DC 24V | 10 mA |
| thermal rated current Ith | 6 A |
| Approach speed | 0.01 - 20 m/min |
| Connection type | 1 x M12 x 1.5 with special cable gland |
| Number of door position NC contacts | 1 Changeover contact |
| Number of door position NO contacts | 1 (Changeover contact) |
| Actuating element | Chisel plunger |
| Actuating force | 15 - 20 N |
| Installation orientation | any |
| Mechanical life | 10 x 10⁶ |
| Switching principle | Changeover contact with snap-action function |
| Degree of protection | IP67 |
| Ambient temperature | -5 to 80 °C |
| Material | |
| Contact | Silver alloy, gold flashed |
| Housing | Anodized die-cast alloy |
| Item designation | N01D550-MC2018 |
| Gross weight | 0.089 kg |
| Customs tariff number | 85365019000 |
| ECLASS | 27-27-06-01 Position switch (Type 1) |