Auxiliary contactor, 44E, DIN EN 50011, for railway applications 7 NO + 1 NC, screw connection with varistor DC 110V operating range 0, 7...1, 25xUS Auxiliary contactor 3TH4 for switching the control signals in the control circuit. The 3TH4 auxiliary contactors have standard connection designations and reliable connection technology. By multiplying the outputs, it is possible to switch up to 10 auxiliary circuits simultaneously. The contacts are also designed as SUVA variants with positive guidance for safety applications. The devices are climate-resistant, have a high level of contact reliability and are suitable for worldwide use thanks to the relevant approvals (e.g. IEC and UL/CSA).The 3TH4 contactor relays are available in AC or DC operation in various versions with 8 or 10 poles.Accessories include surge suppressors, delayers and coupling elements.
| Property | Value |
| Number of auxiliary contacts as normally open contacts: | 7 |
| Number of auxiliary contacts as normally closed contacts: | 1 |
| Rated operating current Ie, 400 V: | 6 A |
| Rated control supply voltage Us at DC: | 110 V |
| Interface: | no |
| Voltage type for actuation: | DC |
| With LED display: | no |
