Auxiliary contactor, 73E, DIN EN 50011, 7 NO + 3 NC 1U screw connection AC operation, AC 230V 50Hz, 277V 60Hz 3TH4 auxiliary contactor for switching the control signals in the control circuit. The 3TH4 auxiliary contactors have standard-compliant 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 available as SUVA versions 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 corresponding approvals (e.g. IEC and UL/CSA). The 3TH4 auxiliary contactors are available in AC or DC operation in various versions with 8 or 10 poles. Surge limiters, delayers and coupling elements are available as accessories.
| Property | Value |
| Number of auxiliary contacts as normally open contacts: | 6 |
| Number of auxiliary contacts as normally closed contacts: | 2 |
| Number of auxiliary contacts as normally open contacts, leading: | 1 |
| Rated operating current Ie, 400 V: | 6 A |
| Rated control supply voltage Us at AC 50 Hz: | 230 V |
| Rated control supply voltage Us at AC 60 Hz: | 277 V |
| Interface: | no |
| Voltage type for actuation: | AC |
| With LED display: | no |
