TNL44E auxiliary contactors are used to switch auxiliary and control circuits., - Poles: 8-pole auxiliary contactors (positively guided contact elements available). The width of the 8-pole devices corresponds to that of 4-pole devices, only the installation depth increases., - Control circuit: DC operation with permanent magnet circuit and wide voltage range., The polarity at the coil connections (A1+ and A2-) must be observed., - Accessories: A wide range of accessories is available., These contactors have railway approval.