Mercotac electrical rotary connectors come in a variant containing 1 conductor, among others. These include the following models:

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Model 110

Mounts at the end of a rotating axis. Mount by the press fit receptacle accessory. Wire attaches using the accessory receptacle or cap. This model is designed to mount at the bottom of a vertical rotating shaft.

Model 110 is typically mounted by the knurled metal receptacle, which is press-fit into the rotating member of the machine. When mounting horizontally, use the similar model 110-T instead to be able to mount the Mercotac rotary connector so that the body of the connector rotates.

Model 110-T i 105

Mounts at the end of a rotating axis. Mercotac models 110-T & 105 are ideal for shaft grounding applications, including HVAC and VFD motor shaft grounding, thus avoiding very costly bearing damage.

Model 110-T is typically mounted by the knurled metal receptacle, which is press-fit into the rotating member of the machine When mounting horizontally, mount the Mercotac so the body of the connector rotates.

Model 1250

Available in metric thread (1250-M / 1250-MS / 1250-MSX). Available with stainless steel ball bearing (1250-SS / 1250-MS) (recommended for wet or corrosive environments). Available with stainless steel body and bearing (1250-SX / 1250-MSX) (recommended for wet or corrosive environments). Mercotac model 1250 series are ideal connectors for high-power applications such as on plating electrodes and welding cable reels.

Model 1250 is typically mounted by the threaded stud on either end or by the black body using a set screw. When mounting horizontally, mount the Mercotac so the body of the connector rotates.

Model 1500

Mercotac model 1500 series are ideal connectors for high-power applications such as on plating electrodes and welding cable reels that require more power than the smaller Mercotac model 1250 series connectors. They come standard with a stainless steel housing. Available with stainless steel ball bearing (1500-SS or 1500-1-SS) (recommended for wet or corrosive environments).

Model 1500 is typically mounted by the threaded stud on either end or by the steel body using a set screw. When mounting horizontally, mount the Mercotac so the body of the connector rotates.