Slip rings - SVTS A 04-S-X-00-40-E1M

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Slip rings | 41 Circuits | SVTS A 04-S-X-00-40-E1M

Compact, cost effective, O.D. 25 mm, high circuit capacity from 18 up to 56 circuits with Ethernet/Fieldbus option

Slip ring specially suited to transmit critical signals, such as hi frequency and data rate, low current and voltages (strain gauges, thermocouples, measuring equipment, etc.) and offering a optionnal fieldbus or Ethernet channel (EtherCAT, Profinet, Profibus, etc.).

These units are available in many standard configurations from 18 to 56 circuits.
Due to their small ring diameter, the SVTS A 03 series grants low peripheral speed between bushes and rings, as well as reduced dynamic imbalance that means very low wear and long life.

SVTS A 03 models offer E1M and E1G options embedding shielded twisted pairs and adapted rings shapes to suit high data rate applications up to 1Gb/s. E1M options has 2 shielded twisted pairs and is suitable for 100 Base-TX applications (Ethernet 100Mb/s, EtherCat, Profinet, ...), option E1G has 4 shielded twisted pairs to meet 1000 Base-T applications needs. Offering alongside multiple power/signal cominations they are also available in IP51 or IP65 version


  • Option : 100 Base-TX or 1000 Base-T channel with RJ45 plug
  • High data rate
  • Gold alloy rings and brushes
  • Low friction torque
  • High lifetime and reliability
  • Compliant to CE and ROHS


  • Optimal signal transmission (gold-gold technology)
  • Cost-effective

SVTS A 04-S-X-00-40-E1M
Circuits * 40 x 2A
Circuits 100 Base TX 1
Outside Diameter 25.00 mm
Overall Length (L) 72.50 mm
Protection rating IP51
Data Transfert <=100Mbit/s
Mounting Flange / Capsule

Mechanical features

Nominal speed 0-250 rpm
Temperature range -20°C to +80°C (-40°C as option)
Contact gold-gold (alloy)
Bearings Miniature high-precision stainless steel ball bearings
Connector -


Electrical features

Voltage 240 VDC/VAC
Cables Silver plated / PTFE insulated / colour coded
Cables length 250 mm standard (other length on request)
Dielectric voltage strength 500VAC @ 60Hz @ 60 sec
Insulation resistance >500MOhm/500VDC
Dynamic contact resistance <10mOhm @ 6VDC and 500mA (@ 5rpm)
Expected lifetime 107 revolutions (depending on speed, environmetal conditions and size)


  • Cables
  • Materials
  • Mechanical design
  • Flange

Notice : The provided technical data are the higher limits recommended in static condition. To obtain the correct dimensioning of the product, it is necessary to hold account of all the applicable dynamic forces, including the inertia of the manipulator, the configuration of the tools and the external forces applied.

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The Slip rings are designed and manufactured by Servotecnica SpA.
Product Engineering Services is the Distributor of Servotecnica for the territory of Belgium and France