Circular connectors with solder termination, 21-pin and 26-pin

EPIC® R3.0 panel base for back wall assembly signal für 26 contacts

  • Compact and reliable connector for multicore signal cables
  • Made in Germany

Mechanical and plant engineering Corrosion-resistant Mechanical resistance Space requirement

Article number Article Version Contacts Pin configuration Coding Fastening type Pieces / PU
R 3.0 B1
SIGNAL R 3.0 B1 male 1 - 21 E-Part N M3 (4x) 5
SIGNAL R 3.0 B1 female 1 - 21 P-Part N M3 (4x) 5
SIGNAL R 3.0 B1 female 1 - 26 P-Part N M3 (4x) 5


  • highest contact density at small space requirements
  • Connector in solder version for easy maintanance

Application range

  • Machine and equipment manufacturing
  • Measurement and control technology

Classification ETIM 5

  • ETIM 5.0 Class-ID: EC002635
  • ETIM 5.0 Class-Description: Circular connector (industrial connector)

Classification ETIM 6

  • ETIM 6.0 Class-ID: EC002635
  • ETIM 6.0 Class-Description: Circular connector (industrial connector)

Rated voltage (V)

  • 24V AC / 60VDC

Rated impulse voltage

  • 1.5 kV

Rated current (A)

  • 7.5 A

Contact resistance

  • < 3 mOhm


  • Copper alloy, gold-plated

Number of contacts

  • 21-pin / 26-pin

Termination methods

  • Solder termination: up to 1.0 mm²


  • Housing: nickel-plated copper alloy
    Insert: thermoplastic
    Sealing: neoprene

Protection rating

  • IP 67 (maximum, dependant on cable gland used)

Cycle of mechanical operation

  • 500

Temperature range

  • -40°C to +100°C, short-term up to +125°C

  • The housing is available with male or female inserts. The pin configuration corresponds to the versions shown. Inserts with male contacts (E-component) are right turning (plug side clockwise). The female inserts have the opposite pin configuration (P-component = left turning, plug side anticlockwise)
  • Photographs and graphics are not to scale and do not represent detailed images of the respective products.