EPX Series

Explosion proof pushbutton with rubber membrane
Ex db / Ex tb – IP66

Pushbutton series EPX is a spring return type with rubber membrane. The fluorosilicon membrane, with excellent chemical-physic properties, is particularly indicated in place where dust and humidity can compromise the mechanical function of the operator.

The device is extremely compact but with high resistance. It is suitable to be installed in classified harzardous area Zone 1 and Zone 21.
It is also certified for mines group I M2 (with metal ring proctection).


  • Type of protection: Ex db / Ex tb

  • Degree of protection: IP66

  • Certified for:

    • Gas group IIC
    • Dust group IIIC
    • Mines group I M2
  • Max operating temperature: -60°C ÷ +180°C

  • Material used

    • Nickel plated brass
    • Stainless Steel AISI 316L
  • ISO 262 Threads: M20x1.5 or M25x1.5

  • Membrane in fluorosilicone

  • Max rated voltage: 690Vac / 440Vdc

  • Max rated current: 10A

  • Rated cross-section: 0,5 ÷ 2,5mm2
Command and signal units EP Series
Certificazione CE - RIBCO S.r.l.

Assembly instructions 

Safety instructions 

IECEx Conformity 

ATEX Certificate 

IECEx Certificate 

Other options available

Explosionproof Pushbutton spring return with rubber membrane for hazardous area Series EPX3

EPX3 – Up to 6 electrical contacts

EPXG – Body M20 and ring ø26