EFR Series

Explosion proof emergency pushbutton
Ex db / Ex tb – IP66

Emergency pushbutton series EFR is a mushroom type with rotary release.
Push button series EFR can be installed up to 4 electrical contacts or normally close or normally open or both type.

It is suitable to be installed in classified harzardous area Zone 1 & Zone 21 and also certify for mines group I M2 (with metal ring proctection).

Features

  • 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

  • Max rated voltage: 690Vac / 440Vdc

  • Max rated current: 10A

  • Rated cross-section: 0,5 ÷ 2,5 mm2

Explosionproof Emergency Pushbutton rotary release for hazardous area Series EFR
Certificazione CE - RIBCO S.r.l.
Data sheet

Assembly instructions 

Safety instructions 

ATEX Certificate 

IECEx Certificate 

Other options available

Explosionproof Emergency Pushbutton rotary release for hazardous area Series EFR3

EFR3 – Up to 6 electrical contacts