Flameproof Ex d Flameproof Control Units Aluminium – Pepperl Fuchs EFDC

Zones 1 & Zone 2 (21/22) Hazardous Areas

Pepperl Fuchs EFDC control units with Ex d Increased Safety explosion protection are designed to contain pushbuttons, pilot lights, selector switches, potentiometers combined in several configurations and as command pushbutton suitable for use in hazardous area locations, including Zone 1/Zone 2 (gas) and Zone 21/Zone 22 (dust). 

Pepperl Fuchs EFDC Ex d control units are rectangular in shape with a flat joint cover that is fixed by hexagon shaped head screws and two threaded holes for cable entry. The control units are manufactured from aluminium alloy

Different options are available including different configurations with pushbuttons, pilot lights (1” or 1/2”), switchesand a potentiometer is installed.

Increased Safety Ex d Control Units Aluminium

Pepperl Fuchs EFDC

Features

  • Aluminum housing enclosures
  • Ex d certified
  • 6 enclosure size options
  • Customizable configuration of operators and cable gland types as per specification
  • Control units in Zone 1, Zone 2, Zone 21 and Zone 22
  • Degree of protection IP65

INCREASED SAFETY EX D CONTROL UNITS Aluminium

PEPPERL FUCHS efdc

TechnIcal Data

Control Unit Material
Body and cover copper free aluminium alloy
Screws stainless steel
Threads NPT (ANSI B1.20.1)
Inhibiting Treatments Standard epoxy painting RAL 7005
Control Unit Certification Characteristics
Type of Protection II 2GD EEx d IIB, II 2G Ex d IIB+H₂
Class of Temperature T6 / T85 °C → T4 / T135 °C
Protection Degree IP65
Certificate INERIS 04ATEX0045
Ambient Temperature -20 / +60 °C (+40 °C)
Hazardous Area Zones 1 – 21 – 2 – 22.
On Request
Pushbuttons, pilot lights, selector switches. Other epoxy painting colours different from the standards. Special inhibiting treatment. Cable glands for armoured or non armoured cable. Other type of threads [Metric x 1.5 (ISO 261), ISO7/1 (UNI6125)].
Grounding
External  M5 grounding point
Internal  M5 grounding point
Flameproof Ex d Flameproof Control Units Aluminium - Pepperl Fuchs EFDC - Dimensions

Flameproof Ex d Flameproof Control Units Aluminium – Pepperl Fuchs EFDC – Dimensions

Pepperl Fuchs EFDC Part Number Dimensions (mm) Entries Fixation (mm) Weight
A B C Ø F [NPT] D E Ø I (kg)
EFDC 2 143 113 87 2×3/4” 125 55 2×7 1.45
EFDC 3 196 115 115 2×3/4” 172 93 2×7 1.9
EFDC 4 239 108 108 2×3/4” 227 48 2×7 2.65
EFDC 6 336 108 108 2×3/4” 340 40 2×7 3.4
EFDC 8 412 108 108 2×1” 400 44 4×7 4.3
EFDC 11 525 108 108 2×1” 510 44 4×7 11.4

* Note: 1) Maximum lamp voltage and power: 240 V – 5 W. 2) For IIB+H2 version, letter “-H” to be added after “EFDC” (e.g. EFDC-H). 3) Pushbutton suffix identifies the max. number of 1/2” components (pushbutton and pilot light); other components (potentiometer, switches, …) may require more than one place. 4) Dimensions can slightly differ due to casting model tolerance

INCREASED SAFETY EX D CONTROL UNITS

hazardous area ATEX Certification

ATEX Control Units

ATEX Control Units

II 2GD EEx d IIB

II 2G Ex d IIB+H₂

Ex D Increased Safety Control units

A flameproof Ex d control unit is explosion protected by an enclosure which prevents the ignition of potentially explosive gases in hazardous area Zones 1 and Zone 2. The explosion protection concept of Ex d is to prevent the propagation of an internal explosion to the surrounding explosive atmosphere, and protecting the internal components from the environment, humidity, dirt, dust or water.

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Data Sheets