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SEB / SO-E / EXPC – Ex d IIC instrument housings and explosion-proof power contactors
Ex d flameproof enclosures
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Pepperl+Fuchs

SEB / SO-E / EXPC – Ex d IIC instrument housings and explosion-proof power contactors

SEB/… · SO-E/… · EXPC-18 … EXPC-40

Round Ex d IIC copper-free aluminium housings for electronic cards (SEB) and for signalling devices with port-hole and extension (SO-E), with 1/2" or 3/4" NPT entries, plus EXPC power contactors from 18 to 40 A in Ex d IIB enclosures.

ATEX
IECEx
UL
Description
Technical Specifications
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Datasheets

SEB housings have a cylindrical body and a threaded blind cover and are designed to contain electronic devices that measure, control and process signals. SO-E housings have a cover with a circular port-hole and an extension to accommodate signalling and display equipment. Both are made of copper-free aluminium alloy with stainless steel screws; the letter in the code gives the entry arrangement and the final number the thread (16 = 1/2" NPT, 26 = 3/4" NPT).

EXPC contactors are 3-pole non-reversing contactors in a flameproof aluminium enclosure, with a 120 V AC, 220 V AC or 24 V DC coil and an NO auxiliary contact, for switching power loads in hazardous areas.

Key features

  • SEB and SO-E: marking II 2GD Ex d IIC / Ex tD A21, certificate INERIS 01ATEX0023
  • SEB: 90 mm diameter, 100 mm height, 2 to 5 entries
  • SO-E: 90 mm diameter, Ø49 mm tempered glass port-hole, 2 to 4 entries
  • Degree of protection IP66 (IP67 with O-ring), ambient temperature -50 … +60 °C
  • EXPC: 18, 25, 32 and 40 A contactors, Ex d IIB+H2 and Ex tb (INERIS 14 ATEX 0022X)
  • EXPC: hinged enclosure with breather drain, Type 4X / IP66

Use the filters in Variants and codes to find the exact part number: where available you will find the official Pepperl+Fuchs datasheet and, for every code, a quote request. For versions not listed, accessories or availability, contact us.

Zone 1
Explosive gas atmosphere likely to occur in normal operation
Zone 2
Explosive gas atmosphere unlikely to occur and, if it does, only for a short period
Zone 21
Explosive dust atmosphere likely to occur in normal operation
Zone 22
Explosive dust atmosphere unlikely to occur and, if it does, only for a short period
# General Product type: Instrument housings and flameproof contactors Brand: Pepperl+Fuchs Series: SEB, SO-E, EXPC Material: Copper-free aluminium alloy Ambient temperature: -50 … +60 °C (SEB, SO-E), -20 … +50 °C (EXPC) # Certifications SEB/SO-E ATEX certificate: INERIS 01ATEX0023 SEB/SO-E marking: II 2GD Ex d IIC / Ex tD A21 EXPC ATEX certificate: INERIS 14 ATEX 0022X EXPC IECEx certificate: IECEx INE 14.0029X EXPC marking: II 2 GD Ex d IIB+H2 T* Gb, Ex tb IIIC Db # Electrical EXPC contactor current: 18, 25, 32, 40 A EXPC coil: 120 V AC, 220 V AC, 24 V DC EXPC auxiliary contact: 1 NO # Mechanical SEB dimensions: Ø90 × 100 mm SO-E dimensions: Ø90 × 100 mm, height with cover 144 mm SEB/SO-E entries: 2 to 5, 1/2" or 3/4" NPT Degree of protection: IP66 (IP67 with O-ring for SEB/SO-E)
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SEB / SO-E / EXPC – Ex d IIC instrument housings and explosion-proof power contactors