Atex Isolator Switch

atex isolator switch

These Atex Certified Isolator Switches are available in two versions: emergency or standard. Each version is available with normal current ratings of 20A, 32A, 40A, 63A, 80A, 100A, 125A and 160A.

Engineering plastic version

  • High impact, self-extinguishing thermoplastic material.
  • Surface mounting from the inside with pass-through screws or from the rear.
  • Draining holes on all sides.
  • Protection degree: IP65.
  • Cable entry: knock out.

Metal version

  • Isolators series, metal version, is well suited to harsh environments due to the nature of the industry-heavy industry installations, machine installations, for industrial automation, for thermal, chemical and petrol chemical plant-even outside. Not suitable for particularly environments. For any inquiries concerning special applications, please contact SCAME technical service.
  • Wall mounting die-cast alluminium enclosures.
  • Painted with grey epoxy.
  • Stainless steel screws for closing cover with flet screwdriver slot.
  • Earthing terminal on the base.
  • Fixing to wall by brackets incorporated in the enclosure base.
  • Cable entry: threated.
  ALU EX GRP EX ALU EXGD GRP EXGD SS EXGD
Ex Zones Dust Dust Gas & Dust Gas & Dust Gas & Dust
Material Aluminium Thermoplastic Aluminium Thermoplastic Stainless Steel
Polarity 2P – 3P – 4P 2P – 3P – 4P 2P – 3P – 4P 2P – 3P – 4P 2P – 3P – 4P
Rated current 20A-32A-40-63A 20A – 32A – 40A 20A-32A-40-63A 20A-32A-40-63A

20A-32A-40-63A
Protection degree IP65 IP66 IP66 IP66 IP65
Temperatura ambiente -25°C +40/60°C -25°C +40/60°C -20°C/-50°C +40°C/+60°C -20°C/-50°C
+40°C/+60°C		 -20°C/-50°C
+40°C/+60°C
Maximum operating temperature T90°C T90°C T80°C Dust T80°C Dust T80°C Dust
Colour Satin RAL7016 Satin Grey stain
ATEX Code II 2D II 2D II 2GD II 2GD II 2GD
Ex Protection type Ex tb IIIC T80°CDb
 Ex tb IIIC T80°C Ex d e IIC T4/T5Gb Ex d e IIC T4/T5Gb Ex d e IIC T4/T5Gb
Class Gas – – T4 / T5 T4 / T5 T4 / T5
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