Increased Safety Motors

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Description

Motor with reduced surface temperature that, under normal operating conditions or at the start, will not produce arcs, sparks or heat enough to cause the ignition of the explosive atmosphere for which it was designed. It is the ideal motor for application in places where potentially explosive products are manufactured, stored or transformed. They were designed for operation in Zones 1 and 2, and feature Ex-eb protection.

Standard Features

  • Output: 0.18 up to 100kW
  • Multivoltage – (218-242 / 380-420 / 655-690V)
  • Self Ventilated (TEFC)
  • Cast iron frame 63 up to 315S/M
  • Mounting: B3T
  • Degree of Protection: IP55
  • Squirrel cage rotor / Aluminium die cast
  • Stainless steel nameplate
  • Class of temperature T1 / T2 / T3 / T4
  • Class “F” insulation with T 70K
  • Continuous duty – S1
  • Ambient temperature: 40 °C , 1000 m.a.s.l.
  • Regreasing nipples from frame 160 and above
  • Metric thread cable entries in terminal box
  • Increased safety terminal box
  • Earth lug inside the terminal box
  • Epoxy based paint plan: RAL 5010

Optional Features

  • Single voltage (other voltages)
  • Degree of Protection: IP56, IP65 or IP66
  • Other mounting configurations

Certification

WEG increased safety motors are certified by PTB – Physikalisch – Technishe Bundesanstalt. The PTB certificates of conformity for explosion proof in increased safety enclosure “eb” as per EN50014/ EN50019 are:

  • EEx eb – Increased safety motors (class of temperature T1 / T2 / T3 / T4)

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