Appleton™ ATX™ SWD Series 20 to 250 Amp Control Devices

Appleton™ flameproof ATX™ SWD Series 20, 32, 63, 100, 125, 160 and 250 Amp isolator switches, circuit breakers and "break glass" call points are designed to prevent operation in explosive atmospheres during connect and disconnect operation of power loads. They are ideal for use in hazardous areas where ignitable vapors, gases or highly combustible dusts are present.

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SWD020S300B
Appleton™ PN SWD020S300B
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SWD063S300E
Appleton™ PN SWD063S300E
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SWD100S300F
Appleton™ PN SWD100S300F
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SWD100S400F
Appleton™ PN SWD100S400F
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SWD125S300G
Appleton™ PN SWD125S300G
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SWD160S300G
Appleton™ PN SWD160S300G
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SWU320
Appleton™ PN SWU320
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Features

  • Flameproof. Ideal for installation in chemical and petrochemical plants, refineries and other process industries
  • Available up to 690 Volts, and up to 250 Amps
  • Padlockable handle in position "O"
  • 3 or 4-pole switch mechanism
  • NO-NC" early break auxiliary contact
  • Two threaded cable entries at bottom and one at top (M20 to M63)
  • Supplied with 1 x M20 blanking plug and 1 x M8 earth stud

Specifications

ATEX and IECEx Certification and Compliances
Zone 1 and 2 - 21 and 22; Ex II 2 GD; IP66; IK10
Standard Materials and Finishes
Marine grade aluminum alloy box with gray paint and A2 stainless steel captive screws
Main contact termination
Up to 85 mm² (0.2868 in²)
Auxiliary contact termination
2.5 mm² (0.004 in²)
CF2D Temperature Class
T6 for Ta ≤ +40 °C (+104 °F); T5 for +40 °C (+104 °F) < Ta ≤+55 °C (+131 °F)
CF2D Surface Temperature
T95 °C (T203 °F)
CF2D Ambient Temperature
-40 °C to +55 °C (-40 °F to +131 °F)
CF Temperature Class
T6
CF Surface Temperature
T80 °C (T176 °F)
CF Ambient Temperature
-40 °C to +55 °C (-40 °F to +131 °F); CF10B is -20 °C to +55 °C (-4 °F to +131 °F)
Options
Visible break assembly including a window to view power connection (only for 100 A to 160 A versions). See catalog pages for details

Documents & Drawings