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MiniPurge Interface Units

MiniPurge Interface Units (MIU) add power interlocks and external alarm interfaces to X-Purge & MiniPurge purge & pressurization units.

Generally, MIUs interface with the MiniPurge Pneumatic Output (/PO) versions. MIUs comprise:

  • Box: externally mounted, explosion-proof or flame-proof;
  • Pneumatic relays;
  • Pressure switches;
  • Miniature circuit breaker (MCB) to your requirements.

MIU's are certified to:

  • ATEX;
  • cULus,
  • IECEx;
  • INMETRO;
  • Other standards on request.

  • MIU AMU/9AA1-510-511

    MiniPurge Interface Unit AMU/9AA1-510 & 511

    Power Interlocking Device. Isolate power entering pressurized enclosure. With pneumatic relay, isolate 4 poles 16 amps & control remote alarm via microswitch & terminalsAMU 9AA1 510 & 511
    Type AMU/9AA1-510 Power Interlocking Device
    Power Switching 4PNO/12A/300Vac UL 4PNO/20A/440Vac(IEC-AC1) 4PNO/16A/440Vac(IEC-AC1) 110V coil
    Alarm Switching Volt Free/Dry Contact 3A/250Vac SPCO
    Signal Switching Entries N/A
    Entries 3x 1/2″ NPT
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  • MIU AMU/AAA1-610

    MiniPurge Interface Unit AMU/AAA1-610

    Power Interlocking Device. Isolate power entering pressurized enclosure. With a pair of pneumatic relays, isolate 4 pole 16 amp input current, 4 pole 5 amp signal current, Control a remote alarm, connected via terminals to an internal micro-switchAMU AAA1 610
    Type AMU/AAA1-610 Power Interlocking Device
    Power Switching 4PNO/12A/300Vac UL
    4PNO/20A/440Vac(IEC-AC1)
    4PNO/16A/440Vac(IEC-AC1)
    110V coil
    Alarm Switching Volt Free, Dry Contact 3A/250Vac SPCO
    Signal Switching Entries 4PNO/5A/250Vac(AC1)
    Entries 6x 1/2″ NPT
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  • MIU AMU/BAA1-610

    MiniPurge Interface Unit AMU/BAA1-610

    Power Interlocking Device. Isolate power entering pressurized enclosure. With a pair of pneumatic relays, isolate 4 pole 35 amp input current, 4 pole 5 amp signal current, Control a remote alarm, connected via terminals to an internal micro-switchAMU BAA1 610
    Type AMU/BAA1-610 Power Interlocking Device
    Power Switching 4PNO/35A/300Vac(UL)
    4PNO/40A/690Vac(IEC-AC1) for T6(-20°<Tamb<+40°C)
    4PNO/40A/440Vac(IEC-AC1) for T5(-20°<Tamb<+55°C)
    Alarm Switching Volt Free, Dry Contact 3A/250Vac SPCO
    Signal Switching Entries 4PNO/5A/250Vac(AC1)
    Entries 4x 1/2″ NPT and 2x 3/4″ NPT
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