Eaton PBI Technical Manual

2 Call point pBi/BGi & pBW/BGW February 2024 www.eaton.comCall point PBI/BGI & PBW/BGWEnglishPBI/PBW:The unit is operated by lifting the flap and pressing theplunger. This will either:1. Remain in its actuated position (the plunger can bereset by using the key supplied) – latching type.2. Return to its original position on release - springreturn.ote:N On the turn and push units, there is no lift flapfitted and the plunger must be rotated through 90°prior to actuation.Testing the unit:To test the unit, press the plunger as explained above.4.0 MaintenanceDuring the working life of the unit, it should require littleor no maintenance. However, if abnormal or unusualenvironmental conditions occur due to plant damage oraccident etc., then visual inspection is recommended.If a unit fault should occur, then the unit can be repairedby MEDC. All parts of the unit are replaceable.If you acquired a significant quantity of units, then itis recommended that spares are also made available.Please discuss your requirements with the Technical SalesEngineers at MEDC.REF Description part number10 Single pole switch (PBI/W) PX9990032420 Cover O-ring PX9990220030 Cover assembly Contact MEDC40 Cover screws (4 off required) PX9990100050 Lift flap Contact MEDC60 Reset key (Not shown) PX999001575.0 Special conditions for safe use1. The apparatus has a plastic enclosure which must onlybe cleaned with a damp cloth to avoid the danger ofignition due to a build up of an electrostatic charge.2. the apparatus must only be fitted with approved Ex eglands and blanking plugs that will maintain the ingressprotection to at least IP6X.6.0 Certification/approvalsIECEx unitsEx ia unit (IEC certification No. IECEx BAS 12.0093X)Ex ia IIC T4 Ga (-40°C ≤ Ta ≤ +70°C)Ex ia IIIC T135°C Da (-40° ≤ Ta ≤ +70°C)The IECEx certificate and product label carry the IECExequipment protection level markingGaDaWhere Ga signifies suitability for use in a Zone 0 surfaceindustries area in the presence of gasDa signifies suitability for use in a Zone 20 surfaceindustries area in the presence of dustATEX / UKEX unitsEx ia unit (ATEX certification No. Baseefa03ATEX0084X)(UKEX certification No. BAS21UKEX0546X)Ex ia IIC T4 Ga (-40°C ≤ Ta ≤ +70°C)Ex ia IIIC T135°C Da (-40°C ≤ Ta ≤ +70°C)The ATEX / UKEX certificate and the product label carrythe ATEX / UKEX group and category marking:II 1 GDWheresignifies compliance with ATEX / UKEXII signifies suitability for use in surface industries1 signifies suitability for use in a zone 0 areaG signifies suitability for use in the presence of gasesD signifies suitability for use in the presence of dust(PB) DNV Type approved. Approved according toIEC60945: Maritime navigation and radio communicationequipment and systems.The equipment is classed as exposed.Minimum compass safe distance is 5m.7.0 Functional safety - BGIntroductionThe BG Call Point has been designed for use in potentiallyexplosive atmospheres and harsh environmentalconditions. The glass reinforced polyester enclosures aresuitable for use offshore or onshore, where light weightcombined with corrosion resistance is required.The function of the BG is to raise an alarm manually onceverification of a fire or emergency condition exists, bybreaking the Glass.The BG Break glass Unit is configured with either a singleseries Resistor (R1) or an R1 and end of line resistorknown as R2. No Current passes through R1 in either