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Instructions - Installation

G-Barrier

Power Barrier for Hazardous Locations

3A5056B

Associated apparatus providing intrinsically safe power to hazardous locations using the 
entity parameter concept. For professional use only. 

Not approved for use in explosive atmospheres or hazardous locations.

See 

Approvals

 on page 3 for approval information.

Important Safety Instructions

Read all warnings and instructions in this manual 
before using the equipment. Save these 
instructions. 

EN

26A364 IS Power Barrier

Summary of Contents for G-Barrier

Page 1: ...us locations using the entity parameter concept For professional use only Not approved for use in explosive atmospheres or hazardous locations See Approvals on page 3 for approval information Important Safety Instructions Read all warnings and instructions in this manual before using the equipment Save these instructions EN 26A364 IS Power Barrier ...

Page 2: ...ion 6 Validating the Field Apparatus Entity Parameters 8 Mounting and Dismounting to DIN Rail 9 Grounding 10 Wiring the Power Input Connector 12 Wiring the Power Output Connectors 12 Airflow 13 Troubleshooting 14 Parts 14 Performance 15 Dimensions 16 Technical Specifications 17 Graco Standard Warranty 18 Graco Information 18 ...

Page 3: ... 60079 0 2019 CSA C22 2 No 60079 11 2014 CSA C22 2 No 61010 1 2012 IECEx Certification IEC 60079 0 2017 IEC 60079 11 2011 ATEX Certification EN 60079 0 2018 EN 60079 11 2012 For connection to CLASS I DIVISION 1 GROUP D USA CANADA CLASS I ZONE 0 AEx ia Ga IIA USA 0 C Ta 54 C FM18US0213 FM18CA0102 II 1 G Ex ia Ga IIA 0 C Ta 54 C IECEx FMG 18 0022 FM18ATEX0053 C US 2575 ...

Page 4: ...ision 1 Group D or Zone 0 or 1 Group IIA as applicable Hazardous Loca tion including all of the local safety fire codes For the United States this includes NFPA 33 NEC 500 and 516 and OSHA 1910 107 Equipment that comes in contact with the G Barrier s intrinsically safe terminals must be rated for Intrinsic Safety This includes DC voltage meters ohmmeters cables and connections Do not install the G...

Page 5: ...ge from 12V to 24V Regulated first stage Feedback controlled for high efficiency Overload protection against fuse damage Three independent outputs Feedback controlled for high efficiency and sta ble output Color coded and keyed output connector Temporary short circuit protection against fuse damage DIN rail mounting Ground bond screw Power Barrier Output Parameters Zones Uo Io Po Lo Co Lo Ro Divis...

Page 6: ...according to IEC 60079 14 and applicable local codes and regulations Multiple earthing of components is allowed only if a high integrity equipotential system is realized between the points of bonding The G Barrier does not provide galvanic isolation from earth or between non intrinsically safe and intrinsically safe connections Install wiring associated with intrinsically safe chan nels A B C as s...

Page 7: ...cations Class 1 Division 1 Group D US and Canada Class 1 Zone 0 or Zone 1 Group IIA US and Canada Zone 0 or Zone 1 Group IIA ATEX and IECEx FIG 1 Typical Hazardous Location Installation G Barrier To other hazardous locations Non Hazardous Location ...

Page 8: ...e defined using a combination of the symbols Ui Ii Pi Ci and Li It is pos sible that all parameters are not defined In some cases the equivalent value can be calculated Refer to the appropriate installation standards if this is the case For an installation to be valid and safe use the following calculation methods All calculation comparisons must be true FIG 2 Entity Parameters clip Parameter Zone...

Page 9: ...force of approximately 40 lbs 18 Kg force 180 N is necessary to compress the spring enough to allow the DIN rail clip to be latched onto the rail The spring must be latched behind the edge of the DIN rail to connect properly See FIG 3 To remove the device from the DIN rail pull down to compress the spring pull the bottom out to release it from the rail and lift it up off the top of the DIN rail FI...

Page 10: ...ration If the DIN rail is bonded to the system ground then the barrier connection through the DIN rail is adequate for system ground NOTE Always bond the G Barrier to the ground screw The equipment must be grounded to reduce the risk of static sparking and electric shock Improper grounding can cause electric shock Grounding pro vides an escape wire for the electric current FIG 4 Grounding Example ...

Page 11: ...Installation 3A5056B 11 FIG 5 Grounding Example 2 HAZARDOUS LOCATION NON HAZARDOUS LOCATION TO FIELD APPARATUS CLASS 2 POWER SUPPLY TO FIELD APPARATUS TO FIELD APPARATUS ...

Page 12: ...king your own cable connections the wire colors may differ Use a Class 2 Power Supply only FIG 6 Wiring Power Input Connector ca Red wire Black wire FIG 7 Wiring When Using 16K509 or 16K615 Cables FIG 8 Wiring Power Output Connectors Front View Blue Brown Black Black 1A 2A 3A 4A 5A 6A 1B 2B 3B 4B 5B 6B 1C 2C 3C 4C 5C 6C Ground Output Ground NC Ground NC Ground Output Ground NC Ground NC Ground Out...

Page 13: ...Installation 3A5056B 13 Airflow For best performance the installation must allow for air flow through and around the barrier FIG 9 Airflow ...

Page 14: ...s can be used to validate the operation of the barrier Parts Part of G Barrier Power Connector Kit 25E511 Parameter Procedure Valid Range Input Voltage Check with meter 12 VDC to 24 VDC Output Voltage with no load Check with meter 15 VDC Output Voltage with load Check with meter Compare to current from graph See Performance page 15 Output Current with load Check with meter Compare to voltage from ...

Page 15: ...int it resembles a linear barrier until it approaches an output current of 250 mA Circuitry in the barrier reduces the output voltage to protect both the internal fuse and any associated apparatus that may be shorting out As the short is released the barrier returns to linear operation and then to constant voltage operation Current mA Voltage V Current mA Power mW ...

Page 16: ...Dimensions 16 3A5056B Dimensions FIG 10 Dimensions of the G Barrier ...

Page 17: ...12 VDC Maximum input power 24 W Power supply type Class 2 Environmental Parameters Ambient temperature range 32 F Ta 129 F 0 C Ta 54 C Humidity 0 to 90 Clearance above unit 1 in 25 mm Clearance to side of unit 1 4 in 6 mm Clearance below unit 1 2 in 12 mm Enclosure material Aluminum Anodized aluminum Weight 1 lb 1000 g Width 2 in 50 mm Height 5 in 125 mm Depth 4 in 100 mm ...

Page 18: ...aterial or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warrant...

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