Cardinal Explosion-Proof Enclosure

Cardinal Explosion-Proof Enclosure
Approvals: FM, CSA, ATEX IECEX

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Cardinal Enclosure Vertical View Cardinal Enclosure Solid or Glass Front

The Cardinal instrument enclosure is ExDirect’s smallest, most economical explosion-proof instrument enclosure. It is stocked with solid and window covers in several different conduit configurations. The mounting holes on the flanges are a standard feature. Inside the instrument enclosure, there are four drilled and tapped holes for mounting electronics.

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Specifications

Material: Copper free aluminum
Surface Finish: Epoxy coated for aluminum
Casting Method: Die cast (smoother, more uniform finish than sand casting)
Ground Screws: Internal and external
Cover Set Screw: Tamper resistant cover set screw for extra safety
Weight: 3 lbs (1.36 kg)
Patent No.: US 8,227,692
Window Size: 2.17" [55.0mm] diameter
External Mounting Holes: Two 0.36" [9.0mm]
Side Conduit Connections (T2): Two ½" NPT, ¾" NPT, M20 × 1.5P, ½" BSP, or none
Top Conduit Connection (T1): One ½" NPT, ¾" NPT, M20 × 1.5P, ½" BSP, or none
Stopping Plugs: Shipped with one ATEX approved stopping plug installed

Approvals

FM: Explosion-proof for Class I, Division 1, Groups B, C and D; dust ignition-proof for Class II/III, Division 1, Groups E, F and G, hazardous (classified) locations, indoors and outdoors (Type 4X/IP66)

CSA: Explosion-proof for Class I, Division 1, Groups B, C and D; dust ignition-proof for Class II/III, Division 1, Groups E, F and G, hazardous (classified) locations, indoors and outdoors (Type 4X/IP66)

ATEX: II 2 G D, Ex d IIC, Ex tD A21, IP68, Ta = -40°C to +85°C

IEC EX: Ex d IIC, Ex A21 tD, IP68, Ta = -40°C to +85°C

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Drawings

Cardinal Drawing