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 available in stock with two ½" T2 conduit holes or ¾" T1 & T2 conduit holes. Custom conduit hole sizes are available and can be drilled and tapped on the top or sides. The mounting holes on the flanges come standard. Inside the instrument enclosure, there are four drilled and tapped holes for electronics mounting.

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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 1
Cardinal Drawing 2
Cardinal Drawing 3
Cardinal Drawing 4
Name Model Number Price (1-49 pcs.)
Cardinal Explosion-Proof Enclosure (Glass Window) EC1972-XX* $124.82
Cardinal Explosion-Proof Enclosure (Solid Cover) EC2029-XX* $115.50
¾" NPT 316 Stainless Steel Stopping Plug with Approvals PDAPLUG75 $20.00
½" NPT 316 Stainless Steel Stopping Plug with Approvals PDAPLUG50 $20.00
½" M-NPT to ¾" F-NPT Approved Adaptor PDA0003 $25.00
¾" M-NPT to ½" F-NPT Approved Reducer PDA0002 $25.00
¾" M-NPT to F-M20 Reducer PDA0001 $25.00
Available quantities last updated October 20, 2019 at 12:39 AM

* XX: Reference the Conduit Hole Options table below.

Conduit Hole Options
XX Availability T1 Conduit (one, top) T2 Conduit (two, side)
04 Special Order ½" NPT ¾" NPT
05 Stock ½" NPT
06 Special Order ½" NPT M20 × 1.5P
07 Stock ¾" NPT
08 Special Order ¾" NPT ½" NPT
09 Special Order ¾" NPT M20 × 1.5P
10 Special Order ½" BSP* ¾" NPT
11 Special Order ½" BSP* ½" NPT
12 Special Order ½" BSP* M20 × 1.5P
13 Special Order ¾" NPT None
Conduit Hole Options
XX Availability T1 Conduit (one, top) T2 Conduit (two, side)
14 Special Order M20 × 1.5P None
16 Special Order ½" BSP* None
17 Special Order ½" NPT None
18 Special Order None
19 Special Order None ¾" NPT
20 Stock None ½" NPT
21 Special Order None M20 × 1.5P
22 Stock M20 × 1.5P
23 Special Order ½" BSP*

* ½" BSP threads are not FM approved.