THOMAS Hazardous Environment Rex Kit (TA3150H-KIT)

Request to exit solution for hazardous environments.

More Info

The TA-3150H-KIT has been designed to provide a request to exit solution for hazardous environments.

With a housing made from marine grade, copper free aluminum, and incorporating industry leading touchless activation technology; integration into your next hazardous access control opening is easily handled.

Request to Exit (REX) Switch Technical Data (V1.2)


Microwave Doppler Radar

Radiated Frequency


Radiated Power Density

5 mW/cm2



Current Draw

125mA Max

Relay Contact

SPDT, 1A @ 60Vdc

Adjustable Sensing Range

1″ – 5″, Hand

Output Modes

Pulse (Default) and Toggle

Operating Temperature

-4ºF to +131ºF (-20ºC to +55ºC)

Enclosure Technical Data


Ambient Temperature                   

For Groups A, B, C and D +50°C (+122°F) max.

and for IIC, IIB and  IIA -25°C (-13°F) min.


For Groups C And D +50°C (+122°F) max.

and for IIB and IIA -50°C  (-58°F) min.

(8265/62 – 0000 only)


For Groups E, F, and G +40°C (+104°F) max.

-25°C (-13°F) min.


Max. Interrupting Capacity              

10 kA RMS


Of Installed Components                 

Symmetrical Amperes


External Auxiliary Devices

Locations (I.E. Push Buttons Or Pilot Lights) 

Listed for Hazardous USL (NOIV) and CNL (NOIV7)


Window Material                              

Borosilicate Glass


Enclosure Material                           

Copper Free Aluminum (Marine Grade)


Enclosure Dimensions                    

6.1″ X 6.1″ X 5.2″, (155 X 155 X 132mm)


Entry Opening                                   

1 ea. 3/4″ NPT



NEC and CEC:

Gas Explosion Protection

Class 1, Division 1, Groups A, B, C, and D

Class 1, Zone 1, Groups IIC, IIB and  IIA

Dust Explosion Protection

Class II, Division 1, Groups E, F, and G

Class III

Environmental Protection

Type 3, 4, 4X, 7, and 9

cUL/US File #E307783

Ingress Protection IP66

THOMAS Hazardous Environment Rex Kit (TA3150H-KIT)

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