800H-TFRXT6 Allen-Bradley

Product Dimensions：

The Bulletin 800TC-XAF Explosion-Protected Contact Block is a robust 

solution for Class I Div. 2 environments, especially for E-stop and high￾vibration applications where typical reed switch solutions are undesirable.

Emergency Stop Applications – The magnetically operated design 

of reed switches prevents their use with emergency stop devices. In 

contrast, the 800TC-XAF explosion-protected contact block features a 

positive-opening normally closed contact as required for conformance 

with global emergency stop standards. Additionally, the design allows 

contact block stacking which increases application fl exibility and 

accommodates safety circuits for illuminated E-stop devices.

High Vibration Applications – Reed switches are hermetically sealed 

in a glass envelope, which can be fragile and susceptible to damage 

from stress related to high vibration. The body of the 800TC-XAF 

explosion-protected contact block is molded from an extremely durable 

thermoplastic resin, resulting in a contact block assembly that will 

maintain Class I Div. 2 integrity in the harshest applications.

In addition to the explosive nature of fl ammable gases, liquids or vapors 

potentially present in Class I Div. 2 applications, these materials can also 

be highly corrosive. With that in mind, careful attention was given to the 

material selection of the components used in the 800TC-XAF explosion￾protected contact block to help ensure safe, reliable operation in the 

most demanding environments:

• Glass-fi lled polyester contact block body 

• Stainless steel hardware, including the terminal screws/clamps 

and mounting screws

• Ceramic plunger

• Bifurcated spanner with pure fi ne silver contact tips

Features and Benefi ts

• A reliable UL 1203 certifi ed solution 

for Class I Div. 2 environments 

(Groups A, B, C and D)

• Rugged construction ideal for use 

in applications involving shock 

and vibration

• 1-NO, 1-NC, A600-rated contacts

• Positive opening NC contact 

for global E-stop functionality

• For use with a wide range 

of push buttons:

 – 800T 30 mm Type 4, 13

 – 800H 30 mm Type 4, 4X, 13

 – 800H/HL Type 7 and 9

 – 800R stations

• Compatible with a broad variety 

of device types:

– Momentary contact push buttons

– Trigger action E-stops

– Push-pull devices

– Selector switches

– Push-to-test pilot lights

State-of-the-art contact 

switching for hazardous 

location applications.

Publication 800T-PP010A-EN-P – April 2015 Copyright © 2015 Rockwell Automation, Inc. All Rights Reserved. Printed in USA. 

Allen-Bradley, LISTEN. THINK. SOLVE. and Rockwell Software are trademarks of Rockwell Automation, Inc. 

Trademarks not belonging to Rockwell Automation are property of their respective companies.

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