
HM-30, 90 Series
HITROL CO., LTD. 2
You should be careful where CAUTION is marked to carry
out the work.
You should be well-informed of the contents where
WARNING is marked before carrying out the work.
You should be aware of where NOTICE is marked to carry
out the work.
Table of Contents
Overview ................................................................. 3
Operating Principles ............................................. 3
Characteristic ............................................................. 3
Applications ............................................................. 4
Specification ............................................................. 4
Weather-Proof Version ...................................................... 4
Ex-proof Version ................................................................... 4
Process Condition Rating .................................... 5
Product Configuration and Technical Data ....................... 5
Dimensions and Detailed Technical Specifications .... 6
Weather-Proof Version ...................................................... 6
Ex-Proof Version ................................................................... 8
Contact Form ......................................................................... 9
Guide Pipe Version ........................................................... 10
Chamber Version ............................................................... 10
Switch Action and Specification ................................ 11
Wiring ................................................................... 12
SPDT Wiring ............................................................................ 12
DPDT Wiring............................................................................. 12
Installation .............................................................. 13
Precautions for Installation ............................... 14
Failure Check ....................................................... 14
Maintenance ........................................................... 14
Precautions for Removal..................................... 15
Precautions for Transportation and Assembly ............ 15
Precautions for Grounding ................................. 15
Precautions for Inserted External Wire
(Ex-proof) .. 15
Safety and Environment ........................................ 16
Marking ................................................................. 16
User Training ........................................................ 17
Warranty and Contact ........................................ 17