
HR-30 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
Operation Principle ················································ 3
Characteristics ····························································· 3
Specifications ····························································· 4
Stainless Steel (Flange) ······················································· 4
Stainless Steel (Screw) ························································ 4
PVC ······························································································ 4
TEFLON ······················································································ 5
Specifications Applied to the Float ·························· 5
Contact Point Capacity ·········································· 6
SPST ····························································································· 6
SPDT ···························································································· 6
Latching Switch ······································································ 6
Contact Form ·························································· 6
Minimum Section Distance ············································ 7
Stainless Steel ········································································· 7
PVC ······························································································ 7
TEFLON ······················································································ 7
Float Application Table ········································· 8
Product Composition ············································ 9
Dimensions ····························································· 10
Weather-proof ······································································ 10
Ex-proof ··················································································· 11
Maintenance ···························································· 12
Precautions for Removal ········································ 12
Precautions for Installation ···································· 12
Precautions for Inserted External Wire ······················ 12
Precautions for Grounding······································· 13
Precautions for Attachment ····································· 13
Wiring ···································································· 14
Matters regarding Operation and Use ····················· 14
Safety and Environment ·········································· 15
Marking ································································· 15
User Training ························································ 16
Warranty and Contact ········································ 16