HHY11 Series liquid level relays provide long-distance conductive level control for water supply and drainage systems. HHY11PG handles standard supply/drainage selection, while HHY11PG-A adds alarm and double-drainage operating modes.
Common Parameters
| Working Power Supply | AC/DC 100-240V |
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| Installation Method | Device mounting or 35mm rail mounting |
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| Contact Capacity | 1A AC240V resistive load; AC-15 Ue AC250V, Ie 3A |
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| Conventional Thermal Current Ith | 3A |
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| Rated Insulation Voltage Ui | 380V |
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| Rated Impulse Withstand Voltage Uimp | 4kV |
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| Dimensions | 24.5 × 85.5 × 90.5mm |
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HHY11PG
| Working Mode | Water supply or drainage, selected by shorting terminal |
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| Water Control Distance | ≤500m |
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| Contact Form | One set of NO and NC contacts |
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HHY11PG-A
| Working Mode | Water supply with ultra-high alarm; drainage with ultra-high double-row mode |
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| Water Control Distance | ≤200m |
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| Contact Form | Two normally open contacts |
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