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Automatic Control & Switchover

Assembly

Electronic level sensor and relay logic automatically switching from rainwater to mains when tank depletes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Automatic Control & Switchover parts and their functions

5 top-level parts · 5 parts in total · full bill of materials below
Automatic Control & Switchover parts diagram: 1 tank level sensor, 2 control enclosure, 3 switchover relay, 4 control transformer, 5 low-level alarm. 5 parts in 5 top-level items.
Automatic Control & Switchover parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Tank Level Sensor 1× Float or ultrasonic level sensor in tank measuring water height
2 Control Enclosure 1× Weather-resistant polyester enclosure with relay and terminal blocks
3 Switchover Relay 1× 24 VDC relay controlling solenoid valve position
4 Control Transformer 1× 120V primary to 24V secondary step-down transformer
5 Low-Level Alarm 1× Optional piezo buzzer warning when tank drops below reserve volume

3D model

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Build & assembly graph

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Bill of materials for Automatic Control & Switchover

5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Tank Level Sensor rainwater-harvesting-system-level-sensor 1× 1 · part
2 Control Enclosure rainwater-harvesting-system-control-box 1× 1 · part
3 Switchover Relay rainwater-harvesting-system-switchover-relay 1× 1 · part
4 Control Transformer rainwater-harvesting-system-transformer 1× 1 · part
5 Low-Level Alarm rainwater-harvesting-system-low-level-alarm 1× 1 · part

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Where the automatic control & switchover is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks