Main Control Pack
AssemblyWall-mounted electronics module containing circuit breaker, relays, transformer, digital/analog controls sequencing jets, heater, pump, and chemical dosing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Main Control Pack parts and their functions
7 top-level parts · 10 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Main Breaker Panel | 1× | 50–60 A main breaker and sub-breakers for jets and heater |
| 2 | Control Transformer | 1× | 240V to 24V low-voltage control transformer |
| 3 | Control PCB Module | 1× | Main microcontroller board with relay drivers and interface |
| 4 | Relay | 4× | Electromechanical relays switching pump and heater circuits |
| 5 | Display & Control Panel | 1× | LED or LCD temperature and mode display with buttons |
| 6 | Microcontroller | 1× | Microcontroller (PLC or programmable relay) managing timers and safety interlocks |
| 7 | Touch Digitizer | 1× | Optional capacitive touchscreen for mode selection |
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Bill of materials for Main Control Pack
7 top-level lines · 7 rows shown · 10 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Breaker Panel | hot-tub-breaker-panel | 1× | 1 | · | part |
| 2 | Control Transformer | hot-tub-transformer | 1× | 1 | · | part |
| 3 | Control PCB Module | hot-tub-control-pcb | 1× | 1 | · | part |
| 4 | Relay | relay | 4× | 4 | · | part |
| 5 | Display & Control Panel | hot-tub-display-panel | 1× | 1 | · | part |
| 6 | Microcontroller | mcu | 1× | 1 | · | part |
| 7 | Touch Digitizer | touch-digitizer | 1× | 1 | · | part |
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Where the main control pack is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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 $1–$500. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳CATL
catl.com ↗
|
Ningde, CN | Li-ion cell & pack maker | 5,000 cells | 8–12 wks |
| evebattery.com ↗ | Huizhou, CN | Li-ion cell maker | 5,000 cells | 8–12 wks |
| amararaja.com ↗ | Tirupati, IN | Batteries & energy | 5,000 cells | 8–12 wks |
| durapowergroup.com ↗ | Singapore | Li-ion battery systems | 5,000 cells | 8–12 wks |
|
🇨🇳BYD
byd.com ↗
|
Shenzhen, CN | EV & battery manufacturer | 5,000 cells | 8–12 wks |