Solid State Relays & SCR Power Modules
SSR Heatsink / Aluminum Heat Sink for Solid State Relay
SSR Heatsink is an aluminum heat sink radiator designed for solid state relay modules used in heating, temperature control, motor control, and industrial automation systems. It helps improve heat dissipation, reduce operating temperature, and extend SSR service life under continuous load. Available in different sizes from 85g to 680g, it is suitable for single phase and three phase SSR modules, including 10A, 25A, 40A, 60A, 80A, 100A and 120A models.
- Aluminum alloy heat sink for SSR modules
- Improves heat dissipation and thermal stability
- Suitable for single phase and three phase solid state relays
- Recommended for SSR loads above 10A
- Multiple sizes available: 85g to 680g
- Easy installation with SSR modules
- Helps extend relay service life under continuous load
- Suitable for heating equipment and control cabinets
- Stock / sample dispatch
- 3–5 working days
- Warranty
- 12 months
- OEM
- Supported
- Shipping
- Worldwide export
Technical specifications
| Material | Extruded aluminum |
|---|---|
| Construction | Multi-fin heat sink |
| Manufacturing Options | Custom cutting, rapid tooling, CNC machining, anodizing |
| Relay Mounting-hole Spacing | 48mm |
| Base Width | 80mm |
| Base Depth | 50mm |
| Heat Sink Height | 50mm |
| Installation | Integrated base rail channels |
| Fan Mounting | Side fan mounting supported |
| Properties | Corrosion resistant, wear resistant, heat resistant |
Model selection
| Phase | Current Range | Dimensions (L × W × H) | Fan |
|---|---|---|---|
| Single Phase | 10–40A | 80 × 50 × 50mm | 60mm fan |
| Single Phase | 25–80A | 80 × 68 × 50mm | 60mm fan |
| Single Phase | 25–60A | 100 × 80 × 50mm | 80mm fan |
| Single Phase | 60–120A | 100 × 96 × 50mm | 80mm fan |
| Three Phase | 25–40A | 100 × 80 × 105mm | 80mm fan |
| Three Phase | 25–60A | 100 × 80 × 150mm | 80mm fan |
Product Details & Model Selection
Extruded aluminum construction, precision-machined mounting surfaces, optimized fin geometry, installation dimensions and the full model selection table for this SSR heat sink series.

Related guides
How to Wire TCN4S and TCN4H/L/M Temperature Controllers: Contactor and SSR Methods
Terminal-by-terminal wiring instructions for the TCN4S-14RV and TCN4H/L/M-14RV PID temperature controllers, covering AC contactor (relay output) wiring, BSSR-25DA solid-state relay wiring, K type and PT100/Cu50 sensor connections, SSR heat sink sizing and a commissioning checklist.
Read guide Product Updates · 2024-03-18SSR-25DA Solid State Relay: Electrical Data, Sizing, Heat Sink and Wiring
Electrical data, current sizing rules, heat sink and derating guidance, wiring practice and a fault-finding table for the SSR-25DA DC-controlled solid state relay used on industrial heating loads.
Read guide Product Updates · 2025-04-04How to Choose a Solid State Relay: Input Type, Current Sizing, Switching Mode and Cooling
A practical selection reference for solid state relays: which input and output combination to specify, how to size load current and voltage including cold inrush, when to use zero-crossing versus random turn-on, and how to calculate the heat sink so the relay does not fail short-circuit.
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TSR Three Phase Solid State Relay — TSR-80DA, 10A–100A
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SSR3 Three Phase Solid State Relay — 10A–200A
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View detailsNeed help selecting the right model?
Send us the load, voltage, sensor type and output signal. We reply with the matching model, wiring notes and an OEM quotation.

