Finder 077.T1 – 77 Series Modular solid state relays – Accessory

Why Choose the Finder 077.T1 Thermal Interface Pad?

The Finder 077.T1 is a thermal interface pad for compatible Finder 77 Series solid state relays (SSRs), designed to improve heat transfer between the relay mounting surface and a suitable heat sink. This practical accessory supports thermal management in industrial switching, heating control and automation applications.

Solid state relays generate heat during operation, making an effective thermal connection to the heat sink essential. The Finder 077.T1 provides an interface between the two mounting surfaces, helping reduce the effect of small surface irregularities and air gaps that can restrict heat transfer.

As part of the Finder 77 Series accessories range, the 077.T1 is intended for use in compatible SSR and heat sink assemblies. It is particularly relevant to installations using suitable Finder heat sinks, including the Finder 077.21, where correct thermal interface selection contributes to effective cooling.

Key Advantages

• Purpose-designed thermal interface pad for compatible Finder solid state relay assemblies.
• Helps improve thermal contact between an SSR and its heat sink.
• Reduces the effect of small air gaps and surface irregularities at the mounting interface.
• Supports effective heat transfer away from semiconductor switching components.
• Suitable for industrial automation and electrical heating control applications.
• Compact accessory that fits between compatible mounting surfaces.
• Supports thermal management without requiring electrical power.
• Useful for new SSR installations and maintenance of compatible cooling assemblies.
• Provides a convenient alternative to applying conventional thermal compound where specified by Finder.
• Designed to complement compatible Finder 77 Series heat sinks.

Key Features

• Finder 077.T1 thermal interface pad.
• Part of the Finder 77 Series accessories range.
• Designed for use between compatible solid state relays and heat sinks.
• Supports thermal conduction across the relay-to-heat-sink interface.
• Helps minimise thermal resistance caused by imperfect surface contact.
• Suitable for compatible Finder 77 Series SSR installations.
• Can be used with compatible cooling arrangements incorporating the Finder 077.21 heat sink.
• Passive thermal management accessory.
• No electrical supply required.
• No moving parts or integrated cooling components.
• Does not provide electrical switching or control functions.
• Requires correct positioning and mounting pressure according to the applicable installation instructions.
• Manufacturer part number 077.T1.

Effective Thermal Contact for Industrial Solid State Relay Cooling

Solid state relays use semiconductor components to switch electrical loads without conventional moving contacts. During operation, these components dissipate heat, particularly in applications involving substantial load currents or frequent switching. A suitable heat sink is often required to maintain acceptable operating temperatures.

The Finder 077.T1 thermal interface pad is positioned between the compatible SSR and its heat sink to support heat conduction across the mounting surfaces. Its role is to improve the thermal interface rather than independently cool the relay. Correct relay selection, heat sink sizing, mounting conditions and ambient temperature remain essential to the overall thermal design.

When installing the Finder 077.T1, engineers should follow the applicable Finder mounting instructions and confirm that the chosen pad, relay and heat sink are compatible. The pad does not increase the relay's rated switching current or replace the need for appropriate electrical protection.

Typical Applications

• Thermal interface installation for compatible Finder 77 Series SSRs.
• Industrial electric heating control panels.
• Temperature regulation equipment.
• Process heating and automation systems.
• Solid state relay assemblies with passive heat sinks.
• Industrial machinery control cabinets.
• Packaging and manufacturing equipment.
• OEM electrical switching assemblies.
• Maintenance of compatible SSR cooling systems.
• Electrical panel-building projects requiring effective semiconductor heat transfer.