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  • TurboChef HCT-4354 Relay, Solid State with Heat Sink, 10-27VDC, 40A replacement part
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OEM

Turbochef

TurboChef HCT-4354 Relay, Solid State with Heat Sink, 10-27VDC, 40A
Part #HCT-4354

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$199.99
$199.99
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PRODUCT OVERVIEW

The TurboChef HCT-4354 Solid State Relay with Heat Sink is a genuine OEM power switching component designed for TurboChef commercial ovens and equipment. Rated for a 10–27VDC control signal and 40 amps output, this solid state relay provides reliable, fast switching for high-current loads while reducing wear compared to mechanical relays. The integrated heat sink helps dissipate heat for stable performance and extended service life. Manufactured to TurboChef OEM specifications, it ensures proper fit and dependable operation in demanding commercial kitchen environments.

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Details

The genuine OEM replacement Relay, Solid State with Heat Sink, 10-27VDC, 40A is a high-current triac-based solid-state relay with an integrated heat sink assembly, engineered for TurboChef HCT oven circuits where reliable, contact-free switching of 40-ampere resistive heating loads is required with a control input voltage range of 10–27VDC matching the HCT's control board output. The wide 10–27VDC input range provides robust control signal compatibility across varying board supply conditions, while the integrated heat sink is factory-sized to maintain relay junction temperature within safe limits under continuous 40A duty in the HCT's operating environment — a critical design element that prevents premature thermal failure. Choosing a genuine OEM replacement ensures both the relay's semiconductor specifications and the heat sink's thermal resistance rating are validated for the HCT's specific load profile and enclosure thermal environment.

Solid-state relays with heat sinks fail in HCT service primarily when thermal interface compound between the relay body and heat sink dries out and loses conductivity, causing junction temperature to rise until the triac suffers permanent damage; this typically presents as a shorted output (heating element runs continuously) or an open output (heating element never energizes). Additional failure causes include contamination of heat sink fins by grease-laden air from the cooking environment and degradation of the relay's input optocoupler from voltage transients on the control circuit. Replacing the failed assembly with this genuine OEM 40A solid-state relay with heat sink corrects the switching fault, restores precise heating element control, and eliminates the risk of thermal runaway in the HCT oven's cooking circuits.

Installation requires full power disconnection and capacitor discharge before accessing the relay mounting location; fresh thermal interface compound must be applied between the relay body and heat sink mating surfaces, and mounting fastener torque should follow the specification in the HCT service manual to ensure optimal thermal contact without relay body stress. Replace this assembly at any sign of uncontrolled heating behavior, relay body discoloration, or heat sink fin blockage, and budget for preventive renewal of thermal compound at each major HCT service interval even if the relay itself remains functional. Pair replacement with heat sink cleaning, inspection of control wiring harness for transient damage, and a full HCT cook cycle test confirming proper heating element modulation before returning the oven to production.
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Product Specs

Voltage (V)

10-27V

Phase

1Ph

Amps (A)

40A

Warranty

90-day warranty

SKU

145770

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