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The Tesla D1308 is a thermal overload relay with an adjustable range of 2.5-4A, designed for reliable motor protection in coordination with D09–D32 contactors. It safeguards motors by tripping during prolonged overcurrent, helping prevent overheating and mechanical failure. Ideal for use in pumps, fans, conveyors, compressors, and HVAC systems, it supports extended motor life and system safety.
Thermal overload relays provide time-delayed protection, simulating how a motor heats under load. Unlike circuit breakers, which respond instantly to short circuits, the D1308 is built to detect sustained overloads, making it essential for motor control circuits.
Tesla D1308 Features
Where to Use the Tesla D1308
(D1308)
It gives reliable protection against overload, reducing the risk of overheating and costly downtime.
Use the built-in dial to match the relay’s 2.5–4A range to your motor’s rated current.
No. It allows for short start-up surges and only trips if the overload is sustained, mimicking how a motor heats up.
Yes. It’s designed for continuous-duty equipment that needs consistent protection.
If set too low, the relay may trip too often; if set too high, the motor may not be protected properly. Always match the motor rating.
Yes. By tripping on overload, it protects motors from damage and keeps systems running reliably.
Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct
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