SZ-7568T Temperature Controller | 20A Heavy Duty Relay with Alarm Output | –40°C to +99°C

Product Summary

The SZ-7568T Temperature Controller is built for high-load refrigeration systems requiring heavy-duty performance and fault alarms. It combines a 20A compressor relay, dedicated alarm relay, and wide –40°C to +99°C range to ensure reliable operation in industrial and commercial cooling applications.

Key Features

• Wide temperature range: –40°C to +99°C

• Resolution: 0.1°C or 1°C (settable)

• 20(14)A heavy-duty compressor relay

• Dedicated 5A alarm relay for system faults

• Cooling & heating mode selection

• 7 Segment LED display (3 × 17mm)

• Touch-sensitive keypad for easy operation

• Digital input for compressor fault detection

• Adjustable ON & OFF compressor delay for surge protection

• Password protection for parameter security

• Automatic operation during sensor failure

• High & low temperature logging

• Compact panel-mount housing (78 × 36 × 80 mm, cutout 71 × 29 mm)

Applications

• Panel Air Conditioners (Panel A/C)

• Oil Coolers

• Industrial chillers

• Refrigeration units requiring alarm indication

• High-load compressor systems in industrial cooling

Product Benefits

• High-capacity relay – supports compressors up to 20A (14A)

• Wide-range operation – works from –40°C to +99°C

• Reliable protection – alarm relay, compressor fault input, and delay safeguards

• Continuous operation – auto recovery during sensor failure

• User-friendly – touch keypad with password protection

FAQs

Q1. What is the supported temperature range?
It supports –40°C to +99°C with settable resolution of 0.1°C or 1°C.

Q2. How much load can it handle?
It supports compressors up to 20(14)A, suitable for heavy-duty applications.

Q3. Does it include alarm functionality?
Yes, it comes with a dedicated 5A alarm relay for system fault alerts.

Q4. What applications is it best suited for?
It is ideal for Panel A/Cs, Oil Coolers, chillers, and industrial refrigeration systems requiring alarm indication and heavy-duty compressor support.