


SZ-7568T Temperature Controller | 20A Heavy Duty Relay with Alarm Output | –40°C to +99°C
The SZ-7568T Temperature Controller is a heavy-duty controller with a 20(14)A compressor relay, 5A alarm output, and –40°C to +99°C wide range. It offers compressor fault detection, 0.1°C precision, password protection, and reliable alarm functionality, making it ideal for Panel A/Cs, Oil Coolers, and industrial refrigeration systems.
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.



