Sensor Detachable Pressure Switch 3ch+Current+Communication

This product is a digitalized pressure monitoring solution designed to replace conventional mechanical pressure switches and gauges in various refrigeration and air conditioning systems. It offers enhanced functionality and operational convenience.

Multi-Channel Pressure Support: The device supports three pressure inputs: high pressure, low pressure, and hydraulic pressure.
Advanced Control Features: The unit provides pressure-based band control and PID control functions, enabling precise regulation of variable-capacity compressors and inverter-driven outdoor unit fans.
Leak Prevention Design: With its sensor-separable configuration, the product eliminates leakage risks commonly associated with high-pressure hoses, ensuring safe and reliable operation.
Isolated Communication Interface: Built-in high-reliability isolated communication enables real-time monitoring of sensor readings and various operational parameters for improved system management.
External Signal Output: The device supports external transmission of the measured pressure values via a standard 4–20 mA output signal, allowing easy integration with external monitoring or control systems.

Product Name [Specification]	3ch Digital Pressure Switch [SPE-series]
Power Supply	100~240VAC 50/60Hz
Power Consumption	10VA
Display Device	3 Digit FND × 2ea, LED × 6ea
Control Output	Relay 250VAC 3A [Normally Open] × 4ea
Input Specification	4~20mA × 3ea
Current Output	4~20mA × 2ea, Load Resistance ≤ 500Ω
Communication	RS485 × 1ea (Isolated)
Operating Temperature & Humidity	-10 ~ 60℃, 20 ~ 90%RH (Non-Condensing)
Storage Temperature & Humidity	-20 ~ 70℃, 5 ~ 95%RH (Non-Condensing)
Protection Structure	IP43 (Standard)