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Sensor Integrated Pressure Switch Differential Pressure

Sensor Integrated Pressure Switch Differential Pressure

SPD-M-A

  • Power 100~220VAC
  • RS-485 Communication
  • 2ch Digital Pressure Switch
  • Pressure Range -1 ~ 50bar
  • Pressure Differential Control Between Pressure 1 and Pressure 2

Video

Overview and Features

This product replaces conventional mechanical pressure switches and gauges in refrigeration and air-conditioning systems with a digital solution, offering enhanced functionality and convenience. Its innovative design enables easy front-facing installation with pre-connected pressure piping. Engineered with Seungil Electronics' exclusive technology and premium design, it delivers highly accurate readings through Pressure 1 and Pressure 2 sensors. Experience superior performance at a lower cost than analog devices and reduce installation time with an all-in-one digital system.

- Automatic and manual reset functions with compatibility for various refrigerants
- Advanced functionalities including precise pressure control, sensor offset adjustments, sensor error detection, and reverse pressure detection
- Detects Pressure 1 and Pressure 2, calculates the differential pressure, and controls the system accordingly.
 



Specification

Product [Series Name] Pressure Switch Controller (SPD-series)
Power Supply [Allowable Range] 100-240VAC 50/60Hz [±10%]
Power Consumption 10VA
Display 3 Digit FND x 2ea, LED x 10ea
Input Specifications Input Range Pressure 2ch (Refrigerant), -1.0~5.0MPa, Accuracy: 0.5%
Connection Standard 7/16 UNF Male
Refrigerant Types 22, 134, 404, 407, 410, 452, 502, 507
Control Output Relay 250VAC 3A (C-contact x 2ea, A-contact x 1ea)
Harness Cable 300V 24AWG / 0.5A
Optional Features Communication RS485 x 1 channel, MODBUS RTU
Control Mode ON/OFF
Operating Temperature & Humidity -10~60℃, 20~90%RH (Non-condensing)
Storage Temperature & Humidity -20~70℃, 5~95%RH (Non-condensing)
Protection Structure IP33 (Standard)

Drawings

List