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20PS-M-2.8 SPDT Manual Reset Switch - 2.8MPa Power Off

Model: 20PS-M-2.8; Thread: 7/16-20UNF Female; Switch points: Power Off=2.8MPa, Reset=1.95MPa (manual); Working pressure: 3~800PSI (0.02~5.5MPa); Burst pressure: 5000PSI; Temp: Ambient -30°C~+80°C, Medium -50°C~+120°C; Electrical rating: 125VA (24Vac), 375VA (120/240Vac); Life cycles: 30k/50k/100k optional; Switch type: SPDT.

Model:
20PS-2.8 SPDT Pressure Switch
Brand:
SHINE
Code:
20221153


Availability:



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Product Description

20PS-M-2.8 SPDT Manual Reset Pressure Switch (2.8MPa Power Off)

A safety-focused pressure control device, 20PS-M-2.8 combines SPDT dual-circuit auto-commutation and manual reset, with 2.8MPa power-off to protect critical systems. It avoids accidental restart after overload, fitting HVAC and industrial needs.

Core Advantages

Precision protection: Triggers power-off at 2.8MPa (overload) and needs manual reset at 1.95MPa, preventing unintended startup.

Reliable structure: Fusion-welded stainless steel sensor and full air-tight connection ensure leak-proof, durable operation.

Flexible use: Supports 0.02~5.5MPa adjustable pressure, plug/wire connections, and quick connector/welding installation; factory pre-set for immediate use.

Key Specification Table

Parameter	Details
Model	20PS-M-2.8
Thread Interface	7/16-20UNF Female
Switch Action Points	Power Off: 2.8MPa; Reset: 1.95MPa (Manual)
Working Pressure Range	3~800PSI (0.02~5.5MPa)
Burst Pressure
Operating Temperature	Ambient: -30°C~+80°C; Medium: -50°C~+120°C
Electrical Capacity	125VA (24Vac); 375VA (120/240Vac)

Application

Key Application Scenarios

HVAC & Refrigeration Systems

Ideal for commercial, industrial, and high-performance household air conditioning refrigeration systems. Provides precise high-low pressure protection to prevent compressor overload, pipeline rupture, or refrigerant leakage caused by pressure fluctuations. Its dual-circuit commutation adapts to the control needs of modern cooling equipment, ensuring stable and efficient operation.

Precision Industrial Equipment

Suitable for precision pressure control systems, hydraulic/pneumatic tools, pressure vessels, and laboratory instruments. Serves as reliable high-low pressure protection for industrial machinery in manufacturing, automotive, and aerospace fields. Withstands extreme temperature ranges and offers customizable pressure settings, making it versatile for scenarios requiring accurate, repeatable pressure switching and long-term operational reliability.