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PRESSURE SWITCH SMC (SHOKETSU) MODEL 1502
- AC125/250V 5A
- DC 30V 5A
- PRESSURE: 0.2 ~ 1 kg/cm²
In stock
ℹ️ Additional Information
| Condition |
USED/GOOD WORKING CONDITION |
|---|---|
| Manufacturer |
SMC |
| Product Code |
100.199.00263 |
📦 Guarantee Terms
🗂️ Product Files
🖹 Description
This is a pressure switch — a general-purpose industrial one for air or fluids.
The mechanical pressure switch model 1502 by SMC Corporation is a reliable and versatile device designed for monitoring and controlling pressure in industrial systems. It is widely used in pneumatic, hydraulic, and general automation applications where simple ON/OFF pressure control is required.
What It Is
The SMC 1502 is a general-purpose mechanical pressure switch that detects pressure levels within a system and activates or deactivates an electrical contact when a preset threshold is reached. It is a fundamental component in automation and safety systems.
What It Does
This pressure switch continuously monitors system pressure and:
- Triggers an electrical signal when pressure reaches a setpoint
- Controls equipment such as compressors, pumps, or valves
- Provides basic protection and automation functionality
It operates as an ON/OFF device, making it ideal for straightforward control applications.
Design and Components
The SMC 1502 features a robust industrial design with key components including:
- Top adjustment screw: Used to set the desired pressure threshold
- Main body: Contains the diaphragm and internal microswitch
- Process port (bottom): Connects to the pressure line
- Electrical housing (side): Provides wiring connections
Its durable construction ensures long service life even in demanding environments.
How It Works
The operating principle is simple and effective:
- Pressure enters through the process port
- The pressure acts on an internal diaphragm
- When the pressure reaches the setpoint, the microswitch toggles
- An electrical signal is sent to a control system
Typical Applications
The SMC 1502 pressure switch is commonly used in:
- Air compressors
- Pneumatic systems
- Hydraulic circuits
- Industrial automation systems
- Safety shutoff and alarm systems
Example Scenario
Setpoint: 0.5 kg/cm²
| Pressure | Result |
| 0.2 kg/cm² | OFF |
| 0.5 kg/cm² | Switch ON |
| 0.8 kg/cm² | ON |
Key Features
- Suitable for low-pressure applications (0.2–1 kg/cm² range)
- Supports both AC (125/250V, 5A) and DC (30V, 5A) switching
- Robust and proven industrial design
Advantages
- Simple and reliable operation
- Easy installation and adjustment
- Cost-effective solution for pressure monitoring
- Suitable for a wide range of industrial environments
In Simple Terms
Think of the SMC 1502 as a “pressure ON/OFF switch” that automatically controls equipment based on pressure levels.
Comparison with Other Pressure Switches
- Differential pressure switch → monitors pressure difference (filters, flow)
- Gas pressure switch → ensures safe gas operation
- General pressure switch (this device) → controls pressure in standard systems
Role in a System
Pressure line → Pressure switch → PLC/relay → Equipment control
Big Picture
The SMC 1502 belongs to the basic control and protection layer of industrial systems, ensuring safe and efficient operation.
