Description
Omron VB-3221 Limit Switch – Specifications
Product Type:
Industrial Limit Switch / Multiple Limit Switch
Brand:
OMRON
Model:
VB-3221
Electrical Data
Rated Voltage: up to 250 VAC / 125 VDC
Rated Current: 10 A (AC resistive load) / 600 mA (DC)
Contact Configuration: SPDT (Changeover contact)
Electrical Life: approx. 300,000 operations
Mechanical Life: up to 5,000,000 operations
Mechanical Data
Actuator Type: Roller plunger (6.8 mm roller)
Mounting Type: Panel / chassis mounting
Housing Material: Die-cast aluminum alloy
Protection Degree: IP67 (dust and water resistant)
Conduit Entries: Multiple wiring ports (industrial configuration)
Performance Features
High durability for industrial automation
Stable switching performance under continuous operation
Excellent sealing for harsh environments (oil, dust, moisture)
High mechanical strength and long service life
Operating Conditions
Operating Temperature: -10°C to +80°C
Operating Humidity: 35% – 95% RH
Vibration Resistance: Industrial-grade anti-vibration design
Shock Resistance: High mechanical impact tolerance
Applications
Industrial automation systems
Conveyor systems
Machine tools
Safety interlock systems
Position detection in heavy machinery





