Descriptions of VB-3221

OMRON VB-3221 Product information and technical parameters:
Brand: OMRON
Name: Multiple Limit Switch
Model: VB-3221
Shape of box: With flange.
Actuator: Roller plunger (with a 6.8-dia. roller).
Conduit: Four.

A New Monoblock Multiple Limit Switch.
Incorporating a Head Box with a Tough.
Head and Ensuring High Sealing.
Performance and a Mechanical.
Durability of 5,000,000 Operations.
Used for the sequential control of a variety of engineering.
machines and belt conveyor lines.
Built-in oil filter shuts out oil and water.
Approved by EN, IEC (Ground terminal models only.) and,
CCC (Chinese standard). Ask your OMRON representative,
for information on approved models.
Ground terminal models bear the CE mark.

Appearance: Square/Projection type LED lighting,
(without Voltage Reduction Unit) A22L-D.
Output: SPST-NO.
Lighting: LED.
Operating voltage: 24 VAC/VDC.
Operation: Alternate operation (self-holding).
Illumination color: R (red); Y (yellow); G (green); W (white); A (blue).
Install in 22-dia. or 25-dia OMRON VB-3221. Panel Cutout.
(When Using a Ring).
Lever for easily mounting and removing the Switch Unit VB-3221
Increase wiring efficiency with three-row mounting of Switch Blocks.

Finger protection mechanism on Switch Unit provided as a standard feature.
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mounted using either open-type (fork-type) or closed-type.
(round-type) crimp terminals.
IP65 oil resistance (non-lighted models) OMRON VB-3221.
IP65 (lighted models). Type: 1a1b welding terminal.
Shape: rectangle.
Type: General load.
Motor function: alternate action (self retaining).

With lamp: no light.
Operation Department color: red.
20mm long, with 12 round series
High brightness all one side light.
Because it is round, so easy to punch.
Miniaturization, operation feel good. Type: M8 OMRON VB-3221.
Actuator: Cone-shaped actuator.
Cable length: 3 m.
Detects Objects in Multiple Directions,

with High Sensitivity, Ideal for Robotics,
Slow-action switching mechanism used.
Gold-plated contact with coil spring capable of switching,
micro current/voltage load while providing high contact reliability.
Inputs directly to microcomputers and programmable controllers.
Three sizes (M10, M8, and M5) and three types of compact actuators.
Easy panel mounting. Actuator: Sealed top-roller plunger.
Hermetic; Molded terminals, -139 models.
Select the Best Two-circuit Switch for the,

Operating Environment and Application,
from a Wide Range of Models,
A wide selection of models is available, including General-purpose,
Environment-resisstant, and Spatter prevention Switches VB-3221.
Standard-feature gold-clad crossbar contacts provide high reliability.
Applicable to either standard loads or microloads.
Switches with Lever Actuators provide 90° overtravel,
one-side operation, aand four-direction head mounting VB-3221.
Approved standards: EN/IEC, UL, cUL, and CCC.
Contact your OMRON representative for information on approved models.

Technical Specifications of VB-3221

Brand: OMRON
Name: Programmable Terminals
Model: NT21-ST121-E
Product: NT21 Programmable Terminal.
Specification: Monochrome STN, Frame color: beige.
Compact Size, High Performance.
Superb functionality with a compact screen size.

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