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OMRON Plunger Limit Switch: Roller Plunger, Metallic, Momentary - Top-Mount Roller-Plunger Limit Switches
OMRONTop-Mount Roller-Plunger Limit Switches

OMRON Plunger Limit Switch: Roller Plunger, Metallic, Momentary

The OMRON ZE-N21-2S is a top-mount roller-plunger limit switch from the ZE series, featuring a metallic roller plunger with momentary action. It includes screw terminals and a stainless steel construction, as…

SKU 3G-OTH-130304

Brand
OMRON
Item
Plunger Limit Switch: Roller Plunger, Metallic, Momentary
Category
Top-Mount Roller-Plunger Limit Switches
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Technical Specifications

OMRON
Manufacturer Part Number
ZE-N21-2S
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OMRON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OMRON ZE-N21-2S is a top-mount roller-plunger limit switch from the ZE series, featuring a metallic roller plunger with momentary action. It includes screw terminals and a stainless steel construction, as specified by the manufacturer.

Frequently Asked Questions

What is the OMRON ZE-N21-2S limit switch used for?

The OMRON ZE-N21-2S is a top-mount roller-plunger limit switch used for position sensing and control in industrial automation. It detects the presence or absence of objects in machinery, conveyors, and packaging equipment. Its momentary action and stainless steel construction suit harsh environments requiring reliable, repeatable switching.

What are the specifications of the OMRON ZE-N21-2S?

The OMRON ZE-N21-2S is a ZE series limit switch with a metallic roller plunger and momentary action. It features screw terminals for wiring and a stainless steel body. The manufacturer part number is ZE-N21-2S. It is designed for top-mount installation in industrial control applications.

Where to buy the OMRON ZE-N21-2S worldwide?

You can source the OMRON ZE-N21-2S through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine OMRON components for automation and control systems.

How to install the OMRON ZE-N21-2S limit switch?

Mount the OMRON ZE-N21-2S securely on a flat surface using the top-mount holes. Connect wires to the screw terminals per your control circuit diagram. Ensure the roller plunger aligns with the cam or actuator for proper momentary actuation. Test operation before full commissioning. Follow standard industrial wiring practices.

Used in

Common applications for OMRON
Automotive assembly lines — OMRON G2RV-ST500 AC/DC24 slim relays for compact control panel switching
Packaging machinery — OMRON E2E-X5Y1-M1 inductive proximity sensors for position detection of metal parts
HVAC systems — OMRON LY4-DC12 general-purpose relays for fan and compressor control
High-temperature ovens — OMRON E32-D51 fiber-optic cables for non-contact temperature sensing
Material handling — OMRON D4CC3002 limit switches for conveyor belt end-of-travel detection
Machine tool safety — OMRON TZ-1GV22 snap-action switches for interlock and guard monitoring

OMRON Products

3G Electric supplies OMRON top-mount roller-plunger limit switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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