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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-Q21-2S is a top-mount roller-plunger limit switch from the ZE series, featuring a metallic, momentary action. It is constructed with stainless steel and includes screw terminals for secure wiring…

SKU 3G-OTH-130305

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-Q21-2S
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OMRON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OMRON ZE-Q21-2S is a top-mount roller-plunger limit switch from the ZE series, featuring a metallic, momentary action. It is constructed with stainless steel and includes screw terminals for secure wiring connections.

Frequently Asked Questions

What is the OMRON ZE-Q21-2S limit switch used for?

The OMRON ZE-Q21-2S 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, providing a momentary electrical signal for safety interlocks or sequencing.

What are the specifications of the OMRON ZE-Q21-2S?

The OMRON ZE-Q21-2S is a metallic, momentary-action limit switch from the ZE series. It features a stainless steel roller plunger actuator and screw terminals for wiring. The switch is designed for top-mount installation and provides reliable position detection in harsh environments.

Where to buy the OMRON ZE-Q21-2S limit switch worldwide?

3G Electric supplies the OMRON ZE-Q21-2S limit switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ZE series switch.

How to install the OMRON ZE-Q21-2S roller plunger limit switch?

Mount the OMRON ZE-Q21-2S securely using the top-mount holes, ensuring the roller plunger aligns with the cam or actuator. Connect wires to the screw terminals per the wiring diagram, using appropriate torque. Verify the switch actuates cleanly before energizing the circuit.

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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