Omron V-156-1A5 General Purpose Micro Switch: Technical Guide, Applications and Installation
When a machine has to run 24/7, component selection is not about saving a few euros on the BOM — it is about selecting items that will not become a production problem. The Omron V-156-1A5 General Purpose Micro Switch is designed precisely for that reality, with general automation at the top of its application list.
In a well-designed automation system, the sensing layer and the switching layer work in close coordination. Omron’s Omron Sensor range is engineered to feed signals directly into relays and controllers from the same manufacturer, minimising compatibility concerns and simplifying system validation.
About the Omron V-156-1A5 General Purpose Micro Switch
The Omron V-156-1A5 is a General Purpose Micro Switch, built to handle general automation reliably over a long service life. Key engineering features include 15 a high contact current, compact body, standard design, and the unit mounts via screw mount.
The engineering case for the Omron V-156-1A5 General Purpose Micro Switch rests on a clear set of advantages: 15 a high contact current, compact body, standard design. Its specifications cover the majority of standard industrial installation scenarios.
Specifications at a Glance
The table below summarises the main technical parameters of the Omron V-156-1A5. For full specifications, always refer to the official Omron product datasheet, as application-specific derating may apply.
| Parameter | Value |
|---|---|
| Product Type | General Purpose Micro Switch |
| Contacts / Channels | SPDT |
| Contact Current | 15 A |
| Key Features | 15 A high contact current, compact body, standard design |
| Mounting | Screw mount |
| Mechanical Lifetime | 30 million mechanical operations |
| Operating Temperature | -25 °C to +85 °C |
Industry Use Cases
The Omron V-156-1A5 General Purpose Micro Switch is commonly specified for the following applications:
- General automation
- Household appliances
- Industrial equipment
Across these use cases, the consistent thread is a need for dependable switching over a large number of operations, often in environments where an unplanned fault would create significant disruption. The Omron V-156-1A5 is designed with exactly those conditions in mind.
Installation Checklist
A few installation details make a tangible difference with the Omron V-156-1A5 General Purpose Micro Switch. Using the correct Omron socket eliminates contact resistance mismatch. Leaving adequate clearance around the unit supports thermal dissipation in dense panel layouts. And ensuring terminal screw torque is within spec prevents the kind of creeping resistance that causes intermittent faults months later.
For ongoing maintenance, periodically inspect for contact discolouration, check terminal screws for loosening, and look for any signs of heat stress on the housing. Catching these early avoids the much larger cost of an unplanned production stop.
Omron V-156-1A5: Long-Term Value
Omron’s reputation in automation did not come from clever advertising. It came from decades of components performing reliably in factories, warehouses, and process plants around the world. The V-156-1A5 General Purpose Micro Switch is a current embodiment of that engineering culture — nothing superfluous, nothing compromised.
Frequently Asked Questions
How do I install the Omron V-156-1A5?
Mount the Omron V-156-1A5 General Purpose Micro Switch on a 35 mm DIN rail using the compatible socket or directly as specified. De-energise the circuit before installation, connect cables at the rated cross-section, and tighten terminal screws to the torque values stated in the datasheet.
What is the electrical lifespan of the Omron V-156-1A5?
Electrical lifespan depends on switching frequency and load type. At rated resistive load, Omron relay products typically achieve several hundred thousand to over a million operations. The exact figure for the Omron V-156-1A5 is stated in its technical datasheet.
Can the Omron V-156-1A5 switch inductive loads?
Yes, but inductive loads reduce contact lifespan due to higher arc energy at switch-off. For frequent inductive switching with the Omron V-156-1A5 General Purpose Micro Switch, a suppression device — such as a varistor or RC snubber — is recommended across the load.
Is the Omron V-156-1A5 RoHS compliant?
Omron products conform to the RoHS Directive requirements. Specific compliance documentation for the Omron V-156-1A5 can be requested from your authorised Omron distributor.
What should I check during periodic maintenance of the Omron V-156-1A5?
Inspect contact surfaces for pitting or discolouration, check terminal screws for loosening (particularly in high-vibration environments), and verify that the housing shows no thermal discolouration. Replace the unit if any of these signs are present.