LEMA NEWS CENTER

News & Blog

News Center

Metal Push Button Switch: Front-Panel Durability Notes
Blog LEMA Electric

Metal Push Button Switch: Front-Panel Durability Notes

A metal push button switch puts a harder bezel and actuator on the panel face, but front-panel durability still depends on material grade, gasket torque, impact test scope, and whether the switch behind the head can survive over-travel. This guide contrasts metal and plastic beze...

Read More
Custom Push Button Switch: OEM RFQ and Sample Checklist
Blog LEMA Electric

Custom Push Button Switch: OEM RFQ and Sample Checklist

A Custom Push Button Switch RFQ only works when you tell the supplier which changes are true engineering modifications—and which fields are still open—instead of sending a photo and a quantity. This page separates catalog configuration from custom work, shows what to write for co...

Read More
Flush Push Button Switch: Panel Clearance and Actuation
Blog LEMA Electric

Flush Push Button Switch: Panel Clearance and Actuation

A Flush Push Button Switch keeps the actuator near the panel face so routine start and reset commands need a deliberate finger press rather than a casual bump. This guide compares flush and projected heads, turns that choice into drawing checks for cutout, thickness, and rear kee...

Read More
12V Push Button Switch Control for Low-Voltage Circuits
Blog LEMA Electric

12V Push Button Switch Control for Low-Voltage Circuits

A 12V Push Button Switch: Low-Voltage Control Circuit Guide starts with one idea: the button is an operator contact on a low-voltage rail, not a universal power switch for every load. This article maps action type, NO/NC behaviour, control-versus-power staging, flyback protection...

Read More
24V Push Button Switch: PLC Input Interface Notes for OEM Panels
Blog LEMA Electric

24V Push Button Switch: PLC Input Interface Notes for OEM Panels

A 24V push button switch becomes a PLC digital input when its dry contact closes a low-current 24V DC loop that matches the input module’s sinking or sourcing common. This article walks through that interface logic, the difference between passive buttons and PNP/NPN sensors, how ...

Read More
Momentary vs Maintained Push Button: How to Choose
Blog LEMA Electric

Momentary vs Maintained Push Button: How to Choose

A momentary vs maintained push button decision comes down to what should happen after the operator releases the control: a momentary button acts only during the press, while a maintained button keeps its changed state until it is actuated again. That physical difference should be...

Read More
Reviewing Held-State Logic Inputs for a Limit Switch
Blog LEMA Electric

Reviewing Held-State Logic Inputs for a Limit Switch

Held-state machine logic must be defined in the circuit and reset sequence before a limit switch is selected. Record the required state, reset path, operator access, mounting and verification conditions in the inquiry. Important: actuator shape or a generic switch description doe...

Read More
Reviewing Valve Position Feedback Inputs for a Limit Switch
Blog LEMA Electric

Reviewing Valve Position Feedback Inputs for a Limit Switch

Valve position feedback starts with the real motion and control response, not a component label. Document travel, target geometry, mounting, cable routing and service access before selecting a limit switch. Important: a limit switch does not by itself establish valve compatibilit...

Read More
Reviewing Sliding Gate End-of-Travel Inputs for a Limit Switch
Blog LEMA Electric

Reviewing Sliding Gate End-of-Travel Inputs for a Limit Switch

Sliding-gate end-of-travel feedback must be reviewed with the real motion path and target geometry. Document alignment, control response, mounting, cable routing and service access before discussing a selected device. Important: a switch label or enclosure appearance does not pro...

Read More
Reviewing Garage Door Travel Inputs for a Limit Switch
Blog LEMA Electric

Reviewing Garage Door Travel Inputs for a Limit Switch

A garage-door limit switch should be evaluated within the moving door system, not as an isolated part. Record travel end points, actuator path, circuit response, mounting, cable routing and service access before requesting a model. Important: an end-position switch does not by it...

Read More
Reviewing an Industrial Foot Switch Installation for an OEM Build
Blog LEMA Electric

Reviewing an Industrial Foot Switch Installation for an OEM Build

An industrial foot switch should be reviewed as an installed operator interface, not as an isolated pedal. Capture floor conditions, access, mounting, cord routing, circuit context and service clearance before selecting a device. Important: an enclosure appearance or a product la...

Read More