1. Introduction
This manual provides essential information for the safe and correct installation, operation, and maintenance of the Legrand 191511 Plexo IP55 Illuminated Push Button Switch. Please read this manual thoroughly before installation and keep it for future reference.
The Legrand 191511 is a grey, surface-mounted, illuminated push button switch designed for outdoor, basement, or garage installations, offering IP55 protection against dust and water splashes.
2. Safety Information
WARNING: Risk of Electric Shock!
- Installation must be performed by a qualified electrician in accordance with all national and local electrical codes and regulations.
- Always disconnect power at the main circuit breaker or fuse box before installing, servicing, or removing the switch.
- Ensure all connections are secure and properly insulated.
- Do not use the switch if it appears damaged.
- This product is rated IP55 for protection against dust and water splashes. Do not immerse in water.
3. Product Overview
The Legrand 191511 Plexo push button switch features an integrated illuminated indicator and a robust design suitable for demanding environments. Its IP55 rating ensures protection against dust ingress and low-pressure water jets from any direction.
Figure 3.1: Front view of the Legrand 191511 Plexo Illuminated Push Button Switch.
Key features include:
- Illuminated indicator for visibility.
- Surface-mounted installation.
- IP55 rated for outdoor and damp environments.
- Grey finish.
- Equipped with upper and lower membranes for cable entry up to 25 mm diameter.
- Junction seals for easy adjustment on various surfaces.
Figure 3.2: Exploded view of Plexo components.
- Housing: Provides ample space for wiring.
- Mechanism: Designed for tool-free removal.
- Frame: Tool-free disassembly.
- Cover: Secure fastening with 1/4 turn screws.
4. Setup and Installation
Follow these steps for proper installation of your Legrand Plexo push button switch. Ensure power is disconnected before proceeding.
Figure 4.1: Simple Assembly Steps.
- Step 1: Disassemble the Cover. Gently pull the front cover (key) to detach it from the main housing.
- Step 2: Remove the Mechanism. Use a simple lever action to extract the internal switch mechanism from the housing.
- Step 3: Prepare Cable Entry. Break the membrane(s) on the housing for cable entry. This can typically be done without special tools. The housing is designed to accommodate tubes up to 25 mm in diameter.
- Step 4: Wire the Mechanism. Connect the electrical wires to the screw terminals on the switch mechanism. Refer to Figure 4.2 for terminal details. Ensure correct polarity and secure connections. After wiring, press the mechanism firmly into the housing to fix it.
- Step 5: Fix the Frame. Attach the frame to the housing by simple pressure, ensuring it clicks into place securely.
- Step 6: Secure the Cover. Place the front cover (key) back onto the mechanism and secure it using the 1/4 turn screws. This ensures the IP55 rating is maintained.
Figure 4.2: Wiring terminals on the switch mechanism.
Once installation is complete, restore power and test the switch functionality.
5. Operating Instructions
The Legrand 191511 Plexo is a simple push button switch with manual operation.
- To activate the connected circuit, press the button firmly.
- To deactivate the connected circuit, press the button again (if configured as a latching switch) or release it (if configured as a momentary switch). The specific function depends on the wiring and the device it controls.
- The integrated light will illuminate when the button is pressed or when the circuit is active, depending on the wiring configuration.
6. Maintenance
The Legrand 191511 Plexo switch requires minimal maintenance.
- Cleaning: Clean the exterior of the switch with a soft, damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface or compromise the IP55 rating.
- Inspection: Periodically inspect the switch for any signs of physical damage, wear, or loose connections. Ensure the seals are intact to maintain the IP55 protection.
- Electrical Checks: If any issues arise, disconnect power before inspecting electrical connections. Only qualified personnel should perform electrical checks.
7. Troubleshooting
If you encounter issues with your Legrand Plexo switch, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Switch does not activate the circuit. |
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| Illumination light does not work. |
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| Water ingress or condensation inside. |
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If the problem persists after attempting these solutions, contact a qualified electrician or Legrand customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 191511 |
| Brand | Legrand |
| Dimensions (L x W x H) | 8.5 x 8.5 x 4 cm |
| Weight | 100 grams |
| Operating Voltage | 230 Volts |
| Current Rating | 6 A |
| Power | 150 Watts |
| International Protection (IP) Rating | IP55 (Dust protected, protected against low-pressure water jets from any direction) |
| Switch Type | Push Button |
| Contact Type | Normally Open |
| Connector Type | Screw Terminal |
| Mounting Type | Wall Mount, Surface |
| Actuator Type | Push Button |
| Number of Positions | 1 |
| Control Method | Tactile |
| Circuit Type | 1 Way |
| Color | Grey |
| Housing Material | Glass (as per specifications, typically durable plastic for IP55 housing) |
| Contact Material | Copper |
9. Warranty and Support
Specific warranty information for the Legrand 191511 Plexo switch is not available in this document. Please refer to the product packaging or the official Legrand website for detailed warranty terms and conditions applicable in your region.
For technical support, product inquiries, or assistance with installation, please contact Legrand customer service or visit their official website. Contact details can typically be found on the product packaging or on the Legrand corporate website.
