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Spelsberg White Inspection Window for use with Small Distribution Boards

Spelsberg Transparent Inspection Window for use with AK/AK-F 42 Enclosure

Spelsberg Transparent Inspection Window for use with AK/AK-F 56 Enclosure

Spelsberg Transparent Inspection Window for use with AK/AK-F 28 Plus Enclosure

Spelsberg Transparent Inspection Window for use with AK/AK-F 42 Plus Enclosure


Inspection windows are invaluable accessories for electrical enclosures, allowing safe visual access to internal electrical parts and components without the need to open the cabinet or enclosure door. By providing a transparent viewing solution, inspection windows significantly enhance operational safety and facilitate easier maintenance.

Their primary benefit lies in preventing exposure to hazardous live components while allowing personnel to monitor equipment status, perform quick visual checks, and even conduct infrared inspections without compromising security or risking exposure, making them crucial for industrial, electrical, and control system settings.

[RS Philippines](https://ph.rs-online.com/web/) offers a comprehensive selection of enclosure windows, available in durable polycarbonate and metal options, ensuring you find the right solution for your specific safety and visibility requirements.

## **What Are Inspection Windows Used For?**

Inspection windows are transparent panels installed within electrical enclosures, serving a crucial role in safeguarding personnel and streamlining operations. Their fundamental purpose is to offer a direct, unobstructed view into the enclosure’s interior without the need to open the door itself.

With an inspection window for the enclosure, you can safely observe gauges, indicators, and equipment status. This allows for essential condition monitoring and even limited operational adjustments without exposing internal circuitry, and preventing accidental contact with live electrical components. Furthermore, these clear enclosure windows are widely integrated into automation panels, switchgear, and circuit breakers across various industries.

## **Types of Inspection Windows**

The inspection windows for enclosures in our catalog come in various forms and are available with different certifications, including UL and Restriction of Hazardous Substances (RoHS) certificate of compliance, as well as NEMA and IP ratings, to ensure compliance and promote safety.

- **Plain/Standard Inspection Windows:** These provide direct visual inspection of internal electrical parts and components. Available in clear materials such as glass or polycarbonate options, they allow easy visibility for safe working, making quick visual checks possible without opening the cabinet.
- **Infrared (IR) Inspection Windows:** IR inspection windows incorporate materials transparent in the infrared spectrum, enabling thermal cameras to safely perform thermographic imaging through the window. This advanced type supports preventive maintenance by detecting hotspots and potential faults under full load, minimizing the risk of exposing personnel to live equipment.

## **Sizes, Shapes, and Materials Available**

When selecting an inspection window for your enclosure, you'll find a wide array of physical options to suit your exact needs and application environment at RS Philippines.

- **Shapes:** Our range includes circular, square, or rectangular inspection window options, allowing adaptable integration according to the shape and size of your enclosure door or panel.
- **Sizes:** These vary considerably, from small panels ideal for focused, handheld viewing to larger, machine-sized windows offering extensive visibility.
- **Materials:** Polycarbonate is a lightweight, inherently durable material that offers excellent transparency, making it suitable for both indoor and outdoor use. On the other hand, metals like stainless steel or aluminum are perfect for more demanding industrial environments.

Furthermore, most of our inspection windows also offer a high IP rating for superior protection against dust and liquids, ensuring the longevity of your internal components, as well as a NEMA rating designed to provide electrical safety and allow fully functional electrical components within the enclosure.

**What Are the Benefits of Infrared Inspection Windows?**

- IR inspection windows enable real-time thermal condition monitoring without opening enclosure doors.
- Facilitate safer energized electrical inspections, protecting personnel from electric shock or arc flash hazards.
- Allow early identification of potential faults by detecting hotspots and overheating components via thermal imaging.
- Support compliance with maintenance safety protocols and promote proactive asset management.

## **Where Inspection Windows Are Used Across Industries**

Inspection windows are fundamental for enhancing safety and efficiency in various industrial sectors by providing safe visual access to internal components.

### **Discrete Manufacturing**

Inspection windows for enclosures in discrete manufacturing are vital for monitoring motor control panels during live operation. They offer safe visual access to components within control cabinets and distribution panels, which is crucial for mechanical and automation systems.

### **Process Manufacturing**

For process manufacturing, these windows ensure continuous visibility of critical chemical processes. This allows operators to monitor system status safely and efficiently without needing to open the enclosures.

### **Energy & Utilities**

An infrared inspection window allows technicians to safely check temperature-sensitive components, such as busbars or circuit breakers, and other equipment involved in power generation and distribution for hotspots via thermal imaging without exposing themselves to live electricity.

### **Facilities & Intralogistics**

Within facilities and intralogistics, inspection windows are crucial for overseeing automated systems. They facilitate rapid visual checks on control systems, helping to swiftly identify and address operational issues without compromising security or visibility.

## **How to Choose the Right Inspection Window**

Follow these steps to help you choose the perfect fit from our catalogue for your setup:

- **Purpose of Inspection:** Determine whether you require a window for basic visual inspection or for advanced thermal (infrared) monitoring.
- **Size and Shape Requirements:** Consider the components you need to view and the available space on your enclosure. Choose a size and shape that provides adequate visibility without compromising the enclosure's integrity.
- **Material Selection:** Consider environment and durability needs. A polycarbonate inspection window is lightweight and cost-effective for general indoor and outdoor use, while a metal inspection window, like stainless steel, offers superior ruggedness for harsh industrial conditions.
- **Environmental Protection:** Verify the required IP or NEMA rating to ensure the window provides adequate sealing against dust, moisture, and other environmental factors relevant to your application.
- **Compliance and Standards:** Ensure the chosen inspection window complies with any specific industry standards or certifications required for your sector, ensuring both durability and adherence to regulatory requirements.

## **Why Buy Inspection Windows from RS Philippines**

When you need to enhance the safety and functionality of your enclosures, RS Philippines is your go-to manufacturer and provider for inspection windows that meet the demanding requirements of industrial and electrical applications.

Our extensive inventory features a selection of inspection window types and sizes, ensuring you can find the perfect fit for any cabinet or control panel. Whether you require standard plain windows, advanced infrared-compatible options for thermal monitoring, or specific IP-rated and NEMA-rated solutions for environmental protection, we have the right inspection window for your enclosure.

We stock reliable products from leading brands, including [Rittal](https://ph.rs-online.com/web/b/rittal/?displayMonolithBrandPage=true), [Schneider Electric](https://ph.rs-online.com/web/b/schneider-electric/), and our own high-specification [RS PRO](https://ph.rs-online.com/web/content/m/rs-pro-learn-more) line, guaranteeing trusted performance. Additionally, we stock a range of items to support your project, including [network cabinets](https://ph.rs-online.com/web/c/enclosures-server-racks/19-inch-racking/server-cabinets/) and [heavy-duty extension cords](https://ph.rs-online.com/web/c/cables-wires/electrical-power-industrial-cables/extension-leads-cable-reels/). With fast delivery services available nationwide, securing your necessary enclosure window and other components has never been more convenient. For more details about our delivery service and fees, visit our [Delivery page](https://ph.rs-online.com/web/content/support/all-articles/delivery).



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