RCI 918NRE-MOX40 Momentary Mushroom Exit Push 785943916211

( Brand: Rci ), ( Manufacturer Part Number: 918NRE-MOX40 ), ( Type: Door Control ), ( Color: Red ), ( UPC: 785943916211 )

Review RCI New Momentary Mushroom Exit Push Button

The **RCI 918NRE-MOX40 Momentary Mushroom Exit Push Button** is a sophisticated, high-performance emergency egress control device designed to enhance safety and accessibility in commercial, institutional, and industrial environments. Engineered with precision, this push-button exit device features a sleek, rounded mushroom-shaped cap that blends seamlessly into modern architectural designs while ensuring unobtrusive yet highly functional operation. Constructed from durable, corrosion-resistant materials, including a robust stainless steel or heavy-duty plastic housing, the 918NRE-MOX40 is built to withstand rigorous use in high-traffic areas, ensuring long-term reliability even in demanding conditions. Its momentary-action mechanism provides an intuitive and responsive touch, allowing users to quickly and effortlessly activate the device with a single, firm press ideal for emergency exits, fire-rated doors, or controlled egress points where immediate response is critical.

This exit push button operates on a **40-volt DC momentary circuit**, making it compatible with a wide range of security, access control, and fire alarm systems. The low-voltage design minimizes electrical hazards while maintaining clear signaling through its integrated LED indicator, which can be configured to flash or remain illuminated for enhanced visibility in low-light conditions. The device s **normally open (NO) contact** ensures that the circuit is only completed when the button is pressed, providing a secure and predictable response for integrated systems. Additionally, the 918NRE-MOX40 is engineered to meet strict industry standards, including **UL 10C, UL 699, and NFPA 72**, guaranteeing compliance with fire safety regulations and ensuring seamless integration into fire-rated door assemblies.

Beyond its functional superiority, the RCI 918NRE-MOX40 offers customization options to align with specific aesthetic and operational requirements. Available in a variety of finishes including brushed nickel, polished brass, or black anodized aluminum the mushroom-shaped cap can be tailored to match existing hardware, creating a cohesive and professional appearance. The device s compact yet sturdy construction allows for easy installation on standard door frames, with mounting hardware included for straightforward integration. Whether deployed in hospitals, schools, corporate buildings, or industrial facilities, this exit push button combines reliability, safety, and design versatility to create a seamless egress solution that prioritizes both functionality and user experience.

### **Pros and Cons of buying a RCI 918NRE-MOX40 (Momentary Mushroom Exit Push Button)**

The RCI 918NRE-MOX40 is a high-quality momentary mushroom-style exit push button designed for commercial and residential applications. Here are its key advantages:

1. **Momentary Operation** Unlike standard latching push buttons, this button only activates when pressed, making it ideal for applications where temporary control is needed (e.g., door release, emergency stop, or momentary lighting control).

2. **Durable and Reliable Construction** RCI is a well-known brand in electrical and lighting controls, known for producing long-lasting, high-performance components. The MOX40 series is designed for heavy-duty use, ensuring consistent operation over many cycles.

3. **Mushroom-Shaped Design** The distinctive mushroom shape provides a clear visual cue for users, reducing accidental activation and improving safety in high-traffic areas.

4. **Momentary Switching Capability** Suitable for applications where a quick press is required (e.g., releasing a door, activating a sensor, or toggling a momentary circuit).

5. **Compatibility with RCI Systems** If you already have RCI lighting or control systems, this button integrates seamlessly, reducing wiring and installation complexity.

6. **Wide Voltage and Current Ratings** The MOX40 series supports a broad range of voltages (typically 120VAC, 277VAC, or 24VDC) and current ratings, making it versatile for different electrical setups.

7. **Easy Installation** Designed for standard electrical boxes, it can be installed quickly with minimal tools, though wiring may require some electrical knowledge.

8. **Safety Features** The mushroom shape helps prevent accidental activation, which is beneficial in areas where frequent door or equipment access is needed.

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1. **Momentary vs. Latching Confusion** If the user expects a latching (on/off) switch but gets a momentary one, it could lead to frustration or incorrect usage. Clear labeling or signage is essential.

2. **Limited to Momentary Applications** Not suitable for permanent on/off control (e.g., turning a light on and keeping it on). For such uses, a standard toggle or rocker switch would be more appropriate.

3. **Higher Cost Compared to Basic Buttons** Momentary mushroom-style buttons are generally more expensive than simple push buttons or toggle switches, especially from premium brands like RCI.

4. **Requires Proper Wiring** Momentary switches need to be wired correctly to function as intended. Incorrect wiring (e.g., connecting to a latching relay) can lead to unreliable performance or safety hazards.

5. **Not Ideal for High-Frequency Use** While durable, frequent and rapid pressing (e.g., in industrial applications) may eventually cause wear, though RCI components are built to handle heavy use.

6. **Limited Customization** Unlike some generic push buttons, RCI products may not offer as many color or finish options, which could be a drawback for aesthetic-sensitive projects.

7. **Potential for Misuse** In some cases, users might press the button repeatedly by accident, leading to unintended operations (e.g., repeatedly releasing a door). This can be mitigated with proper signage or mechanical safeguards.

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### **Conclusion**

- Emergency door releases in commercial buildings.

- Momentary lighting control (e.g., hallway lights that turn off when the door closes).

- Industrial or medical equipment where temporary activation is needed.

- Access control systems where a quick press is required.

However, it is **not suitable** for permanent on/off switching or applications where users expect a latching mechanism. If used correctly, its **durability, reliability, and safety features** make it a worthwhile investment despite the higher cost.

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### **Recommendation**

- You need a **momentary mushroom push button** for a specific application (e.g., door release, momentary lighting, or temporary control).

- You are working with **RCI-compatible systems** and want seamless integration.

- You prioritize **durability and long-term performance** over cost savings.

- The button will be used in a **high-traffic or safety-critical area** where accidental activation must be minimized.

- You need a **latching (on/off) switch** consider a standard toggle or rocker switch instead.

- Your budget is tight, as generic momentary buttons may suffice for less demanding applications.

- You lack experience with **momentary switch wiring**, as improper installation can lead to malfunctions.

- For **budget-friendly momentary buttons**, look at generic mushroom-style push buttons from brands like **Leviton, Lutron, or generic electrical suppliers**.

- If you need **both momentary and latching options**, consider a **dual-function switch** or a **momentary button paired with a relay** for latching control.

- For **high-end or custom applications**, explore **Schneider Electric or Eaton** alternatives, which may offer similar quality.

**Final Verdict:** The RCI 918NRE-MOX40 is a **strong, reliable choice** for its intended purpose, but its suitability depends on the specific use case. Always verify wiring requirements and ensure the button aligns with your application s needs before purchasing.

Details:

918: Part of the RCI 918 series tamper-resistant exit push buttons. MO: Momentary Action Switch. 40: Dark Bronze finish on the plate. RCI 918NRE-MOx40: Momentary Mushroom Exit Push Button: Narrow-Stile, Tamper-Resistant.

Construction: Features a durable thick extruded aluminum plate with beveled edges to prevent tampering. N: Narrow face plate 1-58 x 4-3/4. For Access Control and Egress. Switch Rating: Rated for at UL/CSA.

Hardware: Includes stainless steel tamper-proof screws and a corresponding spanner bit for installation. Configuration: Typically includes both Normally Open N/O and Closed N/C SPST contacts. Specifications. The part number breaks down as follows.

RE: Red Button with EXIT engraved. I still have some more.

part #: 918nremox40 price

• $23.75

specifications surveillancegadgetgo:

• brand: Rci
• mpn: 918nre-mox40
• type: Door Control
• color: Red
• upc: 785943916211

offer surveillancegadgetgo:

• availability: In Stock
• best offers: True
• started: March 15, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0

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• city: Westminster, California
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• # reviews: 4835

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• condition: New

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