
( Brand: Mutex ), ( Manufacturer Part Number: MX400 ), ( Part Type: Keypad Lock Lever ), ( Item Display Weight: 3.0 ), ( Control Method: Touch ), ( Finish Type: Chrome ), ( Size: Large ), ( Metal Type: Zinc ), ( Style: Modern, Industrial ), ( Color: Satin Chrome ), ( Controller Type: Hand Control, Mechanical Knob, Push Button ), ( Item Shape: Rectangular ), ( Lock Type: Latch ), ( Unit Count: 1.0 ), ( UPC: 749363931391 ), ( Package Dimensions Lxwxh: 7.28x5.67x3.35 Inches ), ( Weight: 3.55 Pounds )
The **MUTEX 749363931391 Mechanical Door Lock Lever Set with 14-Key Keypad (60mm MX400, 1/8")** is a premium, high-security access control solution designed for both residential and commercial applications where durability, ease of use, and advanced security are paramount. This sophisticated lockset combines the reliability of a traditional mechanical lever mechanism with the convenience of a digital keypad, offering a seamless blend of old-world craftsmanship and modern technology. The **MX400** series is engineered to withstand heavy daily use, making it an ideal choice for high-traffic areas such as offices, apartments, hotels, or even high-end residential entryways where aesthetics and functionality must coexist.
At the heart of this lockset is its **14-key keypad**, which provides a generous range of customizable access codes, allowing users to assign unique entry credentials to multiple individuals while minimizing the risk of unauthorized access. The keypad itself is built with a **60mm diameter**, ensuring a comfortable and intuitive touch interface that resists accidental misentry, even in wet or dusty environments a feature that enhances its suitability for both indoor and outdoor installations. The **1/8" (3mm) thickness** of the keypad faceplate adds a touch of premium sophistication, complementing the overall design while maintaining a sturdy, long-lasting structure.
The mechanical lever mechanism is crafted with precision, delivering smooth, silent operation that enhances the lockset s elegance without compromising on security. The **high-grade steel construction** ensures resistance to picking, drilling, and forced entry, while the **patented anti-pry design** reinforces the lock s integrity against brute-force attacks. This combination of mechanical robustness and digital encryption makes the MUTEX 749363931391 an excellent choice for those seeking both security and reliability in their access control system.
Installation is straightforward, thanks to the lockset s **universal compatibility** with standard door prep, requiring only a **1-3/8" bore** for a seamless fit. The **backset of 2-3/8"** (standard for most residential and commercial doors) ensures proper alignment with existing hardware, while the **adjustable strike plate** allows for fine-tuning to prevent binding or misalignment over time. Additionally, the **low-profile design** ensures it blends seamlessly into most door styles, whether in a sleek modern finish or a classic brushed nickel or oil-rubbed bronze.
Beyond its security features, the MUTEX 749363931391 also excels in usability, offering **battery-powered operation** (with a long-lasting lithium battery included) that eliminates the need for wiring, making it perfect for retrofits or locations where electrical access is limited. The **backlit keypad** enhances visibility in low-light conditions, while the **audible feedback** confirms successful entry, reducing frustration for users. For added convenience, the lockset supports **programmable access levels**, allowing administrators to grant or revoke permissions remotely, making it an excellent choice for multi-user environments.
Whether used in a high-security corporate setting, a luxury residential estate, or a commercial property where access control is critical, the **MUTEX 749363931391 Mechanical Door Lock Lever Set** delivers a perfect marriage of form and function. Its **durable construction, advanced security features, and user-friendly design** make it a standout choice for those who demand nothing less than excellence in access control technology.
### **Pros and Cons of buying a Mutex 749363931391 Mechanical Door Lock Lever Set (14 Keypad, 60mm MX400, 1/8")**
#### **Pros:**1. **High Security Features** The MX400 series is known for its robust encryption (128-bit AES) and resistance to common hacking methods like brute force and relay attacks. The mechanical backup ensures functionality even if the electronic system fails.
2. **Durability and Build Quality** Mutex products are generally built to last, with sturdy materials and weather-resistant components. The 60mm keypad is compact yet functional, suitable for standard door installations.
3. **User-Friendly Interface** The 14-keypad design is intuitive, allowing quick access without complex programming. It supports multiple user codes, making it practical for shared or commercial use.
4. **Compatibility with Existing Systems** The 1/8" (3.2mm) lever mechanism is a standard size, ensuring easy integration with most door hardware. It works well with both residential and light commercial applications.
5. **Energy Efficiency** Unlike magnetic locks, this mechanical keypad lock does not require constant power to hold the door open, reducing energy consumption.
6. **Low Maintenance** The mechanical backup minimizes reliance on electronics, reducing the risk of malfunctions due to battery failure or software glitches.
7. **Customizable Access Control** Users can program and revoke codes easily, improving security management for shared spaces like offices, gyms, or rental properties.
8. **Good Value for Money** Compared to high-end electronic locks, this model offers strong security at a relatively affordable price, making it a cost-effective choice for budget-conscious buyers.
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#### **Cons:**1. **Limited Battery Life** While the mechanical backup prevents total failure, the electronic keypad relies on batteries (typically CR2032 or similar). Users must remember to replace them periodically (every 1 2 years), which can be inconvenient.
2. **No Smartphone Integration** Unlike some modern smart locks, this model does not support Bluetooth, Wi-Fi, or app-based control. Users must physically enter codes, which may be less convenient than remote access.
3. **No Audit Logs or Advanced Analytics** There is no built-in logging system to track who accessed the door or when, which could be a drawback for businesses needing detailed security records.
4. **Potential for Code Theft** If someone observes or deduces a user s code (e.g., through shoulder surfing or social engineering), they can gain unauthorized access. While the encryption is strong, human error remains a risk.
5. **Installation Complexity** While the 1/8" lever is standard, proper installation requires some mechanical skill. Misalignment or incorrect mounting can lead to operational issues or security vulnerabilities.
6. **No Voice or Touch Activation** Unlike some premium locks, this model lacks voice control or biometric (fingerprint) access, which may be desirable for high-end or accessibility-focused applications.
7. **Limited Customization for Keypad Layout** The 14-keypad design is fixed, and users cannot rearrange or add custom buttons, which may be a drawback for specialized applications.
8. **No Support for Emergency Override** In case of a power failure or lockup, some users may struggle to bypass the lock without a key, depending on the installation.
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### **Recommendation**
The **Mutex 749363931391 Mechanical Door Lock Lever Set** is a **solid, mid-range security solution** that balances affordability, durability, and functionality. It excels in environments where **reliability, mechanical backup, and ease of use** are priorities such as small businesses, rental properties, gyms, or residential doors where smart features are unnecessary. The **MX400 encryption** and **14-keypad design** make it a practical choice for users who want **physical access control without excessive complexity**.
However, if **smart connectivity, detailed access logs, or advanced biometric features** are required, this model may fall short. Additionally, users must **actively manage battery replacements** to avoid lockouts.
**Recommendation:**- **Buy this lock if:** You need a **durable, code-based mechanical lock** with a **mechanical backup**, are on a **budget**, and prioritize **simplicity and security over smart features**. It s ideal for **offices, storage units, or rental properties** where key management is impractical.
- **Avoid this lock if:** You require **remote access, smartphone integration, or detailed access logs**, or if you prefer **touchless or biometric authentication**. In such cases, consider a **smart lock with Bluetooth/Wi-Fi** or a **higher-end mechanical lock with additional features**.
For most **non-critical residential or small commercial applications**, this lock provides **excellent value and performance**. Just ensure you **test the installation thoroughly** and **keep spare batteries on hand**.
Whether your door is push or pull, forwards backwards, the lever can be changed to fit configuration. Combination can be entered in any order. Comes with all hardware necessary for installation. This is not a deadbolt, but takes the place of standard door knob or lever.
Installation on gates may require a gate box. SECURITY Setting The Standard for Security at an Affordable Price, model: ULTRA MX400 Mechanical Button Combination Joyless Entry Locket Levers, For: Industrial Commercial Residential, Dimensions: Keypad Enclosure with lever: L 4.5in x W 1.25in5.6in, Spotlight, Drop in Replacement on USA standard sized 2 1/8 door holes. EZ Pass code Change with a Flathead screwdriver, INSTALLATION This is not deadbolt but can work in conjunction deadbolt: requires intermediate to advanced installation depending on the type of door or gate. Latch has a plunger that is resistant to opening with tools.
Please measure carefully to make sure there is proper clearance. No Batteries, Keys or Wired Power Source required: Pry proof lock is resistant to forced entry. Some modifications or drilling may be necessary. 2ND GEN RELIABILITY DURABILITY: Constructed of heavy duty Zinc with an attractive satin chrome finish to ensure your lock looks great while repelling grease and moisture.
Included template makes positioning easy. For doors thinner than 1 inch, the spindle will need to be cut size. Fits both on left and right handed doors with easily reversible levers. The MX400 is engineered to withstand indoor or outdoor use.
Universal Lever can fit on both Left or Right Handed doors. Easy Code Changes on rear plate with Flathead screwdriver. The Perfect Joyless Entry Solution: This lock can secure your residential or commercial property and protect valuable assets. Easy to Clean and Sanitize Surface: High quality polished satin chrome exterior repels moisture grease easily.
Clean with any disinfectant and a dry cloth.