Simplex locks offer a perfect blend of security and convenience, making them an increasingly popular choice for homes and businesses alike. With their reliable push-button entry, these keyless locks eliminate the hassle of lost keys and complicated access systems. Whether you’re looking to upgrade your security or streamline entry, our shopping guide will help you find the perfect simplex lock to suit your needs.
Simplex Locks: Comparison of Types and Applications
| Series / Model | Locking Mechanism | Key Override | Application | Door Type | Grade | ADA Compliant | Weather Resistant | Price Range |
|---|---|---|---|---|---|---|---|---|
| Simplex 1000 | Cylindrical Knob | Optional | Interior/Exterior Doors | Wood/Metal | Grade 1 | No* | Yes | $$ |
| Simplex L1000 | Cylindrical Lever | Optional | High Traffic Entryways | Wood/Metal | Grade 1 | Yes | Yes | $$ |
| Simplex 5000 | Cylindrical Lever | Yes | Commercial, Schools, Offices | Wood/Metal | Grade 1 | Yes | Yes | $$$ |
| Simplex 7100 | Auxiliary Latch/Deadbolt | Optional | Auxiliary/Side Entrances | Wood/Metal | Grade 2 | No | Yes | $ |
| Simplex 900 | Deadbolt/Thumbturn | Optional | Offices, Closets, Restrooms | Wood/Metal | Grade 2 | No | Yes | $ |
| Simplex 9600 | Cabinet Lock | No | Cabinets, Drawers, Boxes | Cabinet/Drawer | N/A | N/A | Yes | $ |
| Simplex EE1000 | Knob, Both Sides | Optional | High Security, Hospitals | Wood/Metal | Grade 1 | No | Yes | $$ |
| Simplex 8100 | Mortise | Optional | Mortise Door Locking | Metal/Wood | Grade 1 | Yes | Yes | $$$ |
| Simplex 3000 | Narrow Stile | Optional | Storefronts, Glass Doors | Aluminum Narrow Stile | Grade 1 | Varies | Yes | $$ |
| Simplex 2015/LP1000 | Exit Trim | Yes | Exit Device Pairing | Wood/Metal | Grade 1 | Yes | Yes | $$$ |
* Knob models may not meet ADA compliance; lever/handle models usually do.
$ = Basic ($120-$200). $$ = Standard ($200-$400). $$$ = Premium ($400+).
Everyday Usage of Simplex Locks
Simplex locks are renowned for providing secure, keyless entry through mechanical pushbutton operation. You’ll find them widely used in both commercial and residential settings, offering convenience in:
- Offices and Medical Facilities: Secure rooms without key management hassle.
- Commercial Entrances: Frequently used on front/back doors, storage rooms, and employee-only areas.
- Restrooms and Gyms: Ensures privacy and authorized access.
- Residential Properties: Front/side doors, home offices, and garages.
- Cabinet & Drawer Security: Protects sensitive files or valuables with compact cabinet models.
With a straightforward pushbutton code, authorized users gain entry without keys or cards. Codes can typically be changed quickly for ongoing security, and many models allow passage mode for periods of unrestricted access.
Benefits of Simplex Locks
1. No Batteries or Wiring Needed
Simplex locks are 100% mechanical—there’s never a need to change batteries or run power or network cables. This means uninterrupted security and lower maintenance costs year-round.
2. Enhanced Security and Reliability
- Keyless Entry: Eliminates lost, copied, or stolen keys as a security risk.
- Thousands of Possible Codes: Most models allow thousands of code combinations, reducing the risk of unauthorized access.
- Robust Construction: Designed with heavy-duty materials for high-traffic, indoor, and outdoor settings.
- Tamper Resistant: Solid metal pushbuttons and housings provide strong physical barriers.
3. Fast and Flexible Code Management
- Easy Code Changes: Codes can be changed at the keypad in minutes—no removal from the door is necessary for most models.
- Single-User Codes: Most Simplex locks use a single access code, ideal for small teams or single-user access.
- Optional Passage Mode: Many variants allow temporary free access without code entry, handy during office hours.
4. Versatility in Applications
- Wide Model Selection: Cylinder, mortise, auxiliary latch, deadbolt, cabinet, and exit trim locks.
- Weather Resistant Options: For exterior gates, doors, and facilities exposed to the elements.
5. Compliance and Standards
- Grade 1 & 2 BHMA/ANSI Certified: Meets or exceeds industry standards for strength and durability.
- ADA-Compliant Lever Models: Many lever-handle models meet Americans with Disabilities Act requirements.
How to Choose the Right Simplex Lock
1. Identify Your Application
- Door Type: Is the lock for a wood, metal, glass, or cabinet door?
- Traffic Level: High-traffic areas (schools, offices) demand higher grade, more durable models.
- Interior vs Exterior: Exterior use needs weather-resistant finishes and features.
2. Select the Locking Mechanism
- Cylindrical (Knob/Lever): Most common for doors.
- Deadbolt/Thumbturn: For offices, restrooms, or storerooms.
- Mortise: For higher security or compatibility with mortise doors.
- Auxiliary Latch/Rim Lock: Secondary security or narrow stile doors.
- Exit Trim: For pairing with panic bars or emergency exits.
- Cabinet/Door Drawer: For securing cabinets, lockers, and drawers.
3. Consider Key Features
- Key Override: Needed for emergency entry or master key systems.
- ADA Compliance: Lever handles are easiest for accessibility.
- Passage Mode: Handy for times when free entry is acceptable.
- Installation Ease: Most models offer straightforward installation, but mortise/exit trim types may require more expertise.
4. Choose the Correct Size & Finish
- Backset and Door Thickness: Confirm the lock fits your door’s dimensions.
- Finish: Common finishes include Satin Chrome, Brass, and Black to match décor or facility standards.
5. Match to Your Budget
- Basic Models: Around $120–$200—suitable for less demanding applications.
- Premium/Commercial: Around $400 and up—offers greater durability, extra features, and certifications.
Tips and Best Practices for Choosing and Using Simplex Locks
Quick Tips for Smart Selection
- Assess Daily Use: For high-use environments, prioritize Grade 1 models.
- Think Future: Opt for a model that allows at-the-door code changes if frequent updates are needed.
- Emergency Access: Choose a lock with key override if emergency unlocking is a concern.
- Outdoor Installations: Always select weather-resistant models and compatible finishes.
Best Practices for Use and Maintenance
- Code Management: Change your access code regularly and avoid easily guessed combinations (e.g., 1-2-3-4-5).
- Routine Inspection: Check for proper latch function and button response every few months.
- Professional Installation: Especially for mortise and exit trim units, consider professional fitting for optimum security.
- Educate Users: Train all authorized users on code entry and lock operation to minimize accidental lockouts.
Simplex Locks: Technical Specifications Comparison
| Model/Series | Lock Type | Access Method | Combination Range | Key Override | Passage Function | Installation | Door Thickness | ADA Compliant | Finish Options | Warranty |
|---|---|---|---|---|---|---|---|---|---|---|
| Simplex 1000 | Knob (Cylindrical) | PIN (5-digit) | 1000s of combinations | Optional | Optional | Surface mount | 1 3/8″–2 1/4″ | No | Chrome, Brass, Black | 3 yrs |
| L1000 | Lever (Cylindrical) | PIN (5-digit) | 1000s of combinations | Optional | Optional | Surface mount | 1 3/8″–2 1/4″ | Yes | Satin Chrome, others | 3 yrs |
| 5000 | Lever (Cylindrical) | PIN (5-digit) | 1000s of combinations | Yes | Optional | Surface mount | 1 3/8″–2 1/4″ | Yes | Multiple | 3 yrs |
| 7100 | Deadbolt/Spring Latch | PIN (5-digit) | 1000s of combinations | Optional | Limited | Surface mount | 1 3/8″–2 1/4″ | No | Satin Chrome, Brass | 1 yr |
| 900 | Deadbolt/Thumbturn | PIN (5-digit) | 1000s of combinations | Optional | Holdback (select) | Surface mount | 1 3/8″–2 1/4″ | No | Satin Chrome, Brass | 1 yr |
| 9600 | Cabinet | PIN (5-digit) | 1000s of combinations | No | No | Cabinet mount | N/A | N/A | Satin Chrome, Brass | 1 yr |
| EE1000 | Knob (Both sides) | PIN (5-digit) | 1000s of combinations | Optional | Optional | Surface mount | 1 3/8″–2 1/4″ | No | Chrome, Brass | 3 yrs |
| 8100 | Mortise | PIN (5-digit) | 1000s of combinations | Optional | Optional | Mortise | 1 3/8″–2 1/4″ | Yes | Multiple | 3 yrs |
Conclusion
Simplex locks remain a trusted solution for those seeking dependable, keyless security without the complications of electronics, wiring, or battery maintenance. Their robust mechanical design is ideal for commercial, institutional, and residential use. By carefully considering your application, door type, and desired features, you can select the simplex lock that best meets your security needs—delivering convenience, safety, and lasting value.
FAQ
What is a simplex lock?
A simplex lock is a fully mechanical pushbutton lock that allows entry via a preset numeric code. It offers keyless access and typically installs on doors or cabinets without wiring or batteries.
Are simplex locks secure?
Yes. With thousands of possible code combinations and strong metal construction, simplex locks are designed for high security. Selecting a non-obvious code and changing it periodically enhances security.
Do simplex locks need batteries or electricity?
No—they are 100% mechanical. This means there’s no risk of battery failure or power outages affecting entry.
Can I change the access code myself?
Yes. Most simplex locks allow you to change the code at the lock itself, without removing it from the door. Instructions are typically provided with the lock.
Are simplex locks weatherproof?
Many models are weather-resistant and suitable for exterior doors. It’s important to choose a finish and model rated for outdoor use for best durability.
What happens if I forget the code?
If you forget the code, you’ll need to follow the manufacturer’s procedure to reset or reprogram the lock. For models with key override, you can use the provided key for emergency entry.
Can simplex locks be used on glass or metal doors?
Yes. There are versions designed for narrow stiles (like commercial glass doors) and adapter kits for metal doors. Always check compatibility before purchase.
Are simplex locks ADA compliant?
Lever-handle models (such as the L1000 and 5000 Series) are generally ADA compliant, making them suitable for accessible entrances.
Is professional installation required?
Many simplex locks are designed for straightforward DIY installation, especially on standard doors. Mortise and exit trim models may require professional assistance.
Do simplex locks offer a passage (free entry) mode?
Yes. Many models offer an optional passage mode, allowing doors to remain unlocked temporarily. This can be engaged or disengaged as needed, typically from inside the door.