Honeywell Home 940WH Mini Surface Mount Magnetic Contact, 3/4" Gap, White
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
Image of 2
Key Features
- Discreet surface-mount design hides screws and terminals for a clean, tamper-resistant installation
- Reliable door/window protection with a 3/4" (19 mm) gap and Form A (SPST) reed switch
- Compact, low-profile housing blends into frames for residential and commercial security
- Includes spacers and mounting screws for fast, accurate installation
- Rugged performance down to -40°F and backed by a 2-year limited warranty
Quick Specifications
- Product Model
- 940
- Brand Name
- Honeywell Home
- Product Name
- 940 Magnetic Contact
- Product Type
- Magnetic Contact
Explore the details
Product information
940WH
Overview
Secure entry points with confidence using the Honeywell Home 940WH mini surface mount magnetic contact. Designed for reliable monitoring of doors and windows, this compact magnetic contact provides discreet perimeter protection for homes, offices and retail environments. The 940WH uses a Form A (SPST) reed switch with a 3/4" (19 mm) standard gap and a 100 mA contact rating at 28 VDC, delivering consistent, wired sensor performance for alarm systems and surveillance integrations.
The low-profile white housing conceals mounting screws and terminals for a professional appearance and added tamper resistance, while included spacers and mounting hardware simplify installation. Engineered to operate in extreme conditions down to -40°F, the 940WH is ideal for both interior and exposed locations. Use it as a primary door/window sensor or as part of a layered security and monitoring strategy in building access control.
Add the Honeywell Home 940WH to your security toolkit for dependable, unobtrusive perimeter sensing — perfect for installers and integrators looking for fast installs and long-term reliability. Order now to upgrade your alarm system coverage.
Features
- Discreet surface-mount design hides screws and terminals for a clean, tamper-resistant installation
- Reliable door/window protection with a 3/4" (19 mm) gap and Form A (SPST) reed switch
- Compact, low-profile housing blends into frames for residential and commercial security
- Includes spacers and mounting screws for fast, accurate installation
- Rugged performance down to -40°F and backed by a 2-year limited warranty
| General Information | |
|---|---|
| Brand Name | Honeywell Home |
| Manufacturer | Resideo |
| Product Name | 940 Magnetic Contact |
| Product Type | Magnetic Contact |
| Product Model | 940 |
| Manufacturer Part Number | 940WH |
| Technical Information | |
| Standard Gap | 0.75" |
| Application/Usage | Security System Sensors |
| Connectivity Technology | Wired |
| Environmental Conditions | |
| Minimum Operating Temperature | -40°F |
| Physical Characteristics | |
| Color | White |
| Width | 0.52" |
| Height | 0.47" |
| Power Description | |
| Power Source | DC |
| Product Information | |
| Length | 1.52" |
| Mount Type | Surface Mount |
| Switch Type | Reed Switch |
| Contact Type | SPST |
| Warranty | |
| Limited Warranty | 2-Year |
| Miscellaneous | |
| Country of Origin | MX |
No matching specifications
Try a different term, such as a connector type or resolution.
Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 940WH
- Manufacturer part:
- 940WH
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsHoneywell Home 940WH Mini Surface Mount Magnetic Contact, 3/4" Gap, White
940WH