GRI 4532-48 Closed Miniature Overhead Door Magnetic Contact 2 1/2" Gap with 48" Lead
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.
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Key Features
- Reliable perimeter monitoring for overhead doors, reducing false alarms and enhancing site security
- Durable cast-aluminum, hermetically sealed housing protects the reed switch in harsh, outdoor environments
- Flexible installation with universal magnet and 48in armored lead for long-reach and hard-to-access mounting
- Wide working gap (2.5" nominal, up to 3") offers tolerance for loose or misaligned overhead doors
- Plated contacts resist sticking or freezing, ensuring consistent performance for surveillance and access control systems
Quick Specifications
- Product Model
- 4532-48
- Brand Name
- George Risk Industries
- Product Series
- 4532
- Country of Origin
- US
Explore the details
Product information
4532-48
Overview
Built for dependable door monitoring on commercial and industrial sites, the George Risk Industries 4532-48 miniature overhead magnetic contact delivers rugged, low-profile protection where reliable intrusion detection matters. This GRI magnetic contact features a cast-aluminum, hermetically sealed housing and plated contacts to resist sticking, freezing and corrosion — ideal for harsh environments and exterior surveillance installations. The 4532-48 includes a 48in armored lead for vandal- and weather-resistant cabling and a universal magnet that allows flexible mounting angles for difficult overhead door frames. With a nominal 2.5" gap and a proven wide working range up to 3", it tolerates loose or misaligned doors while maintaining consistent circuit supervision. Easy to integrate with access control, alarm panels and monitoring systems, the 4532 series ships as a set and can be ordered separately when needed. Choose the GRI 4532-48 for durable, low-cost magnetic contact monitoring that minimizes maintenance and maximizes uptime—perfect for perimeter security, surveillance and industrial door monitoring. Add to your system for immediate enhanced intrusion detection.
Features
- Reliable perimeter monitoring for overhead doors, reducing false alarms and enhancing site security
- Durable cast-aluminum, hermetically sealed housing protects the reed switch in harsh, outdoor environments
- Flexible installation with universal magnet and 48in armored lead for long-reach and hard-to-access mounting
- Wide working gap (2.5" nominal, up to 3") offers tolerance for loose or misaligned overhead doors
- Plated contacts resist sticking or freezing, ensuring consistent performance for surveillance and access control systems
| General Information | |
|---|---|
| Brand Name | George Risk Industries |
| Product Series | 4532 |
| Country of Origin | US |
| Manufacturer Part Number | 4532-48 |
| Technical Information | |
| Armored | Yes |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 4532-48
- Manufacturer part:
- 4532-48
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 exclusionsGRI 4532-48 Closed Miniature Overhead Door Magnetic Contact 2 1/2" Gap with 48" Lead
4532-48