GRI 29B-B 29 Series Surface Mount Magnetic Reed Switch Set, 1' Standard Gap, Open Loop, N/C, B, Brown
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.
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Key Features
- Reliable intrusion detection: hermetically sealed N.C. reed switch minimizes false alarms and ensures consistent security monitoring.
- Easy surface-mount installation: compact brown housing and side screw terminals speed deployment on doors and frames for commercial sites.
- Robust gap tolerance: 1" standard gap (meets common steel mounting needs) for dependable contact alignment in access control setups.
- Low-maintenance durability: plated contacts resist sticking/freezing and the unit is backed by a lifetime warranty for long-term protection.
- System-ready wiring: open-loop design and wired connectivity integrate smoothly with alarm panels, surveillance systems and monitoring networks.
Quick Specifications
- Product Model
- 29B
- Brand Name
- George Risk Industries
- Product Name
- 29B Magnetic Contact
- Product Type
- Magnetic Contact
Frequently Bought Together
GRI 29B-B 29 Series Surface Mount Magnetic Reed Switch Set, 1' Standard Gap, Open Loop, N/C, B, Brown
$7.03
8 items selected
Total: $48.67
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Product information
29B-B
Overview
Designed for dependable perimeter protection, the George Risk Industries GRI 29B-B surface mount magnetic contact delivers consistent, low-maintenance security for commercial and light industrial doors and windows. This N.C. (normally closed) magnetic reed switch is hermetically sealed and built to resist sticking or freezing, reducing nuisance alarms and downtime for your surveillance and monitoring systems. The 29 Series offers a standard 1" gap (with proven performance on steel surfaces), side-mounted screw terminals for straightforward wiring, and an open-loop configuration that easily integrates with alarm panels, access control and central monitoring stations. Compact brown housing and included spacers and screws simplify retrofit and new installations, while plated contacts and a lifetime warranty provide long service life and confidence in high-traffic environments. Ideal for intrusion detection, access control points, and perimeter security upgrades—add the GRI 29B-B to your security specification to improve reliability and simplify maintenance. Contact sales or add to cart to secure consistent monitoring performance.
Features
- Reliable intrusion detection: hermetically sealed N.C. reed switch minimizes false alarms and ensures consistent security monitoring.
- Easy surface-mount installation: compact brown housing and side screw terminals speed deployment on doors and frames for commercial sites.
- Robust gap tolerance: 1" standard gap (meets common steel mounting needs) for dependable contact alignment in access control setups.
- Low-maintenance durability: plated contacts resist sticking/freezing and the unit is backed by a lifetime warranty for long-term protection.
- System-ready wiring: open-loop design and wired connectivity integrate smoothly with alarm panels, surveillance systems and monitoring networks.
| General Information | |
|---|---|
| Brand Name | George Risk Industries |
| Manufacturer | George Risk Industries |
| Product Name | 29B Magnetic Contact |
| Product Type | Magnetic Contact |
| Product Model | 29B |
| Product Series | 29 |
| Manufacturer Part Number | 29B-B |
| Technical Information | |
| Material | Steel |
| Standard Gap | 1" |
| Connectivity Technology | Wired |
| Physical Characteristics | |
| Color | Brown |
| Power Description | |
| Power Source | DC |
| Product Information | |
| Mount Type | Surface Mount |
| Contact Type | N.C. |
| Installation Type | Commercial |
| Warranty | |
| Limited Warranty | Lifetime Warranty |
| Miscellaneous | |
| Features | 24" jacketed cable on PA Series, Concealed terminals on 28 Series, Extra wide gap up to 2", 1" on steel, Hermetically sealed, Lifetime warranty against workmanship, material and factory defects, Longer leads upon request on PA series, Open loop, Plated contacts resist sticking or freezing, Screw down flanges, Side mounted screw terminals on 29 series, Side screw terminals, Spacers, covers and screws Included, Standard gap up to 1", 5/8" on steel, Surface mount magnetic contacts, This versatile series sets the Industry Standard for Commercial and Light Industrial applications, UL and ULC Approved, Wide gap up to 1 1/2", 3/4" on steel |
| Country of Origin | US |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 29B-B
- Manufacturer part:
- 29B-B
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 29B-B 29 Series Surface Mount Magnetic Reed Switch Set, 1' Standard Gap, Open Loop, N/C, B, Brown
29B-B