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The TANE ALARM sd-70wh is a recessed door contact and magnet set designed for security alarm installations in steel door applications. The stubby-style form factor measures 3/8 inches in bore depth and 3/4 inches in diameter, allowing it to fit into tight door-frame preparations without protruding hardware. With a rated gap of 1.5 inches between the contact and magnet, this unit accommodates standard door frame clearances found in residential and light commercial installations. Each pack contains 10 contact and magnet sets, making it a practical choice for multi-door jobs. The white finish blends with common door and frame colors. Licensed alarm installation technicians are the primary installers of this component.
The sd-70wh is suited for recessed installations in steel doors where a low-profile, concealed contact is required. The stubby-style body is used when door or frame thickness limits the available bore depth compared to full-length recessed contacts. It is commonly deployed in residential entry doors, commercial hollow metal frames, and interior security zones. The 10-pack quantity supports service calls, new construction rough-ins, and panel upgrade projects where multiple door contacts are needed at once.
Designed as an OEM-style recessed door contact for steel door alarm installations requiring a 3/4 inch diameter stubby-style sensor with a 1.5 inch gap rating.
Installation is typically performed by licensed alarm or low-voltage technicians following local electrical codes and security industry standards. Disable power to the alarm panel zone before wiring the contact leads to avoid false triggers or zone faults. Use the appropriate spade bit or hole saw sized to the 3/4 inch contact body diameter when preparing the door and frame bore. Ensure the contact and magnet are aligned within the rated 1.5 inch gap tolerance to guarantee reliable zone activation.
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