The Resideo 947-75TBR steel door contact with terminal represents a critical component in comprehensive fire alarm and security monitoring systems for commercial and institutional facilities. Designed for robust perimeter protection, this magnetic reed switch provides reliable door state detection across diverse architectural environments, from healthcare facilities and educational campuses to high-rise office complexes and industrial control centers.
Engineered for precision monitoring, the 947-75TBR facilitates real-time tracking of door positions within integrated fire alarm and access control networks. Its steel construction ensures durability under demanding installation conditions, while the integrated terminal block supports straightforward electrical connection to addressable and conventional fire alarm control panels.
Key Features
- Rugged steel enclosure with corrosion-resistant finish for long-term performance in challenging environments
- Compact design compatible with multiple mounting configurations, including surface and recessed installations
- Low-resistance magnetic reed switch provides consistent, reliable state detection
- Terminal block connection supports simplified wiring integration with fire alarm and security systems
- Compliant with NFPA 72 National Fire Alarm and Signaling Code installation requirements
- UL Listed for fire alarm and security system applications
Specifications
- Operating Voltage: 24VDC nominal
- Contact Rating: 0.5A @ 30VDC
- Gap Distance: Typically 1/2″ maximum
- Operating Temperature: 32°F to 120°F (0°C to 49°C)
- Dimensions: Approximately 2.25″ x 1″ x 0.5″
Ideal for integration with commercial fire alarm systems utilizing Honeywell, Edwards, Silent Knight, and other major panel manufacturers’ equipment. Recommended for applications requiring precise perimeter monitoring in emergency notification and life safety infrastructure.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.5 lbs |
|---|---|
| Dimensions | 5 × 3 × 1 in |
| Condition | New |
| Manufacturers | Resideo |
| Part Type | Replacement Part |






