KSh 1,720(KSh 1,995 Incl VAT)
Device Type: Emergency Break Glass Button (Emergency Door Release / Exit Button for Access Control)
Model / SKU: ASF921 / DHI-ASF921
Brand: Dahua
Contact Type: Selectable NO/NC/COM (Normally Open / Normally Closed / Common) – supports both modes for flexible integration with various access control systems
Contact Rating: 3A / 36V DC maximum switching capacity
Power Supply: DC 12V (operating voltage)
Control Technology: Photoelectric control technology — prevents mechanical failure for reliable, consistent operation
Durability: Tested for 500,000+ operations (fatigue test)
Material: Fire-retardant plastic (ABS)
Glass Dimensions: 76 × 40 mm
Overall Dimensions: 86 × 86 × 50 mm (W×H×D)
Weight: 0.2 kg (200 g)
Operating Temperature: -20°C to +55°C
Working Humidity: ≤95% RH (non-condensing)
Mounting Type: Surface-mount (compatible with standard 86 × 86 mm back box)
Key Features: Photoelectric Control Technology (Prevents Mechanical Failure, Ensures Reliable Operation); Ultra-Low Temperature Design (Safer and More Durable); Ultra-Low Power Consumption Design (More Durable and Eco-Friendly); Built-in Reverse Current Protection Circuit; Microprocessor Chip Control Circuit; Fire-Retardant Material for Enhanced Safety; 500,000+ Operations Fatigue Tested; Dual Contact Modes (NO/NC) for Flexible Integration; Spring Return Without Locking; Access Control Project Designated Accessory
Key Specs: Dahua ASF921 Emergency Break Glass Button, NO/NC/COM Selectable Contacts, 3A/36V DC Contact Rating, Photoelectric Control Technology, 500,000+ Operations Durability, Fire-Retardant ABS Material, 86×86×50mm, 0.2kg, -20°C to +55°C Operating Temperature, ≤95% RH Humidity, Surface Mount (86×86 Box Compatible), Built-in Reverse Current Protection, Microprocessor Chip Control
Usage: Emergency Door Release in Access Control Systems, Fire Escape Doors, Emergency Exits, Server Rooms, Data Centres, Commercial Buildings, and Any Facility Requiring a Reliable Manual Emergency Override for Electronic Door Locks