🧰 Technical specifications
• Model: ACM-208B
• Type: Metal Standalone Access Controller
• Card technology: 125 kHz EM-ID Card
• Access modes: Card, PIN Code, Card + PIN
• User capacity: 2,000 cards
• Password type: 4-digit PIN code
• Reading distance: 3–6 cm
• Communication: Wiegand 26 input/output
• Doorbell button: 1
• Alarm input: 1
• Unlock relay: 12 VDC / 2 A
• Electric lock output: Max. 3 A
• Alarm output: Max. 20 A
• Short-circuit protection: Max. 0.1 ms
• Open door output: 1
• Power supply: 12 VDC ±10%
• Operating temperature: -45°C to +60°C
• Operating humidity: 10%–90% RH
• Housing: Metal enclosure
• Installation: Surface mount
• Suitable for single-door access control systems
• Can operate as standalone controller or Wiegand reader
• Waterproof IP68.
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