Wall-mounted alarm annunciator KNRAP1

acousto-opticremote

Overview
The KNTECH KNRAP1 is an industrial remote alarm indicator panel for government and enterprise PABX systems. It complies with Hong Kong and international telecommunication standards and provides immediate visual and audible alerts for Major and Minor alarm conditions, enabling rapid operator response and sustained system availability. The front is a SUS304 brushed stainless steel faceplate with vandal-resistant controls for continuous operation in Building Management Offices, Security Control Rooms and Data Centers.

Basic Product Information
Model: KNRAP1
Size: 86 mm (H) x 86 mm (W) x 30 mm (D)
Faceplate material: SUS304 brushed stainless steel, 1.2 mm thick
Mounting: Standard BS 86 mm x 86 mm back box compatible

Key Features

• SUS304 brushed stainless steel faceplate, corrosion- and wear-resistant finish.
• Fits standard BS 86×86 mm back boxes for flush wall mounting.
• Dual visual indicators: high-brightness Green and Red LEDs for Normal and Alarm states.
• Audible alert: piezo buzzer >75 dB for audible notification of faults.
• Integrated MCU/relay logic with Alarm Mute: silences buzzer while keeping Red LED lit until fault clearance.
• Vandal-resistant metal buttons for System Test and Audio Mute operations.

Operation Logic

• Normal State: Green LED ON, Red LED OFF, Buzzer OFF.
• Alarm State: On PABX dry contact closure, Green LED OFF, Red LED ON (steady or flashing), buzzer sounds continuously or intermittently.
• Mute Action: Press MUTE — buzzer silenced (acknowledged) while Red LED remains ON until fault is cleared.
• Recovery: When fault clears, system auto-resets to Normal State (Green LED ON, Red LED OFF, Buzzer OFF).

Visual Indicator Logic Table
The product includes a visual indicator logic table showing LED and buzzer states for Normal, Alarm, Muted and Recovery conditions (see product diagrams for detailed mappings).

Applications
Intended for mission-critical telecommunication and control-room environments requiring continuous monitoring and rapid fault notification: building management, security control rooms and data centers.

Technical Specifications

• Model: KNRAP1
• Faceplate: SUS304 brushed stainless steel, 1.2 mm
• Dimensions: 86 mm (H) x 86 mm (W) x 30 mm (D)
• Mounting: Compatible with BS 86×86 mm back box
• Indicators: High-brightness Green and Red LEDs
• Audio: Piezo buzzer >75 dB
• Logic: Integrated MCU/relay logic with Alarm Mute function
• Controls: Vandal-resistant metal buttons for System Test and Audio Mute
• Compliance: Conforms to Hong Kong and applicable international telecommunication standards
• Typical environments: Building Management Offices, Security Control Rooms, Data Centers