- 23 x 17 mm housing, 20-28 VDC self-drive indicator.
 - 400 Hz continuous tone is easily heard by those with hearing loss.
 - Durable ABS enclosure with integrated mounting tabs.
 - 120 mm 26 AWG UL1007 lead wires.
 
                    Unit of Measure
                    
               
        
                        
            
            Specifications
                                                                                Manufacturer Stock | 
                                                                        N/A {0} | 
                                                                                Brands | 
                                                                        N/A PUI Audio™ | 
                                                                                Manufacturer | 
                                                                        N/A PUI Audio�, Inc. | 
                                                                                Direct Current (DC) Rated Voltage | 
                                                                        N/A 24 V | 
                                                                                Direct Current (DC) Operating Voltage Range | 
                                                                        N/A 20 ~ 28 V | 
                                                                                Maximum Rated Current | 
                                                                        N/A 24 mA | 
                                                                                Minimum Sound Pressure Level (SPL) at 10 Centimeter (cm) | 
                                                                        N/A 86 dBA | 
                                                                                Resonant Frequency | 
                                                                        N/A 400 Hz | 
                                                                                Resonant Frequency Tolerance (±) | 
                                                                        N/A 50 Hz | 
                                                                                Tone | 
                                                                        N/A Continuous | 
                                                                                Operating Temperature | 
                                                                        N/A -20 ~ +60 ºC | 
                                                                                Storage Temperature | 
                                                                        N/A -30 ~ +70 ºC | 
                                                                                Housing Material | 
                                                                        N/A Acrylonitrile Butadiene Styrene (ABS) | 
                                                                                Terminal Material | 
                                                                        N/A Lead Wires | 
                                                                                Length | 
                                                                        N/A 23 mm | 
                                                                                Height | 
                                                                        N/A 17 mm | 
                                                                                Wire Size | 
                                                                        N/A 120 mm26 AWG | 
                                                                                Tolerance (±) | 
                                                                        N/A 0.5 mm | 
                                                                                Angle Tolerance (±) | 
                                                                        N/A 3 º | 
                                                                                Weight | 
                                                                        N/A 10 g | 
                                                                                Industry Standards | 
                                                                        N/A Restriction of Hazardous Substances (RoHS) 2002/95/EC | 
Mechanical and Environment Testing
                                                                                High Temperature Test | 
                                                                        N/A 70 ºC (±2 ºC) with random humidity for 96 hours | 
                                                                                Low Temperature Test | 
                                                                        N/A -30 ºC (±2 ºC) with random humidity for 96 hours | 
                                                                                Humidity Test | 
                                                                        N/A 40 ºC (±2 ºC) with 90% to 95% relative humidity for 96 hours | 
                                                                                Vibration Test | 
                                                                        N/A 0.75 mm movement modulated at 10-55 Hz for 3 hours | 
                                                                                Drop Test | 
                                                                        N/A 100 cm free fall onto wood board, 10 cycles | 
                                                                                Temperature Cycle Test | 
                                                                        N/A -20 ºC to 70 ºC, 100 cycles | 
                                                                                Note for Mechanical and Environment Testing | 
                                                                        N/A After tests, part shall rest for 2 hours. Parts are then tested for clean, pure tones. | 
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