Mallory Sonalert SC648DR 压电常数，10-48V直流，1900赫兹，CUL认证

Tone: Continuous

Diameter: 43 mm

Frequency: 1.9 kHz

Dimensions: 43 mm x 33 mm

Unit Weight: 45 g

Current Rating: 23 mA

Mounting Style: Panel Mount

Voltage Rating: 48 VDC

Termination Style: Screw

Sound Pressure Level: 80 dBA