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Part No. (Minimum 3 characters)

Termination

(-) Remove lead wire filter lead wire

SPL @ 30cm dB

0–10 (0) Apply 0–10 filter
(-) Remove 80–90 filter 80–90
90–100 (1) Apply 90–100 filter

Driven

internal driven (3) Apply internal driven filter

Type

piezo (3) Apply piezo filter

Width mm

0–10 (0) Apply 0–10 filter
(-) Remove 30–40 filter 30–40

Height mm

Freq Rated kHz

3–4 (3) Apply 3–4 filter

Voltage (Rated) V

Alerts/Alarms/Indicators

Part #	SPL @ 30cm	Rated Freq	Rated V	Width	View
EFM-471L	90dB	3.9kHz	12.0V	32mm
EFM-471ML	87dB	3.9kHz	12.0V	32mm
EFM-810	88dB	3.5kHz	12.0V	34mm

Ⓒ East Electronics Corp. 48273 Lakeview Blvd., Fremont, CA, USA.