# General
Product type: Panel and surface-mount piezo buzzers, also with light
Brand: Auer Signal (Austria)
Series: M22/M28 Series
Models: ESG, ESK, ESM, ESV, ESD, ESP, ESZ, BU1, BU2, BU3, EDG, EDM, ELG, ELM
Rated voltage: 110-120 V AC · 230 V AC · 12-24 V AC/DC · 110-120 V DC · 230-240 V AC · 24 V AC/DC · 48 V AC/DC · 12 V DC · 24 V DC · 12 V AC/DC · 220 V AC
Use: safe area (non-Ex)
# Technical data
Connection technology: plug-in screw terminal up to 2,5 mm² (ESG, ESK, ESM, ESV) · Flat connector (ESD, ESP, BU2) · Flat connector or terminal (ESZ) · Connector with screw (BU3) · …
Operating temperature: -25 °C / +60 °C (ESG, ESK, ESM, ESV, EDG, EDM, ELG, ELM) · -20 °C / +60 °C (ESD, ESP, ESZ) · -20 °C / +70 °C (BU1, BU2, BU3)
Panel size: 22 mm (M22) and 30.5 mm (with adapter) (ESG, ESK, ESM, ESV, EDG, EDM, ELG, ELM) · 28 mm (M28) (ESD, ESP, ESZ, BU2, BU3)
Duty cycle: 100 %
Housing: Ø 65 mm Polycarbonate, UV stabilized black (RAL 9005) or grey (RAL 7035) (ESG) · Ø 30 mm Polycarbonate, UV stabilized black (RAL 9005) or grey (RAL 7035) (ESK, ESV) · Ø 45 mm Polycarbonate, UV stabilized black (RAL 9005) or grey (RAL 7035) (ESM) · ABS grey or black (ESD, ESZ) · …
Volume: 85-105 dB (can be adjusted with potentiometer) (ESG) · 65 dB (ESK) · 85-100 dB (can be adjusted with potentiometer) (ESM) · 85 dB (ESV) · …
Leakage current: 0,003 A (ESG, ESK, ESM, ESV)
Type of mounting: any (ESG, ESK, ESM, ESV, ESD, ESP, ESZ, EDG, EDM, ELG, ELM) · horizontal, vertical or any (BU1)
Product standard: EN61000-3-2:2006 (ESG, EDG, ELG) · EN61000-6-2:2005 (ESK, ESM, ESV) · EN61000-3-2:2006 + A2:2009 (EDM, ELM)
Impact resistance: IK07 (ESG, ESK, ESM, ESV)
Degree of protection: IP65 & UL Type 4/4x/13 (ESG, ESK, ESM, ESV) · IP68 for 24 V model when panel mounted & IP30 (230-240 V models) (ESD, ESZ) · IP68 for 24 V model when panel mounted (ESP) · IP66 (BU1) · …
Tone: 3 Tones, 3 Tones can be switched externally, Steady tone, Pulsing tone or Alternating (ESG) · 2 Tones, 2 Tones can be switched externally, Steady tone or Pulsing tone (ESK, ESM, ESV, ESZ, ELM) · Steady tone (ESD) · Pulsing tone (ESP, BU1, BU2, BU3) · …
Tone frequency: 3.300 Hz (ESG, ESM) · 3.500 Hz (ESK, ESV, EDM, ELM) · 2.400 Hz (ESD, ESP, ESZ) · 2.200-2.400 Hz (BU1) · …
Weight: 65 g (ESG, EDM, ELM) · 30 g (ESK, ESV) · 35 g (ESM, BU2, BU3) · 55 g (ESD, ESP, ESZ) · …
Cable entry: pre-wired (2.25 m cable) (BU1)
Lens: Polycarbonate, ribbed inside (EDG, EDM, ELG, ELM)
Service life: Light source: 100.000 h (EDG, EDM, ELG, ELM)
Beacon type: LED steady beacon (EDG, EDM) · LED steady beacon or LED flashing beacon (ELG, ELM)
Strobe/flash frequency: 2 Hz (ELG, ELM)
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