DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

SG-4B Buzzer(Square)

Category
Marine General Alarm System
Origin
China
SG-4B Buzzer(Square)

Product Overview

DQ Marine supplies marine equipment and technical products for shipyards, vessel operators, offshore projects and industrial buyers worldwide.

Key Specifications

Category Marine General Alarm System
Model / SKU sg-4b-buzzer-square
Material ABS
Origin China

Technical Information

China SG-4B Buzzer(Square):

SG-4B Buzzer(Square)

1)Chapter 2 of Part 4 of the"Steel Ship Classification Rules" of the China Classification Society:
2)Chapter, of MSC.48(66) international life-saving appliance code(LSA),and its amendment MSC.218(82);
3)IMO resolution A.1021 (26) code on alerts and indicators,2009.

Colour: Red

Shell material: ABS

Power supply: AC220V±10% DC24V±10%

IP rating: IP20

Output power: 3-5W

Sound pressure level: 85~95dB