DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-23

DQ MARINE PRODUCT DATA

SGK-7 Relay Box

Category
Marine General Alarm System
Origin
China
SGK-7 Relay Box

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 sgk-7-relay-box
Weight / Size 18.5kg/14kg
Origin China

Technical Information

SGK-7 Relay Box Function

Relay box is applied to detection of various alarm signals such as general emergency alarm, telegraph signal, telephone call, mail engine fault, CO2 release alarm, fire alarm, personnel alarm and water mist alarm.

Technical Parameter

SGK-7 Power supply:

Main power: AC 220V

Emergency power: DC 24V

SGK-7A Power supply:

Main power: AC 220V

Emergency power: DC 24V

Output power: SGK-7 350W

Passive contact load (resistance): 5A/240V AC 5A/28V DC

Input signal detection mode: Passive normally open contact.

It will active alarm when contact is closed.

Color: Sea gray (RAL 7035)

IP Class: IP 44

Weight: 18.5kg/14kg

Stuffing box cable entrance hole size: 4-Ф18mm, 8-Ф14mm.

SGK-7 Mounting Size