DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-14

DQ MARINE PRODUCT DATA

KJ-1 Auto Telephone Exchanger

Category
Marine Communication System
Origin
China
KJ-1 Auto Telephone Exchanger

Product Overview

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

Key Specifications

Category Marine Communication System
Model / SKU kj-1-auto-telephone-exchanger
Weight / Size 18/25/25KG
Origin China

Technical Information

KJ-1 Auto Telephone Exchanger Function

KJ-1/2/3 Type Auto Telephone Exchanger

Two-user call, three-user call, cut in/off, Conference call, Remote control broadcast.

Call shoreline, Call from shoreline, Max user lines: 24/48/256

Technical Parameter

Signal tone: 450±25Hz Sine wave

Ringing current voltage: 75±10v 25±3Hz

Transmission loss: ≤2dB

Crosstalk loss: ≥68dB

Subscriber feedback voltage: 24V

Color: Green gray (RAL 6034)

Main power: AC220V±10%

Emergency power: From DC24V+30%to DC24V-25%

Max power loss: 60/80/200W

IP Class: IP20

Weight: 18/25/25KG

Mounting Size

Model H W D
KJ-1 487 254 187
KJ-2 563 330 187
KJ-3(48-88) 623 382 226
KJ-3(>88) Standard Cabinet