SD821 ABB Power Supply Switch

Product Description

SD821 is a power equipment switching device produced by ABB,used to switch between two power sources.It can be used to ensure continuous power supply for critical equipment,even if one of the power sources fails.

This device has the following characteristics:

Quick switching:SD821 can complete power switching within 20,ensuring continuous power supply for critical equipment.

High reliability:SD821 adopts a design that ensures normal operation even if one component fails.

Easy to use:SD821 has simple operation and complex settings.

Product parameters

Model:SD821

Input voltage:24VDC or 48VDC

Output voltage:24 VDC or 48 VDC

Output current:maximum 20A

Switching time:≤20 milliseconds

Working temperature:-20°C to 60°C

Storage temperature:-40°C to 85°C

Humidity:5%to 95%(non condensing)

Protection level:IP67

Size:110mm x 70mm x 35mm

Weight:0.5 kilograms

Product specifications

Isolation voltage:250V effective value

Rated value of solid-state relay:2A 24VDC

Reverse current protection:maximum 1.5A

Output overvoltage protection:maximum 30 VDC

Output short-circuit protection:electronic current limiting

Series

SD821 belongs to the SD800 series power equipment switching device.This series of devices has the following characteristics:

Quick switching

High coefficient

Easy to use

Features

SD821 has the following features:

Quick switching:can complete power switching within 20 milliseconds

High efficiency:adopting creative design

Easy to use:simple to operate and complex to set up

Function

The function of SD821 is to switch between two power sources to ensure continuous power supply for critical equipment.

Purpose

SD821 can be used for various industrial automation applications,including:

Process control

Discrete manufacturing

Building automation

Power system

Application field

SD821 can assess the following areas:

Oil and natural gas

Chemicals

Pharmaceutical

Food and Beverages

Water treatment