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Description
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.
SD821 ABB
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
SD821 ABB
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
