ABB SS822Z Power Voting Unit Module for Redundant 24V DC Power Systems
ABB SS822Z Power Voting Unit Module for Redundant 24V DC Power Systems
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Brand:ABB PLC Item No.:ABB SS822Z Product Origin:Sweden Product Dimensions:110 × 50 × 125 mm Product Weight:0.68 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The ABB SS822Z Power Voting Unit Module is a reliable redundancy management module designed for ABB industrial control systems, particularly within the S800 I/O and System 800xA automation platforms. It ensures continuous power availability by combining two independent 24V DC power inputs into a single stabilized output.
This power voting unit is commonly used in mission-critical automation systems where uninterrupted operation is essential. By monitoring both input sources and automatically selecting the healthiest supply, the SS822Z maintains system stability even if one power supply fails.
Its DIN-rail mounting design allows quick installation inside industrial control cabinets, making it a practical choice for engineers building redundant power architectures. When paired with compatible ABB power supply modules such as SD822Z, it provides a secure and efficient power distribution solution for advanced automation infrastructures.
Technical Specifications
Parameter
Specification
Model
SS822Z
Manufacturer
ABB
Product ID
3BSC610055R1
Module Type
Power Voting Unit
Input Voltage
Dual 24 V DC
Maximum Input Current
10 A per input
Output Voltage
24 V DC
Maximum Output Current
20 A
Overload Capacity
Up to 35 A (short duration)
Heat Dissipation
10 W at 20 A
Protection Rating
IP20
Mounting Method
DIN Rail
Compatible Power Supply
SD822Z
Operating Temperature
Up to 60°C
Dimensions (L × W × H)
110 × 50 × 125 mm
Weight
0.68 kg
The SS822Z is designed to supervise dual power inputs and automatically maintain a stable 24V DC output for connected control equipment.
Recommended Related Models
Model
Description
SD822Z
24V DC Power Supply Module
SS832
Power Voting Unit for Redundant Supply
SS823
High-capacity Voting Power Module
SD831
Industrial Power Supply Module
SD833
High Output Power Supply Module
These modules are frequently deployed together in ABB distributed control and automation systems to provide reliable power redundancy.
Popular ABB Models
Model
Module Type
PM590-ETH
PLC CPU Controller
CI840A
Communication Interface Module
AI830A
Analog Input Module
SB822
Redundant Power Supply Module
PP865A
Operator Panel
These ABB modules are widely used across industrial automation platforms and large-scale control architectures.
Applications
The ABB SS822Z Power Voting Unit is commonly installed in industrial automation environments that require highly reliable power distribution.
Typical applications include:
ABB System 800xA distributed control systems
S800 I/O automation platforms
Power generation and energy management systems
Process industry automation
Water treatment plants
Oil and gas production facilities
Industrial manufacturing control cabinets
By enabling redundant power supply configurations, the SS822Z helps prevent system downtime and improves operational safety.
Advantages
Redundant Power Protection
Combines two independent 24V DC sources to ensure uninterrupted system power.
Automatic Power Supervision
Continuously monitors both input supplies and automatically selects the active source.
High Current Capability
Supports up to 20A output with temporary overload capability up to 35A.
Reliable Industrial Design
Engineered for long-term operation in harsh industrial environments.
Compact DIN-Rail Installation
Space-saving design allows easy integration into standard control panels.
Improved System Reliability
Enhances the stability of automation systems by eliminating single-point power failures.
Technical FAQs
1. What is the ABB SS822Z module used for?
It is a power voting unit used to combine two redundant 24V DC power sources into a single reliable output.
2. Which systems commonly use the SS822Z?
It is widely used in ABB System 800xA and S800 I/O automation platforms.
3. What is the maximum output current?
The module provides a maximum output current of 20 A.
4. What input voltage does the module require?
It operates with dual 24V DC power inputs.
5. Can the module handle overload conditions?
Yes, it can tolerate short-term overloads up to approximately 35 A.
6. What is the purpose of a power voting unit?
It ensures redundancy by selecting the most reliable power source and preventing power interruptions.
7. Is the module easy to install?
Yes, it uses DIN-rail mounting, which is standard in industrial control cabinets.
8. What is the operating temperature range?
It can operate in environments up to about 60°C.
9. What power supply module is typically used with it?
It is commonly paired with the SD822Z power supply module.
10. What is the weight of the SS822Z module?
The module weighs approximately 0.68 kg.
