Honeywell 0574-A-0121 0574-A-0131 Extended relay module
Specific Parameters
Brand Honeywell
Product Series HC900 Hybrid Controller Expansion Module Series
Product Type Industrial-grade Expansion Relay Module
Models 0574-A-0121, 0574-A-0131
0574-A-0121 Relay Configuration 4-channel Single Pole Double Throw (SPDT)
0574-A-0131 Relay Configuration 4-channel Single Pole Single Throw (SPST)
Input Signal Type 0-10V DC, 4-20mA DC
Output Signal Type Relay Contact Signal
Maximum Load Current per Relay 10A
Relay Contact Rated Voltage 250V AC/30V DC
Operating Voltage DC 24V ±10%
Operating Temperature Range -40℃ – 85℃
Storage Temperature Range -40℃ – 85℃
Relative Humidity 5% – 95% Non-condensing
Protection Level IP67
Communication Interfaces RS-485, Ethernet Interface
Supported Communication Protocols Modbus, Profibus
Dimensions 144mm×144mm×80mm (L×W×H)
Weight Approximately 0.5kg
Power Consumption Typical 6W, Maximum 10W
Certification CE, UL, IEC 61010
Insulation Resistance ≥100MΩ (500VDC)
Response Time ≤10ms
Product Performance
Adopts industrial-grade high-quality components and undergoes rigorous quality control testing to ensure continuous and stable operation in harsh industrial environments
Supports multiple relay configuration options, adapting to the driving needs of different load types with strong versatility
Equipped with complete signal isolation function, effectively blocking on-site electromagnetic interference and ensuring signal transmission accuracy and system stability
Compatible with multiple mainstream industrial communication protocols and interfaces, enabling seamless integration with Honeywell HC900 and other control systems
Equipped with real-time monitoring and alarm functions, which can real-time monitor module operation status and load working conditions, and quickly trigger alarms in case of abnormalities
Wide operating temperature range of -40℃-85℃, adapting to high and low temperature extreme industrial scenarios with strong environmental adaptability
IP67 high protection level, completely dust-proof and can be briefly immersed in 1-meter deep water, adapting to dusty and high-humidity on-site environments
Modular design, convenient installation and commissioning, supporting online hot swapping, and can be quickly replaced in case of failure, shortening downtime
Provides dedicated configuration software and user-friendly interface, facilitating parameter setting, programming and operation status monitoring
Each relay supports 10A large load current, which can directly drive small and medium-sized industrial actuators without additional amplifier circuits














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