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                    • A-B 440C-CR30-22BBB Guardmaster Configurable Safety Relay

                      The Allen-Bradley Guardmaster 440C-CR30-22BBB is a software-configurable safety relay designed to monitor machine safety devices and control safety-related functions. It supports up to 24 safety monitoring functions and is configured using Connected Components Workbench (CCW) software.

                      

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                      Key Technical Specifications

                      Parameter	Specification
                      Brand	Allen-Bradley (A-B)
                      Model	440C-CR30-22BBB
                      Product Type	Configurable Safety Relay
                      Product Family	Guardmaster 440C-CR30
                      Power Supply	24 V DC
                      Embedded Safety I/O	22
                      Safety Monitoring Functions	Up to 24
                      Safety Rating	Up to PLe, SIL 3
                      Communication	Modbus
                      Programming Interface	USB
                      Serial Interface	Non-isolated RS-232
                      Expansion Slots	2 plug-in module slots
                      Outputs	Up to 10 safety-related semiconductor outputs
                      Maximum Aggregate Output Current	3 A
                      Continuous Output Current	0.5 A at terminals 12–19
                      Protection Rating	IP20
                      Mounting	DIN rail
                      Operating Temperature	-5°C to +55°C
                      Dimensions	100 × 90 × 80 mm (W × H × D)

                      

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                      Features and Advantages

                      • Software-configurable safety logic for flexible machine protection.

                      • Supports emergency-stop buttons, safety interlocks, position switches, and optoelectronic safety devices.

                      • Provides diagnostic indicators for power, operation, faults, and communication.

                      • Accepts up to two plug-in modules for expanded standard I/O.

                      • Supports safety functions such as two-hand control, reset, and feedback monitoring.

                      Typical Applications

                      • Industrial machinery and manufacturing lines

                      • Emergency-stop and guard-door monitoring

                      • Packaging and material-handling equipment

                      • Automated assembly systems

                      • Machine safeguarding and safety-control panels

• • • • • • • .The structure and details of the product：

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