Allen Bradley 440C-CR30-22BBB Guardmaster Safety Relays
Allen Bradley 440C-CR30-22BBB Guardmaster Safety Relays
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Brand:Allen Bradley PLC Item No.:440C-CR30-22BBB Product Origin:USA Product Dimensions:100 x 80 x 90 mm Product Weight:0.423 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 Allen-Bradley Guardmaster 440C-CR30-22BBB is a programmable safety relay designed to simplify complex machine safety architectures. It combines traditional relay reliability with configurable logic functionality, enabling engineers to build certified safety circuits without extensive hardwiring.
This model is commonly selected for modern automation systems where flexibility, diagnostics, and compliance with SIL 3 / Performance Level e standards are essential design requirements.
Technical Specifications
Parameter
Specification
Model
440C-CR30-22BBB
Product Type
Guardmaster Safety Relay
Safety Inputs
22
Safety Outputs
4
Supply Voltage
24 V DC
Safety Rating
SIL 3 / PLe
Mounting Type
DIN Rail
Protection Class
IP20
Dimensions
100 × 80 × 90 mm
Weight
0.423 kg (0.93 lb)
Communication
Optional plug-in modules (Ethernet/serial)
Operating Temperature
-5 to 55 °C
Applications
The 440C-CR30-22BBB is widely deployed in safety-critical environments where reliable emergency stop monitoring and multi-zone safety logic are required:
Industrial robotic cells with interlocked safety fencing
Conveyor and packaging automation safety circuits
Press machines requiring multi-channel E-stop control
Material handling systems with distributed safety zones
Process manufacturing lines requiring SIL3/PLe safety architecture
Its configurable logic architecture allows engineers to reduce hard-wired relay complexity while maintaining certified safety performance levels.
Advantages
Software-configurable safety logic for flexible system design
Supports up to 22 safety inputs and multiple safety output zones
SIL 3 / PLe compliant for high-risk industrial environments
Reduced wiring complexity compared to traditional relay systems
Integrated diagnostics for faster fault detection and recovery
Modular communication expansion via optional plug-in modules
Compact footprint ideal for control cabinet optimization
Technical FAQs
1. Is this device a safety PLC or a safety relay?
It is a configurable safety relay, not a full safety PLC, designed for predefined safety logic applications.
2. Can it be integrated into Ethernet-based industrial networks?
Yes, via optional communication plug-in modules supporting industrial network integration.
3. What programming environment is used?
It is typically configured using Rockwell automation software such as Connected Components Workbench.
4. Does it support multi-zone safety control?
Yes, it can control multiple safety output zones depending on configuration.
5. Can it monitor emergency stop circuits?
Yes, it is designed specifically for E-stop and safety interlock monitoring.
6. Is it suitable for light-duty applications?
It is primarily designed for industrial-grade safety systems rather than low-risk consumer applications.
7. How many safety outputs are available?
It provides 4 safety outputs depending on configuration.
8. Does it support redundant safety architecture?
Yes, it is designed for dual-channel safety input configurations.
9. Can it replace traditional relay banks?
Yes, it significantly reduces the need for multiple hardwired safety relays.
10. Is firmware or logic upgrade required during maintenance?
Only when safety logic changes are required; otherwise it operates in stable configured state.
