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Allen-Bradley 440R-D22R2 Guardmaster Dual-Input Safety Relay
The Guardmaster 440R-D22R2 is a dedicated machine-safety relay rather than an ordinary process-control relay. It provides two dual-channel input paths for supported protective devices and immediate safety outputs for use in appropriately engineered safety circuits.
A failure in a safety circuit can take a machine out of service. Replacement sourcing is particularly sensitive because relay model numbers, reset modes, monitoring functions and certification requirements may affect the machinery safety design. This listing is for identifying the exact component, not prescribing a safety-system change.
For maintenance and purchasing teams, an accurate manufacturer part number is essential to avoid receiving a related but unsuitable version. The 440R-D22R2 listing is intended as an identification and sourcing reference: product condition, inventory, availability, warranty and delivery will be confirmed when a quotation is prepared. Corwin Solutions can investigate exact-part sourcing requests and supported alternatives when sufficient original equipment information is supplied.
Technical Details and Product Specifications
Typical Industrial Applications
This type of machine safety component may be requested for breakdown repairs, preventive maintenance or spare-part inventory. Technicians should compare the removed unit with the equipment drawings, wiring or pneumatic diagrams and any site-specific requirements before placing an order. Operational failures can also have causes elsewhere in the system, so confirming the fault and the correct replacement reference helps prevent unnecessary rework.
Replacement and Compatibility Notes
Safety component selection, installation and validation must be performed by qualified personnel. Verify the complete model, safety design, supply voltage, reset configuration, terminal arrangement and applicable standards.
Request a Quote
Contact Corwin Solutions with the full manufacturer part number, required quantity, delivery destination, preferred condition and desired delivery date. Include a photograph of the original nameplate and machine information when possible. Availability and price are confirmed only after supplier verification.
Allen-Bradley 440R-D22R2 Guardmaster Dual-Input Safety Relay
The Guardmaster 440R-D22R2 is a dedicated machine-safety relay rather than an ordinary process-control relay. It provides two dual-channel input paths for supported protective devices and immediate safety outputs for use in appropriately engineered safety circuits.
A failure in a safety circuit can take a machine out of service. Replacement sourcing is particularly sensitive because relay model numbers, reset modes, monitoring functions and certification requirements may affect the machinery safety design. This listing is for identifying the exact component, not prescribing a safety-system change.
For maintenance and purchasing teams, an accurate manufacturer part number is essential to avoid receiving a related but unsuitable version. The 440R-D22R2 listing is intended as an identification and sourcing reference: product condition, inventory, availability, warranty and delivery will be confirmed when a quotation is prepared. Corwin Solutions can investigate exact-part sourcing requests and supported alternatives when sufficient original equipment information is supplied.
Technical Details and Product Specifications
Typical Industrial Applications
This type of machine safety component may be requested for breakdown repairs, preventive maintenance or spare-part inventory. Technicians should compare the removed unit with the equipment drawings, wiring or pneumatic diagrams and any site-specific requirements before placing an order. Operational failures can also have causes elsewhere in the system, so confirming the fault and the correct replacement reference helps prevent unnecessary rework.
Replacement and Compatibility Notes
Safety component selection, installation and validation must be performed by qualified personnel. Verify the complete model, safety design, supply voltage, reset configuration, terminal arrangement and applicable standards.
Request a Quote
Contact Corwin Solutions with the full manufacturer part number, required quantity, delivery destination, preferred condition and desired delivery date. Include a photograph of the original nameplate and machine information when possible. Availability and price are confirmed only after supplier verification.