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Rockwell Automation, Guardmaster 440R DI/DIS - Dual Channel Safety Relays

Simplify installation and safety control system complexity with the 440R DI/DIS Guardmaster Safety Relays by Rockwell Automation. These units consolidate the functionality of two safety relays into a convenient single 22.5 mm housing electromechanical relay (DI) or solid state (DIS) outputs.

With the Guardmaster family of safety relays, many important components in a control system such as safety interlock switches, pressure sensitive safety mats, emergency stop devices, and OSSD devices such as safety light curtains are compatible with the same relay without added configuration, saving you time and money. These 440R DI/DIS Safety Relays help you to minimise downtime through reliable, fast fault detection which prevents risk of damage to machinery and protects personnel from injury.

These units can replace a pair of the following Guardmaster safety relays: MSR127, MSR131, MSR142, MSR144, MSR30.

Features and Benefits:

• Suitable for applications up to PLe, Cat. 4 per ISO 13849-1 and SIL CL3 per IEC 62061
• Two dual channel inputs
• TÜV-approved single rotary switch sets the function of the safety relay - configures auto/manual or monitored manual reset and AND/OR logic of inputs
• Single wire safety input and output to cascade safety relays and expand with output modules while maintaining SIL 3, PLe
• “AND / OR” logic between single wire safety input and standard inputs can be configured in a variety of safety functions for zoning and muting
• Universal inputs are compatible with interlocks, light curtains, safety mats, E-stops, and SensaGuard™