Allen-Bradley Rockwell Guardmaster MSR127TP Safety Relays 440R

Allen-Bradley Guardmaster Safety Relays 440R is a series of excellent safety relays. Here is a brief introduction:

Allen-Bradley Guardmaster Safety Relays 440R are high-performance safety relays that offer diverse functions, high safety levels, flexible configuration, easy installation and strong expandability, being applicable to a variety of safety-critical applications in industrial automation.

Product Advantages of Allen-Bradley Guardmaster Safety Relays 440R

 **Versatile**: Supports a variety of input devices and output configurations, and can be used with interlock devices, light curtains, safety mats, emergency stop devices, and SensaGuard switches.

**High safety level**: Suitable for PLe, SIL3 (ISO13849-1) applications, it can provide a high level of safety for equipment and personnel.

**Flexible configuration**: The rotary switch on the front can be configured for automatic/manual reset or monitored manual reset, and the AND/OR logic of the device input can also be configured.

**Easy to install**: Compact package with removable terminals. The terminals are grouped by power input and output, making the connection work clear at a glance, and the single-wire safety relay connection is easy to install, which improves system flexibility.

**Strong scalability**: Provides optional Guardmaster EtherNet/IP network interface (440R-ENETR) for communication on EtherNet/IP network; safety functions can also be expanded through a single-line connection, cascading up to SIL 3/PL e level.

Common models of Allen-Bradley Guardmaster Safety Relays 440R:

440R-N series: 440R-N23112, 440R-N23113, 440R-N23114, 440R-N23115, 440R-N23116, 440R-N23117, 440R-N23118, 440R-N23119, 440R-N23120, 440R-N23123, 440R-N23124, 440R-N23125, 440R-N23126, etc.

440R-D Series: 440R-D22R2, 440R-D22S2, 440R-D23021, 440R-D23022, 440R-D23023, 440R-D23024, 440R-D23025, 440R-D23163, 440R-D23164, etc.

440R-E Series: 440R-E21356, 440R-E21357, 440R-E21358, 440R-E23097, 440R-E23161, 440R-E23162, 440R-E23191, etc.

Other models: 440R-EM4R2, 440R-EM4R2D, 440R-ENETR, 440R-F23027, etc.

Best-selling models of Allen-Bradley Guardmaster Safety Relays 440R:

440R-D22S2: It is a dual-input solid-state output safety relay, which is widely used in some automation control systems that require high reliability and stability. It is sold by many merchants on e-commerce platforms such as Alibaba.

440R-S13R2: It has a dual-channel input and three electromechanical relay outputs, and can be configured with automatic or monitored manual reset. It can meet a variety of safety control needs and has a relatively large market demand.

440R-N23132: It belongs to the MSR127TP series. Judging from the sales situation on platforms such as eBay, it has a certain market sales volume and has attracted the attention of many users.