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Allen Bradley 440T-MMRSE31 Safety Sensor - Rotating Mirror

Allen Bradley 440T-MMRSE31 safety sensor with rotating mirror for guard monitoring.

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ManufacturerAllen Bradley

Part number440T-MMRSE31

Sensor Type Rotating Mirror

Safety Function Guard Position Monitoring

Mounting Type Surface Mount

Connection Type 3 Meter Cable

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Rotating mirror design for guard detection High-integrity safety output IP67 rated for harsh environments Compact form factor Tamper-resistant Monitors guard status

Product description

The Allen Bradley 440T-MMRSE31 is a specialized safety sensor featuring a rotating mirror, designed for monitoring the position and integrity of safety guards. This type of sensor is often used in applications where a traditional physical interlock may not be practical or sufficient. It works by detecting the presence or absence of the mirror, signaling whether a guard is in its intended secure position.

This sensor is particularly useful in automated systems and machinery where dynamic guard monitoring is required, such as on sliding doors or complex access points. Industries benefiting from this technology include automotive, aerospace, and high-volume manufacturing.

Stanlo Automation, your trusted veteran-owned source for surplus industrial automation components, offers the Allen Bradley 440T-MMRSE31. Equip your facility with reliable safety solutions from Stanlo Automation.

Technical specifications

Sensor Type	Rotating Mirror
Safety Function	Guard Position Monitoring
Mounting Type	Surface Mount
Connection Type	3 Meter Cable
Voltage Rating	24V DC
Output Type	PNP Safety Output
IP Rating	IP67
Series	440T-MMRSE

Common applications

Machine Guarding

Sliding Doors

Automated Systems

Industrial Safety

Manufacturing Cells

Robotics Integration

Compatible systems

Allen Bradley MSR Safety Relays Safety PLC Inputs Guardmaster Safety Systems

Also known as

Allen Bradley 440T-MMRSE31 Mirror Safety Sensor Guard Position Sensor

Replaces / compatible with

Designed to provide an advanced method for monitoring guard positions, often replacing simpler mechanical switches. Compatible with safety relays requiring PNP inputs.

Technical note

Expert tip

Ensure the alignment of the mirror actuator with the sensor is precise to guarantee reliable detection of the guard's closed state.

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Frequently asked questions

What type of guard applications is the Allen Bradley 440T-MMRSE31 best suited for?

The 440T-MMRSE31 is ideal for applications with sliding or moving guards where a rotating mirror can be effectively integrated to signal the guard's position. Its robust and sealed design also makes it suitable for environments that require frequent cleaning or are exposed to dust and moisture.