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Allen-Bradley 440R-B23211
Overview
The Allen-Bradley 440R-B23211 is a Guardmaster MSR117T safety relay designed for monitoring safety devices such as emergency stop buttons and safety gates. Operating at 24V AC/DC, it provides three normally open (N.O.) safety outputs and one normally closed (N.C.) auxiliary output. The relay supports both automatic/manual and monitored manual reset configurations, ensuring flexibility in safety system designs. With a compact 22.5 mm housing, it is suitable for DIN rail mounting in control panels.
Key Features
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Input Configuration: 1 N.C. safety input
-
Safety Outputs: 3 N.O. relay outputs
-
Auxiliary Output: 1 N.C. relay output
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Reset Modes: Configurable for automatic/manual or monitored manual reset
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Power Supply: 24V AC/DC
-
Housing Width: 22.5 mm
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Mounting: DIN rail
-
Contact Rating: 2 x 5 A or 3 x 4 A
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Standards Compliance: CE, cULus, c-Tick, TÜV
-
Safety Ratings: Category 4, PLe (ISO 13849-1), SIL CL 3 (IEC 62061)
Technical Specifications
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Catalog Number: 440R-B23211
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Relay Model: MSR117T
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Power Consumption: 2 W
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Response Time: 40 ms
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Power On Delay: 1 s
-
Impulse Withstand Voltage: 2.5 kV
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Operating Temperature: -5°C to 55°C (23°F to 131°F)
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Relative Humidity: Up to 90% non-condensing
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Enclosure Protection Rating: IP40 (housing), IP20 (terminals)
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Terminal Type: Fixed screw terminals
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Material: Polyamide (PA6/PA66)
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Dimensions (H x W x D): 75 mm x 22.5 mm x 110 mm
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Weight: 0.18 kg
Applications
-
Monitoring emergency stop devices
-
Safety gate interlocking
-
Safety light curtains and two-hand control devices
-
Small to medium-sized machinery requiring safety relays
-
Applications requiring high safety integrity levels (SIL 3, PLe)
Why Choose the 440R-B23211?
-
High Safety Standards: Meets Category 4, PLe, and SIL CL 3 requirements for critical safety applications.
-
Flexible Reset Options: Supports both automatic/manual and monitored manual reset configurations.
-
Compact Design: Slim 22.5 mm housing saves panel space.
-
Reliable Performance: Fast response time and robust construction ensure dependable operation.
-
Easy Integration: DIN rail mounting and fixed terminals simplify installation.
Order Now
The Allen-Bradley 440R-B23211 Guardmaster MSR117T Safety Relay is available and ready to ship.
Description
Allen-Bradley 440R-B23211
Overview
The Allen-Bradley 440R-B23211 is a Guardmaster MSR117T safety relay designed for monitoring safety devices such as emergency stop buttons and safety gates. Operating at 24V AC/DC, it provides three normally open (N.O.) safety outputs and one normally closed (N.C.) auxiliary output. The relay supports both automatic/manual and monitored manual reset configurations, ensuring flexibility in safety system designs. With a compact 22.5 mm housing, it is suitable for DIN rail mounting in control panels.
Key Features
-
Input Configuration: 1 N.C. safety input
-
Safety Outputs: 3 N.O. relay outputs
-
Auxiliary Output: 1 N.C. relay output
-
Reset Modes: Configurable for automatic/manual or monitored manual reset
-
Power Supply: 24V AC/DC
-
Housing Width: 22.5 mm
-
Mounting: DIN rail
-
Contact Rating: 2 x 5 A or 3 x 4 A
-
Standards Compliance: CE, cULus, c-Tick, TÜV
-
Safety Ratings: Category 4, PLe (ISO 13849-1), SIL CL 3 (IEC 62061)
Technical Specifications
-
Catalog Number: 440R-B23211
-
Relay Model: MSR117T
-
Power Consumption: 2 W
-
Response Time: 40 ms
-
Power On Delay: 1 s
-
Impulse Withstand Voltage: 2.5 kV
-
Operating Temperature: -5°C to 55°C (23°F to 131°F)
-
Relative Humidity: Up to 90% non-condensing
-
Enclosure Protection Rating: IP40 (housing), IP20 (terminals)
-
Terminal Type: Fixed screw terminals
-
Material: Polyamide (PA6/PA66)
-
Dimensions (H x W x D): 75 mm x 22.5 mm x 110 mm
-
Weight: 0.18 kg
Applications
-
Monitoring emergency stop devices
-
Safety gate interlocking
-
Safety light curtains and two-hand control devices
-
Small to medium-sized machinery requiring safety relays
-
Applications requiring high safety integrity levels (SIL 3, PLe)
Why Choose the 440R-B23211?
-
High Safety Standards: Meets Category 4, PLe, and SIL CL 3 requirements for critical safety applications.
-
Flexible Reset Options: Supports both automatic/manual and monitored manual reset configurations.
-
Compact Design: Slim 22.5 mm housing saves panel space.
-
Reliable Performance: Fast response time and robust construction ensure dependable operation.
-
Easy Integration: DIN rail mounting and fixed terminals simplify installation.
Order Now
The Allen-Bradley 440R-B23211 Guardmaster MSR117T Safety Relay is available and ready to ship.