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Allen-Bradley 440R-D23166
Overview
The Allen-Bradley 440R-D23166 is a GSR DI safety relay from the Guardmaster series, designed to monitor dual-channel safety input devices such as E-stops, safety gates, and light curtains. It operates at 24V DC and provides three normally open (N.O.) safety outputs and one normally closed (N.C.) auxiliary output. This unit offers high-integrity safety control in applications requiring performance levels up to PLe / SIL 3.
Key Features
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Input Type: Dual-channel for redundancy and fault detection
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Safety Outputs: 3 N.O. (positively guided contacts)
-
Auxiliary Output: 1 N.C.
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Power Supply: 24V DC
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Mounting: DIN rail
-
LED Indicators: Power, channel status, fault
-
Reset Modes: Manual and automatic selectable
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Category & Performance Level: Cat 4 / PLe / SIL 3 compliant
Technical Specifications
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Catalog Number: 440R-D23166
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Series: Guardmaster GSR
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Voltage Range: 20.4–28.8V DC
-
Output Rating: 6 A @ 24V DC / 250V AC (resistive)
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Response Time: ≤ 20 ms
-
Operating Temperature: -5°C to +55°C
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Certifications: UL, CE, TÜV, cULus
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Standards Compliance: ISO 13849-1, IEC 62061, IEC 61508
Applications
-
Emergency stop circuits
-
Safety gate and guard interlock monitoring
-
Two-hand control stations
-
Light curtain safety interfaces
-
Any machinery requiring SIL 3 / PLe rated control
Why Choose the 440R-D23166
-
Supports high safety integrity levels
-
Simple DIN rail mounting and wiring
-
Flexible reset options for system integration
-
Globally certified and suitable for a wide range of safety devices
Order Now
The Allen-Bradley 440R-D23166 safety relay is in stock and ships worldwide.
Description
Allen-Bradley 440R-D23166
Overview
The Allen-Bradley 440R-D23166 is a GSR DI safety relay from the Guardmaster series, designed to monitor dual-channel safety input devices such as E-stops, safety gates, and light curtains. It operates at 24V DC and provides three normally open (N.O.) safety outputs and one normally closed (N.C.) auxiliary output. This unit offers high-integrity safety control in applications requiring performance levels up to PLe / SIL 3.
Key Features
-
Input Type: Dual-channel for redundancy and fault detection
-
Safety Outputs: 3 N.O. (positively guided contacts)
-
Auxiliary Output: 1 N.C.
-
Power Supply: 24V DC
-
Mounting: DIN rail
-
LED Indicators: Power, channel status, fault
-
Reset Modes: Manual and automatic selectable
-
Category & Performance Level: Cat 4 / PLe / SIL 3 compliant
Technical Specifications
-
Catalog Number: 440R-D23166
-
Series: Guardmaster GSR
-
Voltage Range: 20.4–28.8V DC
-
Output Rating: 6 A @ 24V DC / 250V AC (resistive)
-
Response Time: ≤ 20 ms
-
Operating Temperature: -5°C to +55°C
-
Certifications: UL, CE, TÜV, cULus
-
Standards Compliance: ISO 13849-1, IEC 62061, IEC 61508
Applications
-
Emergency stop circuits
-
Safety gate and guard interlock monitoring
-
Two-hand control stations
-
Light curtain safety interfaces
-
Any machinery requiring SIL 3 / PLe rated control
Why Choose the 440R-D23166
-
Supports high safety integrity levels
-
Simple DIN rail mounting and wiring
-
Flexible reset options for system integration
-
Globally certified and suitable for a wide range of safety devices
Order Now
The Allen-Bradley 440R-D23166 safety relay is in stock and ships worldwide.