Allen Bradley 440R-DG2R2T Dual GuardLink Safety Relay – 24V DC, 2 N.O. Safety Outputs (Instantaneous & Time-Delayed), PL e, SIL 3 Certified

The Allen Bradley 440R-DG2R2T is a Dual GuardLink Safety Relay from the Guardmaster DG series, engineered for advanced machine safety monitoring and rapid system integration. Operating at 24V DC, this module features two normally open (N.O.) safety outputs — one instantaneous and one time-delayed — providing flexible safety control for dual GuardLink channels.

Designed for high-integrity safety systems, the 440R-DG2R2T achieves Performance Level “e” (EN ISO 13849-1) and SIL 3 (IEC 61508) certification, ensuring dependable protection in complex automation environments. It supports a configurable release delay of 5 to 55.5 seconds for controlled power-downs and integrates easily on standard 35mm DIN rails with compact 22.5mm width housing.

Technical Specifications

Model: 440R-DG2R2T Allen Bradley
Series: Guardmaster DG
Product Type: Dual GuardLink Safety Relay
Supply Voltage: 24V DC
Voltage Type: DC
Safety Outputs: 2 N.O. (1 instantaneous, 1 time-delayed)
Performance Level (EN ISO 13849-1): Level e
SIL Rating (IEC 61508): SIL 3
Stop Category (IEC 60204): 0
Release Delay: Adjustable 5…55.5 seconds
Evaluation Inputs: Dual GuardLink channels
Mounting Type: DIN Rail (35mm top hat)
Connection Type: Screw terminals
Dimensions (W x H x D): 22.5 x 119.14 x 113.6 mm

Electrical & Performance Details

• Supply Voltage Range: 24V DC ±10%
• Output Configuration: 2 N.O. safety relay contacts (one instantaneous, one time-delayed)
• Release Delay: Adjustable between 5 and 55.5 seconds
• Safety Category: Category 4 / PL e / SIL 3
• Stop Function: Category 0 stop according to IEC 60204
• Feedback Circuit: Supported for external contactor monitoring
• Start Input: Yes (manual or automatic start supported)
• Muting Function: No
• Input Type: Dual GuardLink inputs (two independent safety channels)

Mechanical Specifications

• Width: 22.5 mm
• Height: 119.14 mm
• Depth: 113.6 mm
• Mounting: Standard 35mm DIN rail
• Connection: Screw terminal connections (no detachable clamps)
• Housing: Compact modular relay enclosure for industrial safety panels

Environmental & Application Suitability

• Typical Applications: GuardLink-enabled machinery, safety zones, dual input E-stop circuits, and modular production cells
• Monitoring Capability: Designed for emergency stop and GuardLink-enabled input devices
• Stop Category: Category 0 emergency stop functionality
• Operating Temperature Range: As per manufacturer specifications (typically -10°C to +55°C)
• Installation Environment: Industrial control cabinets and safety control enclosures

Compliance & Certifications

• Performance Level: PL e (EN ISO 13849-1)
• SIL Rating: SIL 3 (IEC 61508)
• Stop Category: 0 (IEC 60204)
• UL / cUL Listed: Yes
• CE Marked: Yes
• RoHS Compliant: Yes

Key Features & Benefits

✅ Dual GuardLink channels allow connection of two independent GuardLink safety devices.

✅ Two safety outputs – one instantaneous and one time-delayed – for flexible safety response.

✅ High-level safety compliance with PL e and SIL 3 certification.

✅ Adjustable release delay (5–55.5s) for controlled power-down of machinery.

✅ Compact 22.5mm housing conserves panel space.

✅ DIN rail mountable for rapid, modular installation.

✅ Integrated feedback circuit for reliable contactor monitoring.

📦 Order the Allen Bradley 440R-DG2R2T from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 440R-DG2R2T prices, with fast UK & EU delivery and expert support for GuardLink and Guardmaster safety control systems.

Check stock now or request a quote.

Enhance your GuardLink safety architecture with the Allen Bradley 440R-DG2R2T — precision, flexibility, and safety engineered by Drive Outlet Megastore.