AB 440G-S36005 Safety interlock switch

Allen-Bradley Guardmaster® 440G-S36005 Overview

The Allen-Bradley Guardmaster® 440G-S36005 is a tongue-operated safety interlock switch designed to monitor the position of hinged, sliding, or lift-off machine guards, covers, and other movable machine guarding. It interrupts the power to the machine when the guard is opened, helping to protect personnel.

Product Detailed Description

• Function:

• Monitors the closed status of machine guarding (e.g., safety doors).

• Forces the safety circuit to open and stop hazardous machine motion when the guard is opened.

• Non-contact reed operation provides high immunity to interference.

• Typically used with safety relays or safety PLCs to form a complete safety system.

• Features:

• Non-contact operation reduces mechanical wear and increases lifespan.

• Rugged industrial housing suitable for harsh environments.

• High fault tolerance, can withstand some misalignment.

• Multiple mounting options.

• Provides multiple safety contacts (Normally Closed - NC) and one auxiliary contact (Normally Open - NO).

• Complies with numerous international safety standards such as ISO 13849-1 and IEC 60947-5-3.

Product Parameters

• Contact Configuration:

• 2 NC (Safety Contacts)

• 1 NO (Auxiliary Contact)

• Rated Operating Voltage (Ue):

• 24 V AC/DC

• Rated Operating Current (Ie):

• 2 A (AC-15, DC-13)

• Safety Integrity Level (SIL):

• SIL CL 3 (IEC 61508)

• Performance Level (PL):

• Up to PLe (EN ISO 13849-1)

• Degree of Protection (IP):

• IP67

• Operating Distance:

• Safe Operating Distance (Sao): Minimum 8 mm

• Safe Release Distance (Sar): Maximum 15 mm

• Housing Material:

• PBT (Polybutylene Terephthalate)

• Connection Type:

• Cable (typically 5m or 10m)

• Operating Temperature:

• -25 °C to +70 °C (-13 °F to +158 °F)

• Standards Compliance:

• EN ISO 13849-1

• IEC 60947-5-3

• UL 508

• CSA C22.2 No. 14

• CE Certified

Product Advantages

• High Reliability:

• Non-contact reed operation reduces mechanical failures and increases reliability.

• High Safety:

• Complies with stringent safety standards for high-risk applications.

• Forced guided contacts ensure reliable opening of the safety circuit.

• Strong Durability:

• Rugged housing design suitable for industrial environments.

• Easy Installation:

• Multiple mounting options for easy integration onto various machine guards.

• High Immunity to Interference:

• Non-contact sensing is less susceptible to dust, dirt, and vibration.

• Fault Tolerance:

• Can withstand some misalignment between the sensor and actuator.

Precautions

• Correct Selection:

• Choose the appropriate model based on specific safety requirements, guard type, and environmental conditions.

• Correct Installation:

• Follow Rockwell Automation's installation guidelines, ensuring proper alignment of the sensor and actuator within the safe operating distance.

• Safety Circuit Design:

• Integrate the safety interlock switch into a safety circuit that complies with relevant safety standards, using appropriate safety relays or safety PLCs for evaluation.

• Regular Inspection and Testing:

• Regularly check that the switch is securely mounted, that there is no damage or misalignment between the sensor and actuator, and perform functional tests to ensure proper operation.

• Prevent Misoperation:

• Ensure the switch cannot be intentionally bypassed or disabled.

• Cable Protection:

• Protect the connecting cable from mechanical damage and chemical corrosion.

Product Applications

The Allen-Bradley Guardmaster® 440G-S36005 safety interlock switch is widely used in various industrial sectors to monitor the position of machine guards and ensure personnel safety, including but not limited to:

• Packaging Machinery:

• Monitoring safety doors and guards.

• Machine Tools:

• Monitoring protective doors and restricted access areas.

• Food and Beverage Industry:

• Monitoring safety doors in cleaning and maintenance areas.

• Automotive Manufacturing:

• Monitoring safety guarding for robotic work cells.

• Material Handling Systems:

• Monitoring guards on conveyors and other automated equipment.

• General Industrial Automation:

• Any application requiring safety monitoring of movable guards.

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