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Allen Bradley Guardmaster Safety Relays 440R-M23084

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440R-M23084

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The Allen-Bradley/Rockwell Automation 440R-M23084 Guardmaster Single-Function Safety Relay comes with 2 different input options that have 1 N.C. contact, 2 N.C. contacts, or a light curtain. It operates with a power supply of 24 Volts AC/DC and a power consumption rating of 4 Watts. This relay also comes with output options.

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2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 440R-M23084

ManufacturerAllen Bradley
Product TypeSafety Relay
Product LineGuardmaster Safety Relays
Part Number440R-M23084
Weight0.88 lbs (0.40 kg)
OptionsDelayed Options
Power supply24V AC/DC
Power Consumption4W
Safety Inputs1 N.C. Curtain, 2 N.C. Contacts, or a Light Curtain
Input SimultaneityInfinite
Maximum Allowable Input Resistance135 Ohms
ResetMonitored Manual or Auto./Manual
Safety Outputs2 N.O.
Safety Delayed Outputs2 N.O., 1 N.C.
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The 440R-M23084 Single-Function Safety Relay has been included in the Guardmaster Safety Relays series by Allen-Bradley/Rockwell Automation. Although this safety relay can be used in multiple applications, it is recommended mainly for use in machine safeguarding systems. It comes with a universal housing design and several configurable functions that enable it to be used in different instances. This safety relay can be used in 4 different configurations that include the use of 1 normally closed contact and 2 normally closed contacts. This configuration also includes 2 P&P connections that come from a light curtain. The Allen-Bradley/Rockwell Automation 440R-M23084 Single-Function Safety Relay comes with 3 different input options which include 1 normally closed contact, 2 normally closed contacts, or a light curtain. The safety outputs of this relay are 2 normally open contacts.

The Allen-Bradley/Rockwell Automation 440R-M23084 Guardmaster Single-Function Safety Relay also comes with a safety delayed output option that consists of 2 normally open contacts and 1 normally closed contact. This last contact can be ordered from the accessories catalog for this series. The Allen-Bradley/Rockwell Automation 440R-M23084 Single-Function Safety Relay operates with a power supply voltage of 24 Volts AC and DC, it has a time delay of 0.15 to 3 milliseconds. Its dimensions include a width and height of 99 and 114.5 millimeters, respectively, with a depth of 45 millimeters. The Allen-Bradley/Rockwell Automation 440R-M23084 Single-Function Safety Relay has a power consumption rating of 4 Watts and an infinite input simultaneity rating. This relay has a maximum allowable input resistance of 135 Ohms and the reset option can be monitored manually or automatically.