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Allen Bradley Guardmaster Safety Relays 440R-N23135

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440R-N23135

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The 440R-N23135 from Allen Bradley is a specialized safety relay designed for single-function applications. With both AC and DC voltage ratings of 24 V, it provides three normally open safety outputs and one normally closed auxiliary output for added function.

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Ships from Raleigh, NC
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-N23135

ManufacturerAllen Bradley
Product TypeSingle-Function Safety Relay
Product LineGuardmaster Safety Relays
Part Number440R-N23135
Weight0.56 lbs (0.26 kg)
Rated Voltage AC24 V AC
Rated Voltage DC24 V DC
Number of immediate safety outputs3 N.O.
Number of auxiliary outputs1 N.C.
Delayed safety outputsNot Installed
Enclosure width22.5 mm
Mounting Type35 mm Din rail
Terminals TypeRemovable Terminals
Reset typeMonitored manual reset
IP ProtectionIP40
Wire Size4 mm²
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The 440R-N23135 safety relay from Allen Bradley is engineered for single-function duties, providing reliable performance in safety applications. It operates with a rated voltage of 24 V AC and 24 V DC, making it compatible with a variety of systems. Featuring three normally open safety outputs, the relay effectively enhances your safety configuration. Additionally, it is equipped with one normally closed auxiliary output, adding versatility to its function.

Designed with a width of 22.5 mm, this relay is suitable for installation on conventional 35 mm DIN rails. The terminals are removable, allowing for quick connections and convenient maintenance. This unit employs a monitored manual reset feature, ensuring that the system is safely reset before reactivation. The IP40 rating confirms its ability to protect against the intrusion of solid objects, thus securing its operations in demanding environments. Lastly, it handles a wire size of up to 4 mm², accommodating a range of wiring needs.