Free UPS Ground on All Orders!
Request a
Fast Quote
Account
Cart
Quote
+1 (919) 205-4392
Allen Bradley Guardmaster Safety Relays 440R-M23147

Product image is representative; revision or series may vary. Contact us to request a specific version.

440R-M23147

|
Need a Specific Revision?

The 440R-M23147 safety relay from Allen Bradley’s Guardmaster Safety Relays series offers reliable safety control. It operates at a voltage rating of 24 VAC/VDC and features immediate and delayed outputs, making it versatile for various safety applications.

In Stock
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.
Learn more
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-M23147

ManufacturerAllen Bradley
Product TypeSafety Relay
Product LineGuardmaster Safety Relays
Part Number440R-M23147
Weight0.81 lbs (0.37 kg)
UPC611320826791
Voltage Rating24 VAC/VDC
Timing Delay0.5 to 10 seconds
Immediate Safety Outputs2 normally open (NO)
Delayed Safety Outputs3 normally open (NO)
TerminalsRemovable
ResetConfigured for Automatic/Manual or Manual Monitored Reset
Power Consumption4 Watts
Input SimultaneityInfinite
Maximum Input Resistance135 Ohms
Mechanical Life10 million cycles
Response Time18 milliseconds
Recovery Time100 milliseconds
Impulse Withstand Voltage2500 Volts
Request a Repair

The Allen Bradley 440R-M23147 safety relay is a robust component designed to enhance safety in industrial setups. Functioning at a voltage rating of 24 VAC/VDC, it is suitable for low-voltage safety applications and features a timing delay that can be set between 0.5 to 10 seconds.

This relay offers two immediate normally open outputs and three delayed normally open outputs, enabling a flexible approach to safety signaling. Its terminals are designed to be removable for easier installation and maintenance. The reset function can be configured for either Automatic/Manual or Manual Monitored Reset, allowing operators to customize the functionality as per their requirements.

With a power consumption of just 4 watts, the relay ensures efficient performance. It supports infinite input simultaneity, maintaining functionality under various operational conditions, with a maximum input resistance of 135 Ohms. The mechanical lifespan of this relay is rated at an impressive 10 million cycles, guaranteeing long-term reliability.

The device has a fast response time of 18 milliseconds and a recovery time of 100 milliseconds, ensuring quick safety signal processing. Additionally, the impulse withstand voltage rating of 2500 volts enhances its robustness against electrical surges, contributing to its reliability in safety-critical applications.