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Allen Bradley Guardmaster Safety Relays 440R-H23177

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440R-H23177

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The 440R-H23177 is a safety relay designed by Allen Bradley within the Guardmaster series. Optimized for safety applications, it operates at a supply voltage of 24 VDC and requires an 8 W power supply.

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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-H23177

ManufacturerAllen Bradley
Product TypeSafety Relay
Product LineGuardmaster Safety Relays
Part Number440R-H23177
Weight5.00 lbs (2.27 kg)
GTIN10611320809883
Supply Voltage Rating24 VDC
Power Supply8 W
Output Voltage Rating250 V
Status IndicatorLED Indicator
Type of Electrical ConnectionScrew Connection
Number of NO Contacts2 NO Contacts
Number of NC Contacts1 NC Contact
Operating Temperature Range-5 to 55°C
Storage Temperature Range-40 to 85°C
Installation Altitude1000 m
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The Allen Bradley 440R-H23177 model is a vital component in safety circuits, classified as a safety relay within the Guardmaster series. This device functions effectively with a supply voltage rated at 24 VDC, drawing a power supply of 8 watts. Designed to handle an output voltage up to 250 volts, the relay provides robust control in safety applications.

For ease of installation, it features screw connections, ensuring secure electrical connections in various configurations. The safety relay incorporates an LED indicator, allowing for quick status verification. The contact configuration includes two normally open (NO) contacts alongside one normally closed (NC) contact, offering versatility in circuit design.

Operating within a temperature range of -5°C to 55°C, the device demonstrates resilience in different environments. In terms of storage, it remains functional even at temperatures as low as -40°C, managing up to 85°C during storage. Furthermore, installations are facilitated up to an altitude of 1000 meters, making it adaptable for numerous applications in various locations.