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Allen Bradley Guardmaster Safety Relays 440G-MT47039

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440G-MT47039

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The Allen Bradley 440G-MT47039 is a guard locking switch designed for use in safety-related applications. It operates on both 24V AC and 24V DC, ensuring versatility in various environments.

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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 440G-MT47039

ManufacturerAllen Bradley
Product TypeGuard Locking Switch
Product LineGuardmaster Safety Relays
Part Number440G-MT47039
Weight2.50 lbs (1.13 kg)
Conduit Entry1/2 inch NPT
Action TypeBBM
Actuator TypeGD2 standard
Rated Voltage (AC)24V AC
Rated Voltage (DC)24V DC
Number of Auxiliary Contacts (NO)1 Auxiliary Contact
Number of Safety Contacts (NC)3 Safety Contacts
Min. Operating Temperature Rating0 °C
Max. Operating Temperature Rating40 °C
Max. Operating Humidity80% (Non-Condensing)
Max. Storage Humidity80% (Non-Condensing)
Max. Operating Altitude1000 MSL
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Designed as part of the Guardmaster Safety Relays series, the 440G-MT47039 from Allen Bradley is a guard locking switch focused on enhancing safety mechanisms in various settings. This switch operates on a rated voltage of 24V, compatible with both AC and DC, providing flexibility for different installation needs.

The switch includes a conduit entry size of 1/2 inch NPT, facilitating easy integration into existing conduit systems. It is classified with a BBM action type and utilizes the GD2 standard actuator to ensure proper functionality and secure locking. In terms of safety features, it is equipped with three normally closed safety contacts and one normally open auxiliary contact, ensuring comprehensive safety monitoring.

Regarding environmental conditions, the 440G-MT47039 operates effectively within a temperature range of 0 °C to 40 °C, making it suitable for a range of ambient conditions. It can also handle humidity levels up to 80%, both during operation and storage, without condensation impacting performance. Its design allows operation at altitudes of up to 1000 meters above sea level, positioning it as a reliable choice for safety applications in various locations.