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Allen Bradley Guardmaster Safety Relays 440G-T27239

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

440G-T27239

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The Allen Bradley 440G-T27239 Guardlock switch is designed for safety applications with a contact type feature of Break Before Make. This switch operates on solenoid input voltage of 24V AC/DC, facilitating reliable operations in various settings.

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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 440G-T27239

ManufacturerAllen Bradley
Product TypeGuardlock Switch
Product LineGuardmaster Safety Relays
Part Number440G-T27239
Weight1.25 lbs (0.57 kg)
UPC781180059964
ActuatorNone
Contact TypeBreak Before Make
Solenoid Voltage24V AC/DC
Safety Contacts2 Normally-Closed Contacts
Auxiliary Contacts1 Normally-Open Contact
Solenoid Contacts1 Normally-Closed and 1 Normally-Open Contacts
Operating Temperature-20 to 60 degrees Celsius
Maximum Relative Operating Humidity80%, non-condensing
EnclosureIP67 Enclosure
Actuator MaterialStainless Steel
Thermal Current10 Amps
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The 440G-T27239 from Allen Bradley is a steadfast Guardlock switch tailored for integration in high-safety environments. Its design eliminates potential faults by employing a Break Before Make contact type, which enhances overall reliability. This component is powered by a solenoid voltage rated at 24V AC/DC, which is standard for many safety applications.

Featuring two normally-closed safety contacts, the device ensures that any failure or opening of the switch lineage results in disconnection, boosting safety protocols. Additionally, it includes one normally-open auxiliary contact, offering added operational flexibility. There are also solenoid contacts, providing a normally-closed and a normally-open configuration.

Built to withstand a wide temperature range, this switch is operational in conditions from -20 to 60 degrees Celsius. The component’s maximum relative humidity rating is set at 80%, maintaining its functionality even in moist environments.

To maximize durability, the enclosure has an IP67 rating, confirming its protection against dust and submersion in water up to a meter in depth. The actuator is constructed from stainless steel, reinforcing the switch's resilience against environmental wear. Notably, it handles a thermal current of 10 Amps, making it suitable for various heavy-duty applications.