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Allen Bradley Bulletin 937 937TH-DISAR-DC2

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937TH-DISAR-DC2

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The Allen Bradley 937TH-DISAR-DC2 is an intrinsic safety isolated barrier, designed specifically for applications requiring high safety standards. This device operates at a supply voltage of 24 Volts DC and accommodates two channels, ensuring efficient signal isolation and reliability.

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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 937TH-DISAR-DC2

ManufacturerAllen Bradley
Product TypeIntrinsic Safety Isolated Barrier
Product LineBulletin 937
Part Number937TH-DISAR-DC2
Weight0.25 lbs (0.11 kg)
GTIN00 887172345272
Supply Voltage24 Volts DC
Channels2 Channels
IsolationGalvanic
Safety RatingSIL 2
Output TypeRelay
Input TypeDry Contact
Line Fault DetectionYes
Pole Count2 Pole DC Control
Cable EntryM20 or M25
CertificationCE, UL, CSA
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The 937TH-DISAR-DC2 by Allen Bradley, part of the Bulletin 937 series, functions as an intrinsic safety isolated barrier. Operating with a supply voltage of 24 Volts DC, this device ensures communication and control in environments where safety is paramount. It is equipped with two channels for better signal management and features galvanic isolation, thus preventing electrical interference and enhancing system integrity.

The device is rated SIL 2, indicating it meets specific safety integrity requirements, making it suitable for use in hazardous locations. Its output type utilizes relays, while dry contact inputs facilitate easy integration with various sensors or external devices. Moreover, this model incorporates line fault detection to monitor and promptly report any abnormalities in the system.

Engineered with a 2-pole design for DC control applications, the 937TH-DISAR-DC2 supports M20 or M25 for cable entry, enhancing its adaptability in diverse setups. Certification by CE, UL, and CSA confirms its compliance with necessary safety and quality standards. This isolated barrier combines reliability and advanced features, making it a suitable component for critical industrial applications.