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Allen-Bradley 937TH-DISAR-DC2
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 937TH-DISAR-DC2 is a sophisticated, compact isolated barrier module designed for superior signal isolation and protection in demanding industrial automation and process control settings. This 12.5mm module acts as a switch amplifier with a robust relay output, ensuring secure and reliable operation for 24V DC digital input/output systems. Its advanced dual-channel functionality significantly boosts signal reliability and overall system safety, making it essential for hazardous environments and seamless integration into complex control panels. The sturdy construction and precise operation make it an ideal choice where signal integrity and operator protection are top priorities.Key Features Dual-Channel Isolation: Delivers exceptional signal isolation for two independent digital input channels. Digital I/O Optimization: Engineered specifically for accurate processing of digital signals within industrial applications. Switch Amplifier with Relay: Improves signal integrity, provides strong amplification, and offers flexible control through an integrated relay output. Space-Saving Design: A slim 12.5mm module facilitates high-density panel installations, optimizing space. 24V DC Power Compatibility: Ensures broad compatibility with standard industrial power systems, simplifying integration. Industrial Durability: Built for remarkable resilience and stability, guaranteeing consistent function in challenging industrial conditions. Hazardous Location Compliance: UL, CE, ATEX, and IECEx certifications ensure adherence to strict safety standards for hazardous areas. Technical Specifications Model: 937TH-DISAR-DC2 Series: Bulletin 937 Isolated Barriers Module Size: 12.5mm (High-Density Configuration) I/O Type: Digital Input Output Mechanism: Relay Output Channels: Dual-Channel Power Requirement: 24V DC Mounting Method: DIN Rail Certifications: UL, CE, ATEX, IECEx Applications Hazardous Area Signal Protection: Provides crucial safeguarding for signals in potentially explosive or volatile industrial settings, ensuring safety and compliance. Process Control & Automation: Guarantees precise signal transmission and amplification, vital for accurate process management and automated operations. SCADA & Industrial Monitoring: Substantially improves digital signal reliability and integrity, crucial for effective supervisory control and data acquisition systems. Control Panel & PLC Integration: Offers secure and isolated I/O functionality, enabling robust integration within industrial control panels and Programmable Logic Controllers. Machine Safety Systems: An essential component for designing and implementing advanced machine safety functions by ensuring reliable signal isolation. Why Choose the Allen-Bradley 937TH-DISAR-DC2?Selecting the Allen-Bradley 937TH-DISAR-DC2 isolated barrier signifies an investment in unmatched reliability, safety, and performance for your industrial digital I/O signal protection requirements. Its dual-channel isolation provides redundancy and heightened security for critical processes. The ultra-compact 12.5mm footprint allows for maximum panel density, optimizing valuable cabinet space without sacrificing functionality. Furthermore, the strong relay output ensures dependable switching and control, vital for operational continuity and safety. Supported by Allen-Bradley's reputation for industrial excellence and extensive hazardous area certifications, this module is a smart, forward-thinking choice for engineers and automation professionals aiming to boost the safety, efficiency, and longevity of their systems. It's more than just a part; it's a foundation for enhanced industrial operations.Order NowElevate your system's safety and performance. Contact Palm Parts Solution today to order the Allen-Bradley 937TH-DISAR-DC2 isolated barrier module.FAQQ: What is the primary function of the Allen-Bradley 937TH-DISAR-DC2?A: It provides superior signal isolation and protection for digital input signals in industrial automation and process control applications, particularly in hazardous environments.Q: How does the dual-channel feature benefit my application?A: The dual-channel capability enhances signal reliability and safety by allowing isolation for two independent digital input channels, offering redundancy and increased security for critical processes.Q: Is this module suitable for hazardous locations?A: Yes, it holds UL, CE, ATEX, and IECEx certifications, confirming its compliance with stringent safety standards for hazardous environments.Q: What power supply is required for the 937TH-DISAR-DC2?A: The module operates on a 24V DC power supply, ensuring broad compatibility with standard industrial power systems.Q: Can this module be easily integrated into existing control panels?A: Absolutely, its compact 12.5mm design and DIN rail mounting make it ideal for high-density panel installations and seamless integration with existing industrial control systems and PLCs.
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Allen-Bradley 937TH-DISAR-DC2
Overview
This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Allen-Bradley catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Allen-Bradley automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Allen-Bradley platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 937TH-DISAR-DC2
- Series: Bulletin 937 Isolated Barriers
- Module Size: 12.5mm (High-Density Configuration)
- I/O Type: Digital Input
- Output Mechanism: Relay Output
- Channels: Dual-Channel
- Power Requirement: 24V DC
- Mounting Method: DIN Rail
- Certifications: UL, CE, ATEX, IECEx
Applications
- Hazardous Area Signal Protection: Provides crucial safeguarding for signals in potentially explosive or volatile industrial settings, ensuring safety and compliance.
- Process Control & Automation: Guarantees precise signal transmission and amplification, vital for accurate process management and automated operations.
- SCADA & Industrial Monitoring: Substantially improves digital signal reliability and integrity, crucial for effective supervisory control and data acquisition systems.
- Control Panel & PLC Integration: Offers secure and isolated I/O functionality, enabling robust integration within industrial control panels and Programmable Logic Controllers.
- Machine Safety Systems: An essential component for designing and implementing advanced machine safety functions by ensuring reliable signal isolation.
Why Choose the 937TH-DISAR-DC2?
Selecting the Allen-Bradley 937TH-DISAR-DC2 isolated barrier signifies an investment in unmatched reliability, safety, and performance for your industrial digital I/O signal protection requirements. Its dual-channel isolation provides redundancy and heightened security for critical processes. The ultra-compact 12.5mm footprint allows for maximum panel density, optimizing valuable cabinet space without sacrificing functionality. Furthermore, the strong relay output ensures dependable switching and control, vital for operational continuity and safety. Supported by Allen-Bradley's reputation for industrial excellence and extensive hazardous area certifications, this module is a smart, forward-thinking choice for engineers and automation professionals aiming to boost the safety, efficiency, and longevity of their systems. It's more than just a part; it's a foundation for enhanced industrial operations.
Availability & Shipping
- ▸In stock: 937TH-DISAR-DC2 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 937TH-DISAR-DC2 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
Machine down? We ship parts the same day.
New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.