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Allen-Bradley 1734-OB4K 4-channel digital output module with conformal coating

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Allen-Bradley 1734-OB4K

by Allen-Bradley

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OverviewThe Allen-Bradley 1734-OB4K is a highly durable 4-channel digital output module, engineered for effortless integration with POINT I/O systems in challenging industrial automation settings. This module operates effectively at 24V DC, offering precise and reliable management of numerous industrial devices such as actuators, solenoids, and relays. Its sourcing output configuration guarantees positive voltage switching, optimizing both performance and compatibility. A key attribute of the 1734-OB4K is its conformal coating, which acts as a protective barrier, safeguarding the module's sensitive electronic parts from moisture, dust, and corrosive industrial chemicals. This essential protection makes the 1734-OB4K an indispensable component for applications in the most rigorous industrial environments, ensuring unwavering operational integrity.Key Features 4-Channel Digital Output: Manages up to four 24V DC industrial devices with precision, enhancing operational flexibility. Sourcing Output: Provides positive voltage switching for dependable and efficient control of connected equipment. Conformal Coating: Offers superior defense against moisture, dust, and corrosive elements, prolonging lifespan in harsh conditions. Compact POINT I/O Form Factor: Designed for space-saving installations, maximizing cabinet space without sacrificing performance. Reliable Discrete Control: Ensures stable, accurate, and efficient signal transmission for crucial automation processes. DIN Rail Mountable: Enables quick, easy, and secure installation, supporting flexible system expansion and maintenance. Seamless Rockwell Integration: Guarantees effortless compatibility and communication within existing Rockwell automation architectures. Technical SpecificationsModel: 1734-OB4KOutput Type: 24V DC Digital Output (Sourcing)Number of Outputs: 4 ChannelsProtection: Conformal CoatingMounting Type: DIN RailSeries: POINT I/OApplications Factory Automation: Perfect for managing various field devices like actuators, solenoids, relays, and indicator lights on manufacturing lines. Process Control: Delivers efficient and reliable low-voltage discrete output switching for critical process control operations across diverse sectors. Machine Interface: Supports smooth and responsive control of electrical components within complex machinery and automated systems. SCADA & Distributed I/O: Ensures consistent and dependable output signal transmission for supervisory control and data acquisition systems. Harsh Industrial Environments: Its conformal coating makes it exceptionally suitable for areas exposed to moisture, dust, chemical vapors, and extreme temperatures. Water/Wastewater Treatment: Controls pumps, valves, and other equipment in environments prone to corrosion and moisture. Why Choose the Allen-Bradley 1734-OB4K?Unmatched Durability in Demanding Conditions: The conformal coating provides crucial protection, ensuring long-term operation and reduced downtime in the most challenging industrial settings.Optimized Performance and Control: With 4 channels of 24V DC sourcing output, it delivers precise and efficient control over various industrial devices, enhancing overall system accuracy.Space-Saving and Easy Integration: Its compact POINT I/O design and DIN rail mounting simplify installation and allow for flexible expansion within existing or new automation systems.Seamless Compatibility with Rockwell Ecosystems: Engineered for effortless integration with Rockwell Automation systems, leveraging established infrastructure and streamlining development.Cost-Effective Long-Term Solution: Its robust construction and reliable performance minimize maintenance needs and extend operational life, offering significant long-term value.Order NowEnhance your industrial automation system with the Allen-Bradley 1734-OB4K digital output module. Contact us today to place your order or request a quote.FAQWhat is the primary function of the Allen-Bradley 1734-OB4K?The 1734-OB4K is a 4-channel digital output module designed to provide precise and reliable 24V DC control over industrial devices within POINT I/O systems.How does the conformal coating benefit this module?The conformal coating protects the module's electronic components from moisture, dust, and corrosive industrial chemicals, extending its lifespan and ensuring reliable operation in harsh environments.What type of output configuration does the 1734-OB4K feature?This module features a sourcing output configuration, which provides positive voltage switching for dependable control of connected equipment.Can this module be easily integrated into existing systems?Yes, its compact POINT I/O design, DIN rail mounting, and seamless compatibility with Rockwell Automation architectures ensure easy integration and flexible expansion.In what environments is the 1734-OB4K particularly effective?Due to its conformal coating, it is ideally suited for harsh industrial environments exposed to moisture, dust, chemical vapors, and extreme temperatures, such as factory automation and water treatment plants.

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$273.00
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PRODUCT DETAILS

Allen-Bradley 1734-OB4K

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:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. 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: 1734-OB4K

Output Type: 24V DC Digital Output (Sourcing)

Number of Outputs: 4 Channels

Protection: Conformal Coating

Mounting Type: DIN Rail

Series: POINT I/O

Applications

  • Factory Automation: Perfect for managing various field devices like actuators, solenoids, relays, and indicator lights on manufacturing lines.
  • Process Control: Delivers efficient and reliable low-voltage discrete output switching for critical process control operations across diverse sectors.
  • Machine Interface: Supports smooth and responsive control of electrical components within complex machinery and automated systems.
  • SCADA & Distributed I/O: Ensures consistent and dependable output signal transmission for supervisory control and data acquisition systems.
  • Harsh Industrial Environments: Its conformal coating makes it exceptionally suitable for areas exposed to moisture, dust, chemical vapors, and extreme temperatures.
  • Water/Wastewater Treatment: Controls pumps, valves, and other equipment in environments prone to corrosion and moisture.

Why Choose the 1734-OB4K?

Unmatched Durability in Demanding Conditions: The conformal coating provides crucial protection, ensuring long-term operation and reduced downtime in the most challenging industrial settings.

Optimized Performance and Control: With 4 channels of 24V DC sourcing output, it delivers precise and efficient control over various industrial devices, enhancing overall system accuracy.

Space-Saving and Easy Integration: Its compact POINT I/O design and DIN rail mounting simplify installation and allow for flexible expansion within existing or new automation systems.

Seamless Compatibility with Rockwell Ecosystems: Engineered for effortless integration with Rockwell Automation systems, leveraging established infrastructure and streamlining development.

Cost-Effective Long-Term Solution: Its robust construction and reliable performance minimize maintenance needs and extend operational life, offering significant long-term value.

Availability & Shipping

  • In stock: 1734-OB4K 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 1734-OB4K ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1734-OB4K is a 4-channel digital output module designed to provide precise and reliable 24V DC control over industrial devices within POINT I/O systems.

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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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.

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