2085-ECRK

Overview of Allen Bradley 2085-ECRK

The Allen Bradley 2085-ECRK is a Micro800 expansion I/O end cap module designed for use with Micro850 and Micro870 controllers. It functions as a bus terminator that provides the necessary end-of-line termination for expansion I/O modules, ensuring reliable communication and signal integrity across the I/O bus. This module features a conformal coating for enhanced protection against harsh industrial environments, including dust, moisture, and corrosive elements. Compact and lightweight, it measures 96.4 x 15.6 x 59.1 mm and weighs approximately 50 grams. The 2085-ECRK is UL listed for industrial control and hazardous locations and compliant with CE standards, making it suitable for diverse global applications. Its robust design supports a wide operating temperature range from -20°C to 65°C. Ideal for maintaining system reliability and extending the lifespan of Micro800 expansion racks, it is an essential component for industrial automation setups requiring sustained performance under demanding conditions.

Key Features of Allen Bradley 2085-ECRK

• Bus terminator/end cap for Micro850 and Micro870 expansion I/O modules
• Conformal coating to protect against moisture, dust, corrosion, and contaminants
• Compact dimensions of 96.4 mm (H) x 15.6 mm (W) x 59.1 mm (D)
• Lightweight design weighing approximately 50 grams for ease of installation
• Wide operating temperature range from -20°C to 65°C suited for industrial environments
• UL Listed for Class I Division 2 hazardous locations and industrial control equipment
• CE compliant meeting European EMC directives for industrial application
• Ensures reliable signal integrity and proper termination of the I/O expansion bus
• Facilitates maintenance with removable terminal blocks (where applicable)
• Compatible exclusively with Allen Bradley Micro800 series expansion modules

Technical Specs of 2085-ECRK

Specification	Details
Product Type	Micro800 Expansion Module End Cap
Dimensions (HxWxD)	96.4 x 15.6 x 59.1 mm (3.8 x 0.62 x 2.33 in.)
Weight	Approx. 50 g (1.76 oz)
Operating Temperature	-20°C to 65°C
Storage Temperature	-40°C to 85°C
Humidity	Up to 95% RH non-condensing
Certifications	UL Listed (Industrial Control & Hazardous Locations), CE, Korean KC, Australian RCM, Bureau Veritas
Mounting	Panel mount within Micro800 expansion rack

Applications / Use Case

The Allen Bradley 2085-ECRK is essential for industrial automation systems utilizing Micro850 or Micro870 controllers with expansion I/O modules. It completes the I/O expansion bus circuit by providing the required termination, preventing signal reflections and communication errors. This end cap is highly useful in manufacturing facilities, process control systems, and environments with exposure to dust, moisture, or industrial contaminants due to its conformal coating. By protecting the bus from electrical noise and environmental hazards, it supports stable operation of remote I/O devices such as sensors, actuators, and discrete I/O modules. It is commonly applied in packaging lines, remote machine monitoring, and factory automation setups where reliable real-time data exchange is critical. The 2085-ECRK ensures the longevity and consistent performance of Allen Bradley Micro800 systems in hazardous or demanding operating conditions.

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