Allen-Bradley 1771-OR | PLC Relay Output Module

Overview

The 1771-OR is an Allen-Bradley digital relay output module engineered for precise control in industrial automation systems. It provides reliable switching performance with a compact, efficient design that integrates seamlessly into PLC racks.

Relay Configuration and Capacity

This module features 8 independent SPST relay outputs, supporting both AC and DC loads. Each relay handles up to 5A at 250VDC or 10A at 250VAC, ensuring flexibility across various control applications. Its rated operating voltage is 24VDC, making it suitable for a wide range of industrial circuits.

Electrical and Switching Specifications

The 1771-OR supports switching capacities of 250VAC at 10A or 250VDC at 5A. These capabilities allow the module to manage diverse electrical loads without compromising performance. With durable relay contacts, it ensures long-term reliability and reduces the need for frequent maintenance.

Environmental Ratings

The 1771-OR is designed to operate in demanding conditions, offering an extended temperature range from -40°C to +70°C. This capability allows consistent performance in environments such as refrigerated storage areas or high-temperature production floors.

Physical Design and Installation

Built with a compact and lightweight form factor, the 1771-OR optimizes space within control enclosures. Its enclosure type is IP20, which provides basic protection in standard industrial cabinets. The design reduces installation costs and simplifies retrofit applications.

Reliability and Application

With Allen-Bradley’s commitment to durability, the 1771-OR delivers a long service life and dependable performance. Its robust relay technology ensures stable operation in real-time automation processes, helping engineers enhance productivity and reduce downtime.