Allen Bradley 1719-IR4B Ex I/O RTD Input Module – 4-Channel, IP20, Spring Clamp Connection

The Allen Bradley 1719-IR4B is a 4-channel RTD input module from the Allen Bradley Ex I/O series, designed for precise temperature measurement in hazardous area applications. It provides reliable resistance temperature detector (RTD) signal acquisition and is ideal for process automation environments that require intrinsically safe I/O integration.

Featuring spring clamp connections for secure wiring and DIN rail mounting capability, the 1719-IR4B ensures easy installation and long-term stability. With IP20 protection and support for four isolated RTD inputs, this module delivers accurate, noise-immune temperature readings for a wide range of industrial and process applications.

Technical Specifications

Model: 1719-IR4B Allen Bradley
Series: Ex I/O
Product Type: 4-Channel RTD Input Module
Number of Analog Inputs: 4 (RTD type)
Number of Analog Outputs: 0
Input Type: RTD (Resistance Temperature Detector)
Input Signal Types: PT100, PT1000, Ni100 (depending on configuration)
Input Voltage: Not applicable (sensor-level inputs)
Input Current: No
Mounting Type: DIN rail mounting
Connection Type: Spring clamp terminal connections
Protection Rating: IP20
Module Width: 100 mm
Module Height: 32 mm
Module Depth: 103 mm

Electrical & Performance Details

• Number of Channels: 4 RTD inputs for accurate temperature measurement
• Input Range: Configurable per RTD type (PT/Ni sensors)
• Signal Isolation: Channel-to-channel and fieldbus isolation for signal integrity
• Front Installation: No (rear-inserted into chassis)
• Output Capability: None – input-only module
• Communication Protocol: Ex I/O backplane (no external network communication)

Mechanical Specifications

• Height: 32 mm
• Width: 100 mm
• Depth: 103 mm
• Mounting: DIN rail (35 mm top hat)
• Connection Type: Spring clamp terminals
• Rack Assembly Possible: No (individual module mount)

Environmental & Application Suitability

• Typical Applications: Temperature measurement in hazardous areas, Ex zones, and process instrumentation systems
• Use Case: Collects RTD sensor data for precise process control and monitoring
• Installation Environment: Industrial and process control enclosures with appropriate protection
• Operating Temperature: As specified in Allen Bradley Ex I/O documentation

Compliance & Certifications

• CE Marked: Yes
• UL / cUL Listed: Yes
• ATEX / IECEx Certified: Yes (for use in hazardous environments)
• RoHS Compliant: Yes

Key Features & Benefits

✅ 4 RTD input channels for precise temperature monitoring in Ex-rated environments.

✅ Spring clamp terminals provide vibration-resistant and maintenance-free wiring.

✅ DIN rail mountable for easy and modular system installation.

✅ High measurement accuracy suitable for PT100/PT1000/Ni100 sensors.

✅ Optimised for Allen Bradley Ex I/O systems in hazardous process applications.

📦 Order the Allen Bradley 1719-IR4B from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1719-IR4B prices, with fast UK & EU delivery and full support for Ex I/O and process instrumentation applications.

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