Allen-Bradley 1746-OB16E | SLC 500 Digital DC Output Module

Overview

The Allen-Bradley 1746-OB16E is a high-current Digital DC Output Module from the SLC 500 series. It delivers reliable performance for industrial control applications requiring fast switching and precise control.

This module features 16 outputs with a voltage range of 10–30 Volts DC. Each output supports 1 or 0.5 A, while the module draws a backplane current of 135 mA at 5V DC. Its electronically-fused design ensures safe and efficient operation in demanding environments.

The 1746-OB16E module uses a Removable Terminal Block (RTB) for secure connections and is compatible with standard 1746 chassis slots. Its compact size and rugged construction enable easy installation and maintenance.

Operating within a temperature range of 0–60°C and relative humidity of 5–95% without condensation, this module is NEMA ICS 2-230 rated for noise immunity. It also withstands operational vibration up to 2.5G and shock up to 30G, ensuring long-term reliability.

Key Features

• Brand: Allen-Bradley / Rockwell Automation

• Model: 1746-OB16E

• Series: SLC 500

• Module Type: Digital DC Output Module

• Outputs: 16

• Voltage Range: 10–30 V DC Source

• Current/Output: 0.5–1 A

• Current/Module: 8 A

• Backplane Current (5V): 135 mA

• Step Response: 60 ms in, 2.5 ms out

• Mounting: Standard 1746 Chassis Slot

• Connection: Removable Terminal Block (RTB)

• NEMA Rating: ICS 2-230

• Operating Temperature: 0–60°C

• Vibration: 2.5G (10–200 Hz)

• Shock: 30G

Technical Specifications

Advantages

• Supports high-current industrial applications up to 8A total

• Compact and robust design fits standard 1746 SLC chassis

• Electronically-fused outputs increase operational safety

• Withstands vibration, shock, and harsh environmental conditions

• Step response ensures fast and reliable signal switching

FAQ

Q1: Is the Allen-Bradley 1746-OB16E brand new?
A1: Yes, it is fully original, factory new, and available in stock.

Q2: How many outputs does this module support?
A2: The 1746-OB16E provides 16 digital DC outputs.

Q3: What is the operating voltage range?
A3: It operates from 10 to 30 Volts DC source.

Q4: Can it handle high current applications?
A4: Yes, the module supports up to 8A total current.

Q5: What are the environmental limits?
A5: The module functions between 0–60°C and tolerates 5–95% relative humidity.

Q6: How is it installed?
A6: It mounts in any available 1746 chassis slot using a Removable Terminal Block (RTB).

Q7: What safety standards does it meet?
A7: It is NEMA ICS 2-230 rated for noise immunity and industrial compliance.