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1756-OB8EI

Allen-Bradley 1756-OB8EI | Isolated DC Output Module

In stock (24 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-OB8EI

  • Product Type: Output Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 300g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Allen-Bradley 1756-OB8EI ControlLogix 8-Point Isolated DC Output Module

The Allen-Bradley 1756-OB8EI is an isolated DC output module designed for critical control applications. It provides channel-to-channel isolation and electronic fusing for enhanced reliability and safety.

Technical Specifications

  • Brand & Model: Allen-Bradley 1756-OB8EI
  • Output Configuration: 8 Isolated Sourcing DC Outputs
  • Output Voltage: 10 - 30 Volts DC (24V DC nominal)
  • Current per Point: 2 Amps at 60°C
  • Total Module Current: 16 Amps at 55°C
  • Response Time: 1 ms (ON), 5 ms (OFF)
  • Surge Rating: 4 Amps for 10 milliseconds
  • Isolation Rating: 250V continuous (tested at 1350V)
  • Voltage Drop: 1.2V maximum at 2A
  • Off-State Leakage: <1 mA per point
  • Power Dissipation: 4.7 Watts at 60°C
  • Backplane Power: 1.3W (250 mA @ 5.1V)
  • Operating Temperature: 0°C to 60°C
  • Weight: Approximately 0.3 kg (0.66 lbs)

FAQ

  • Q: What is the 1756-OB8EI module's key advantage?
    A: Its primary advantage is per-point isolation, which ensures that a short circuit or fault on one output channel does not disable the entire module or other connected devices.
  • Q: How do the electronic fuses work?
    A: They monitor current on each channel. If an overcurrent condition is detected, the electronic circuit limits or cuts off power to that specific channel and can report the fault to the controller for diagnostics.
  • Q: Is it suitable for safety applications?
    A> While it offers robust isolation, it is not a certified safety module. For SIL or PL-rated safety functions, a dedicated safety output module (like 1756-OB8EIS) should be used.

Technical Documentation

Download Detailed Specifications (PDF)

For pricing and technical support for the 1756-OB8EI, contact us at sale@etowonauto.com.

🏷️ Tags: Output Module
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  • Ensure compatibility with your current machinery or control systems.
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  • Review delivery options, lead times, and shipping requirements.
  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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