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1746-OW16

Allen-Bradley 1746-OW16 | 16 Channel Relay Contact Output

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  • Manufacturer: Allen-Bradley

  • Product No.: 1746-OW16

  • Product Type: Relay Contact Output Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 530g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Allen-Bradley SLC 500 Relay Output Module 1746-OW16

The Allen-Bradley 1746-OW16 is a 16-point relay output module for the SLC 500 system. It provides flexible switching for both AC and DC loads using reliable Form-A relay contacts, organized into two isolated groups.

Technical Specifications

  • Brand & Model: Allen-Bradley 1746-OW16
  • Series: SLC 500 I/O Module
  • Module Type: 16-Point Relay Output (Form-A)
  • Output Channels: 16 Normally Open (NO) Relay Contacts
  • Voltage Range: 5-265V AC, 5-125V DC
  • Grouping: 2 groups of 8 points
  • Current per Point (AC): 1.5 A @ 120V AC
  • Current per Point (DC): 1.2 A @ 24V DC
  • Continuous Current per Common: 8.0 A AC
  • Continuous Current per Module: 16.0 A AC total
  • Minimum Load Current: 10 mA @ 5V DC
  • Off-State Leakage: 0 mA
  • Response Time: 60 ms (ON), 2.5 ms (OFF) typical
  • Electrical Life: 100,000 cycles at rated load
  • Module Weight: 0.53 kg

Key Features

  • 16 independent Form-A (SPST-NO) relay contacts
  • Wide voltage compatibility for AC and DC loads
  • Isolated commons (2 groups of 8) for wiring flexibility and noise reduction
  • Mechanical relay design provides true galvanic isolation
  • Suitable for mixed load applications (lamps, solenoids, small motors)

Installation & Wiring

  • Installs in any slot of an SLC 500 chassis
  • Connect loads to the relay's common and NO terminal
  • Observe the 8-point grouping for proper common connection
  • Ensure load current does not exceed 1.5A AC or 1.2A DC per point
  • Use external suppression for highly inductive loads to extend relay life

Shipping Information

  • 1x 1746-OW16 relay output module
  • Approximate shipping weight: 0.8 kg
  • Secure protective packaging
  • Shipped via FedEx, UPS, or DHL

FAQ

  • What is a Form-A relay contact?
    A Single-Pole, Single-Throw, Normally Open (SPST-NO) contact. It closes when energized, providing one switching path.
  • Can I switch an AC load on one channel and a DC load on another?
    Yes, because the relays are mechanical and provide full isolation. You can have different voltage types and levels on different channels, as long as each is within its group's common rating.
  • Why is there a minimum load current requirement?
    It ensures reliable contact wetting (cleaning of microscopic oxidation) for low-power signals like PLC inputs or LED indicators, preventing contact failure over time.

Product Resources

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🏷️ Tags: Relay Contact Output Module
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