American Fibertek RTX-81B-SL Power Fail Safe, NO/NC Outputs
SKU
RTX-81B-SL
Model No
RTX-81B-SL
$1,172.00
Product Highlights
- 4 Channels Bi-Directional, Form-C (Normally Open or Normally Closed) Dry Contact Closure
- Latching Relays reduce power requirement
- User-Selectable feature maintains Contact Status through Power-Cycle and Loss-of-Optical-Power
- User Control to Reset all Contact Status
- Diagnostics: Power, Optical Presence and Channel Indicators

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The American Fibertek RTX-81B-SL Power Fail Safe device offers reliable multiplexing of 8 channels (4 contact in and 4 contact out) via a singlemode fiber connection. Designed for efficiency, this system maintains contact status even through power interruptions, ensuring seamless operation. With built-in diagnostic indicators and easy-to-use control features, the RTX-81B-SL simplifies installation and maintenance while providing consistent performance.
American Fibertek RTX-81B-SL Key Features
- 4 Channels Bi-Directional: Provides flexible, form-C (Normally Open or Normally Closed) dry contact closure for versatile applications.
- Latching Relays: Reduce power consumption, making the device more energy-efficient.
- User-Selectable Feature: Keeps contact status stable during power cycles and loss of optical power, enhancing reliability.
- User Control Reset: Easy management to clear all contact statuses, ensuring a quick return to the default state.
- Diagnostic Indicators: Visual indicators for power, optical presence, and channel status offer immediate system health insights.
- High Density DB26 Connector: Convenient connectivity with an adaptor to screw terminal, streamlining installation.
American Fibertek RTX-81B-SL Detailed Specifications
| Channels | 8 Total (4 In, 4 Out) |
| Contact Type | Form-C (NO/NC) |
| Latching Relay | Yes |
| Power Requirement | Reduced due to latching relays |
| Features | User-selectable contact status maintenance |
| Reset Control | Available to restore default states |
| Indicator LEDs | 8 Channel Status Indicators |
| Connector Type | High Density DB26 with screw terminal adaptor |
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