RDL TX-PD8X Switching Power Supply Distributor


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    TX-PD8X - Overview

    The TX-PD8X is the ideal choice where power distribution from a current-limited switching power supply is needed. It is suitable for powering up to eight modules from a single power supply. The current limiting circuitry in many switching power supplies will cause the supply to shut down upon power-up when a high current capacitive load is connected. Upon application of power, the TX-PD8X ramps the voltage up, charging any load capacitance as quickly as possible, then switching full voltage to the load. If reverse polarity is connected to the input, the TX-PD8X disconnects the load until the condition is corrected.

    In system design, various modules are frequently operated from a single power supply. Good engineering practice requires that the power wiring to each module originate at the power supply output. The TX-PD8X serves as the power source for each of eight modules. The TX-PD8X normally provides power to ground-referenced modules. A front-panel switch permits the installer to enable external control. When the ON terminal is connected to ground, the TX-PD8X outputs are active. External control is possible using RDL detection or control modules, open-collector outputs from OEM equipment or controllers, or using a D-RT2 RDL remote wall control. The front-panel blue LED remains illuminated when the outputs are active.

    • Features:

      • Distribution of 24 Vdc Power
      • Soft-Start from Switching Supply
      • Outputs may be Activated by an External Switch
      • Outputs may be Activated by an Open-Collector closure to ground
      • Directly Controllable by RDL Remote Controls
      • Up to 8 Power Distribution Points
      • Voltage Presence Indication
      • Reverse Voltage Protection
    • Specifications:

      • Input/Output Voltage: 24 Vdc @ 2 A (Intended for use with current limited switching supply)
      • Outputs (8): Total load current must not exceed 2 A
      • Indicator: POWER LED
      • Power Requirement: 24 Vdc @ 25 mA plus connected loads
      • Ambient Operating Environment: 0° C to 50° C
    • GTIN:


    TX-PD8X - Required Accessories

      California Residents:
      Cancer and Reproductive Harm - www.P65Warnings.ca.gov