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        T8850

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        The ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA is a high-density field termination unit used to connect Trusted TMR output modules with field devices. It supports up to 40 output channels and ensures structured signal routing for analogue and digital outputs in industrial control systems.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for T8850

        • Manufacturer:
          ICS Triplex
        • Part Number:
          T8850
        • Product Family:
          Trusted Triple Modular Redundant
        • Field Supply:
          60 Vdc maximum via T8290 (3)
        • Power Dissipation:
          0.5 W per power group
        • Power group to Power group:
          50 V Reinforced (continuous) (1) [Type tested at 1411 Vdc for 60 s].
        • Field Common:
          50 V Reinforced (continuous) (1); 250 V Basic (fault) (2) [Type tested at 2436 Vdc for 60 s].
        • Channel to Channel (within Power Group):
          None
        • Operating Temperature:
          0 °C to+ 60 °C (+32 °F to +140 °F)
        • Storage Temperature:
          -25 °C to +70 °C (-13 °F to +158 °F)
        • Relative Humidity – Operating and Storage:
          10 % – 95 %, non-condensing
        • Vibration:
          5 to 8.4 Hz, 3.5 mm ; 8.4 to 150 Hz, 1g.
        • Shock, operating:
          15 g, 11 ms
        • Weight:
          0.62 kg
        • Estimated shipping dimensions:
          30.2x12.5x6.2cm
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen, Fujian, China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Installation & Protection Monitoring Application

        Features:

        • Supports 40 output channels arranged in five isolated power groups, enabling structured signal distribution and improved electrical separation.
        • Designed for TS32 and TS35 DIN rail mounting, allowing flexible installation in both horizontal and vertical orientations.
        • Equipped with SmartSlot functionality and LED indicators per power group, improving maintenance efficiency and real-time status monitoring.
        The ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA is commonly used in large-scale automation systems where high channel density and reliable signal termination are required. It provides a centralized interface for connecting Trusted TMR output modules to field devices, ensuring stable and organized signal distribution. The grouped channel design helps simplify wiring complexity in control cabinets.

        In industrial environments, the ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA performs reliably under conditions involving vibration, humidity, and temperature fluctuations. Its structured layout and DIN rail compatibility make it suitable for compact cabinet installations. LED indicators per power group enhance operational transparency during commissioning and maintenance.

        The ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA also contributes to system scalability by supporting a large number of output channels within a single termination assembly. Compared to lower-capacity termination modules in the same Trusted family, it reduces space usage and wiring effort while maintaining isolation integrity. This makes it suitable for complex distributed control applications requiring both reliability and expansion capability.

        The T8850 ICS Triplex Trusted 40 Channel Analogue or Digital Output FTA may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA Specs

        General

        • Manufacturer ICS Triplex
        • Model T8850
        • Condition New Original ready stock
        • Product Family T8824,T8805,T8802
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Rail Integration: Supports standard DIN rail mounting, allowing for quick connection to the Trusted controller rack via pre-installed cables, simplifying panel wiring.
        • Channel Isolation: Provides electrical isolation between the field side and the system side, preventing external circuit faults (such as surges or short circuits) from being directly fed back to the control core.
        • Physical Protection: Robust construction supports enhanced circuit protection via external fuses or power distribution terminals, ensuring physical support under high-density output.
        • Quick Maintenance: Modular wiring design facilitates circuit tracing and maintenance by field technicians without interfering with system operation.
        • Circuit Integrity: Works with the controller to achieve real-time monitoring of field load disconnections or short circuits, ensuring accurate delivery of critical control signals.
        • Status Transparency: Integrated diagnostic functions automatically upload the health status of field channels to the host computer, reducing safety hazards.
        • High Availability Design: In a redundant system architecture, ensures that a single channel failure does not affect the overall process flow's safety protection functions.
        • Interlocking Protection: Supports the triggering of critical actions in emergency shutdown (ESD) or fire and gas systems (F&G), meeting the stringent requirements of functional safety circuits.
        • Oil and Gas Emergency Handling: Used to drive the solenoid valve output of critical shut-off valves (SDVs) in offshore platforms or refineries.
        • Large Turbine Control: Used for auxiliary machine logic control of gas turbines or compressors, ensuring reliable interlocking of auxiliary pumps, fans, and other equipment.
        • Energy Distribution Switching: Executes circuit breaker tripping or closing commands in power automation systems, enabling rapid and safe load switching.
        • Chemical Process Protection: In fine chemical production lines, serves as the output terminal of the Safety Instrumented System (SIS), executing process alarms and shutdown logic.
        Description
        The ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA is designed as a dedicated interface between Trusted Triple Modular Redundant (TMR) output modules, including T8451, T84611, and T8480, and external field devices. It provides a stable and organized termination point for output signals, ensuring consistent electrical connectivity in control applications. The ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA supports both analogue and digital output signals, allowing flexible deployment across different system configurations.

        The structure of the ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA is based on 40 channels arranged into five independent power groups, each containing eight channels. This grouping approach enhances electrical organization and supports isolation between power sections. The ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA operates with a 24 Vdc field power system and supports up to 60 Vdc maximum via T8290, ensuring compatibility with a wide range of field power setups.

        From an electrical safety perspective, the ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA provides 50 V reinforced continuous isolation between power groups and field common, along with 250 V basic fault-level isolation. Power dissipation is limited to 0.5 W per power group, contributing to stable thermal performance during continuous operation. The ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA also indicates field power status through a dedicated LED for each power group, improving system visibility.

        Mechanically, the ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA is designed for DIN rail mounting on TS32 or TS35 rails and supports both horizontal and vertical installation orientations. It uses screw clamp terminals for field and power wiring, supporting conductor sizes from 12 AWG to 28 AWG. Compared with lower-channel termination units in the Trusted range, the ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA provides significantly higher channel density, reducing cabinet space requirements while maintaining structured multi-group separation.
        Alternative Names
        T8870 T8871 T8846 T8842 T8835 T8833 T8832 T8831 T8830 T8825
        Technical notes
        The ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA provides 40 output channels in five groups of eight channels, operates with 24 Vdc field power and supports up to 60 Vdc via T8290, offers 50 V reinforced continuous isolation between power groups and field common and 250 V basic fault isolation, power dissipation is 0.5 W per power group, channel to channel isolation within group is none, operating temperature is 0 °C to +60 °C, storage temperature is -25 °C to +70 °C, relative humidity is 10% to 95% non-condensing, vibration is 5–8.4 Hz at 3.5 mm and 8.4–150 Hz at 1 g, shock is 15 g for 11 ms, DIN rail mounted on TS32 or TS35, screw clamp terminals support 12–28 AWG wiring, includes SmartSlot and JDH2/JDH1 connectors, and provides LED indication per power group.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What is ICS Triplex T8850 Trusted 40 Channel Analogue or Digital Output FTA used for?
        It is used to terminate and connect output signals from Trusted TMR output modules such as T8451, T84611, and T8480 to field devices, supporting both analogue and digital outputs across 40 channels in industrial control systems.
        What makes the channel structure important?
        The 40 channels are arranged into five isolated power groups of eight channels each, which improves wiring organization, simplifies field connections, and enhances electrical separation between groups.
        How is power managed in the unit?
        Each power group operates on 24 Vdc field power and supports up to 60 Vdc via T8290, with LED indicators providing clear visibility of power status for each group.
        Why is it suitable for industrial environments?
        It operates reliably in environments ranging from 0 °C to +60 °C in operation and -25 °C to +70 °C in storage, while also withstanding vibration, shock, and high humidity conditions typical of industrial sites.

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