Technical Specifications
General Electric
GE D20C Controller, D20 Series RTU, D200 Substation Automation System
Industrial grade screw type terminal blocks, integrated fixed wiring framework
Digital input signal, digital output signal, analog 4-20mA signal, DC power signal, relay interlock signal
Supports solid and stranded wires ranging from 0.5mm² to 2.5mm²
Full channel galvanic isolation between field side and system internal circuit
Industrial standard high insulation withstand voltage design for power industry environment
-20°C to +70°C
-40°C to +85°C
5% to 95% relative humidity, non-condensing environment
Standard cabinet rack mounting, internal panel fixed installation
Metal reinforced bottom plate, flame retardant insulating baseplate, corrosion resistant terminal copper alloy
CE certification, IEC 61010 industrial control safety standard, power substation automation specification compliance

Functional Features
Concentrates scattered field signal lines into unified terminal layout with clear functional partition and printed marking definition, standardizing engineering wiring specifications.
Adopts independent isolation circuit for each signal channel to block electromagnetic interference and crosstalk between adjacent circuits, maintaining long-term accuracy of acquisition and control signals.
Embedded surge suppression and overcurrent protection components suppress instantaneous voltage surge from field lines, isolating fault impact and protecting rear-end D20C controller core circuit.
Adopts flame retardant, shockproof and anti-corrosion structural materials, adapting to strong electromagnetic interference, temperature fluctuation and mechanical vibration environment of power substations and industrial sites.
Front accessible terminal wiring design supports direct line inspection, wiring modification and fault point checking without dismantling internal system modules, improving maintenance efficiency.
Maintains complete electrical protocol and physical interface matching with GE D20C series equipment, realizing plug-and-play system docking without additional signal conversion configuration.
Application Scenarios
Centralized signal termination for circuit breakers, isolating switches, transformers and protection measurement devices in high and medium voltage substations.
Wiring junction and signal isolation application for remote terminal unit data acquisition and remote control output loop.
Field instrument signal arrangement and isolation protection for production device control loops and interlock systems.
Unified termination of pump unit, valve actuator and on-site sensor signal accessing to automation control system.
Centralized wiring management for workshop motor control, conveying equipment and environmental monitoring signal loops.
Standard wiring configuration and signal protection for DCS and PLC cabinet internal signal arrangement in manufacturing enterprises.










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