2840A78G01(Westinghouse/Emerson)
Description
Main Application
Power feeding for QSD series servo driver in Westinghouse Ovation DCS system
Power supply for industrial servo valve, electric actuator and variable-speed motor control loop
Cabinet centralized DC voltage stabilization, overvoltage/overcurrent protection and analog signal conversion output
Electrical Technical Specifications
1. Input Power
Input Voltage: AC 110V/220V auto-adaptive, 50/60Hz industrial standard cabinet power
Rated Input Power Consumption: Approx. 25W
2. Output Parameters
Main DC Power Output: ±24VDC for servo power loop
Analog Control Output: ±24mA standard current signal for servo valve driving
Dielectric Isolation: ≥2500VAC between input & output circuit
3. Ambient & Protection Specs
Operating Ambient Temp: 0℃ ~ +55℃ (indoor cabinet installation)
Storage Temperature: -40℃ ~ +85℃
Built-in protection: OVP(Over Voltage Protection), OCP(Over Current Protection), auto-lock under short-circuit fault
4. Interface Design
Mechanical Dimension & Physical Specification
Overall Dimension: L132.5mm × W80mm × H15mm
Net Weight: ~520g (1.15lbs)
Housing: Black flame-retardant engineering plastic with ventilation slots for passive heat dissipation
Mounting Method: Standard DIN rail snap-on + original rack backplane plug-in dual installation
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