Siemens 505-6660B Power Supply

Products Description

 

The Siemens 505-6660B Power Supply Module is a rack-mount power supply designed for the SIMATIC TI505 PLC family. The 505-6660B (often listed as PPX:505-6660B) accepts 110 VAC or 220 VAC single-phase mains input and provides regulated low-voltage DC outputs required to power the TI505 controller and I/O modules. With a wide operating temperature range (-20°C to +70°C), this power supply is designed to withstand extreme environmental conditions encountered in industrial plants. Its IP20 protection level safeguards against dust and splashes of water, enhancing its durability and reliability.This module delivers reliable power for industrial automation systems and is essential for maintaining legacy Siemens PLC installations where stable DC supply is critical for PLC logic and field I/O operations. These power supplies are often used in manufacturing, processing, and automation panels with backplane mounting.

Technical specifications

 

Model: 505-6660B
Type: Power Supply Module
Series: SIMATIC TI505 Power Supply
Input Voltage: 85–132 VAC / 170–264 VAC (Nominal 110/220 VAC, 50/60 Hz)
Output Power: ~60 W DC (combined outputs)
Output Voltages: Regulated +5 V DC and –5 V DC for system logic and I/O modules
Mounting: Rack/backplane mount within the TI505 PLC chassis
Protection: Overvoltage and overload safety built in
Status Indicators: Typically includes "DC GOOD" LED to indicate proper DC output
Rated Output Current: 5A
Efficiency: 90%
Operating Temperature Range: -10°C to +60°C
Certifications: CE, UL, FCC
Protection Class: IP20

• Wide AC Input Range---The Siemens 505-6660B supports both 110 VAC and 220 VAC inputs, making it adaptable for global power environments without needing external converters.
  
• Stable DC Outputs for TI505 Systems---This power module reliably provides regulated +5 V and –5 V DC power, essential for PLC logic processing and the operation of connected I/O modules in the TI505 system.
• Robust Industrial Design---Built to withstand typical industrial environments, the 505-6660B integrates cleanly into control panels, delivering dependable power to legacy Siemens PLC racks.
• Legacy PLC Support---Although discontinued by Siemens, the 505-6660B Power Supply Module remains a crucial part for maintaining existing SIMATIC TI505 automation systems and minimizing downtime.
• Easy Status Monitoring---Many units include a DC GOOD status indicator, so operators and technicians can verify proper power output at a glance.

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