SITOP Standard Power Supply 24V/5A: Reliable S7-300 System Integration

Power Performance Specifications

• Output Rating: 24V DC at 5A continuous current capacity
• Input Compatibility: Single-phase and two-phase AC operation
• Efficiency Performance: Approximately 87% typical conversion rate
• Power Dissipation: Approximately 18W heat generation during operation
• Voltage Accuracy: ±0.3% typical, ±2.5% maximum output tolerance
• Response Time: 0.1ms typical for load transient recovery

Protection & Safety Features

• Overvoltage Protection: Additional control loop with 30V cutoff
• Auto-Restart Function: Automatic recovery after fault conditions
• Current Limiting: 5.5A to 6.5A adjustable protection range
• Short-Circuit Protection: Electronic shutdown below 9A fault current
• Safety Isolation: SELV output according to EN 60950 standards
• Leakage Current: 3.5mA maximum, 0.3mA typical safety level

Environmental Specifications

• Operating Temperature: 0°C to +60°C with natural convection cooling
• Storage Range: -40°C to +85°C for transport and storage
• Climate Classification: 3K3 according to EN 60721 standards
• Humidity Operation: Non-condensing environmental conditions
• Protection Rating: IP20 for S7-300 system integration
• Cooling Method: Natural convection without fan requirements

Certifications & Compliance

• North American Approval: UL listed according to UL 508 standards
• Canadian Certification: CSA 22.2 No.14-95 compliance
• Hazardous Location: Class I Division 2 Groups A,B,C,D T4
• EMC Emissions: EN 55022 Class B interference limits
• Harmonic Current: EN 61000-3-2 compliance standard
• Immunity Performance: EN 61000-6-2 industrial environment

Physical Dimensions & Installation

• Compact Design: 80mm × 125mm × 120mm (W×H×D)
• Lightweight Construction: 0.74kg for easy handling
• Mounting System: Snap-mounting on S7 rail standard
• DIN Rail Adapter: Mounting adapter for universal installation
• Input Terminals: 3 screw-type for 0.5-2.5mm² conductors
• Output Terminals: 3 screw-type for 0.5-2.5mm² wiring

Electrical Connections

• Terminal Type: Screw-type connectors for secure wiring
• Wire Range: 0.5mm² to 2.5mm² single-core or finely stranded
• Input Configuration: Single screw terminal per phase connection
• Output Configuration: Multiple terminals for load distribution
• Connection Comb: Optional accessory for simplified wiring
• Grounding: Proper protective earth connection required

System Integration Features

• S7-300 Compatibility: Designed specifically for Siemens PLC systems
• Modular Design: Seamless integration with automation racks
• Space Efficiency: Compact footprint for high-density installations
• Service Access: Front-facing terminals for easy maintenance
• Status Indication: Visual indicators for operational status
• Wiring Flexibility: Multiple terminal options for various applications

Package Contents

• Complete 6ES7307-1EA00-0AA0 power supply unit
• S7 rail mounting clip and installation hardware
• DIN rail adapter for universal mounting options
• Connection comb for simplified wiring arrangement
• Operation manual and technical documentation

Shipping & Delivery Options

• FedEx international priority express service
• UPS worldwide expedited delivery available
• DHL global air freight shipping option
• Professional protective packaging materials
• Quick order processing within 24 hours

Technical Application Questions

• What makes this power supply ideal for S7-300 systems?
• The specific mounting design and electrical characteristics match S7-300 requirements perfectly
• How does the automatic restart feature improve system reliability?
• After temporary fault conditions, the unit automatically resumes operation without manual intervention
• What wire preparation works best with the screw terminals?
• Use ferrules on stranded wires and ensure proper torque for reliable long-term connections
• Can this unit operate in parallel for redundant configurations?
• The design supports parallel operation when proper current sharing circuits are implemented
• What maintenance ensures optimal performance over time?
• Regular terminal inspection and cleaning of ventilation paths maintain reliability in industrial environments

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