Part Number: 6ES7407-0KA02-0AA0; Model: 6ES7407-0KA02-0AA0; Product Name: Power Supply Module (PS 407)
Brand: Siemens (Global Leader in Industrial Automation, Control and Digitalization Solutions)
Product Category: Industrial-Grade Power Supply Module, Belonging to Siemens S7-400 Series PLC, Designed for Reliable Power Supply in Heavy-Duty Industrial Automation Systems
Core Application: Widely used in S7-400 PLC systems, industrial control cabinets, automated production lines, process control systems, and critical automation scenarios requiring stable and uninterrupted power supply. Suitable for harsh industrial environments such as manufacturing, petrochemical, power generation, and automotive production.
Core Features: Compact DIN rail-mounted design for space-efficient installation; Wide input voltage range with AC/DC compatibility; High power conversion efficiency and low power loss; Comprehensive built-in protection mechanisms; Hot-swappable capability for maintenance without system shutdown; Excellent compatibility with Siemens S7-400 series modules and other industrial components.
2. Core Electrical Specifications
2.1 Input Parameters
Input Voltage Type: AC/DC Universal Input; AC Input Range: 85-264 VAC (50/60 Hz, Single-Phase); DC Input Range: 110-300 VDC;
Input Current: AC Input ≤ 4 A (At 85 VAC), ≤ 2 A (At 230 VAC); DC Input ≤ 1.5 A (At 110 VDC), ≤ 0.8 A (At 300 VDC);
Inrush Current: ≤ 30 A (Peak, At 230 VAC Input); Input Power Factor: ≥ 0.95 (At Full Load, 230 VAC Input).
2.2 Output Parameters
Output Voltage: 24 VDC (Stabilized); Output Current: 10 A (Rated), 15 A (Peak, Short-Term);
Output Voltage Regulation: ±0.5% (At Rated Load and Nominal Input Voltage); Ripple & Noise: ≤ 150 mVpp (Peak-to-Peak);
Efficiency: ≥ 91% (At Full Load, 230 VAC Input, 25℃ Ambient Temperature); Output Response Time: ≤ 10 ms (For Load Changes from 10% to 100% of Rated Load).
2.3 Protection Functions
Overcurrent Protection: Trips at 12-18 A (Adjustable), Auto-Recovery After Fault Removal;
Overvoltage Protection: Triggers at ≥ 28 VDC, Latch-off Mode (Requires Power Cycle to Reset);
Undervoltage Protection: Activates at ≤ 20 VDC, Restores Automatically When Voltage Recovers;
Additional Protection: Built-in reverse polarity protection, overheating protection (Triggers at ≥ 85℃), short-circuit protection (Instantaneous Trip, Non-Destructive), and surge protection (Compliant with IEC 61000-4-5).
