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Technical Specifications:
| Parameter | Value |
|---|---|
| Output Voltage | 24 V DC (Adjustable: 21 V to 28 V) |
| Rated Output Current | 20 A |
| Rated Output Power | 480 W |
| Peak Output Power (10 s) | 576 W (120% of Rated) |
| Input Voltage Range | 85 V AC to 264 V AC (Single-Phase) |
| Input Frequency | 47 Hz to 63 Hz |
| Efficiency (at Rated Load) | ≥ 92% (Typical 93%) |
| Power Factor (at Rated Load) | ≥ 0.99 (Active PFC) |
| Output Voltage Accuracy | ±1% (Line Regulation), ±0.5% (Load Regulation) |
| Output Ripple & Noise | ≤ 100 mV peak-to-peak |
| Output Adjustment Range | 21 V to 28 V DC (Trimmer Potentiometer) |
| Operating Temperature | -25°C to +70°C (Full Load Derating Above 50°C) |
| Protection Functions | Overcurrent (OCP), Overvoltage (OVP), Short Circuit (SCP), Overtemperature (OTP) |
| Cooling Method | Convection Cooling (IC01), No Fan |
| Protection Rating | IP20 |
| Dimensions (W × H × D) | 125 mm × 120 mm × 90 mm |
| Weight | Approximately 1.6 kg |
| Mounting | DIN Rail (EN 60715, 35 mm Top Hat Rail) |
| Approvals | CE, UL 508, cUL, TÜV, CCC |
Functional Features:
- High Efficiency (≥ 92%) — Minimizes heat generation and reduces energy costs
- Active Power Factor Correction (PFC) — PF ≥ 0.99, complies with EN 61000-3-2 (Harmonic Current Limits)
- Wide Input Voltage Range (85-264 V AC) — Suitable for global deployment without transformer
- No Fan Design (Convection Cooled) — Zero maintenance, silent operation, no dust ingestion
- Adjustable Output Voltage — 21 V to 28 V DC via front-panel potentiometer
- Comprehensive Protection — OCP (110-150% of rated current), OVP (115% of set voltage), SCP (Auto-Recovery), OTP (Thermal Shutdown at 85°C)
- Parallel Operation Capable — Up to 6 units in parallel with current sharing (external diode required)
Structure & Material Composition:
- Housing: Steel Sheet (SECC), Powder-Coated RAL 7035 Gray
- PCB: FR-4, Double-Sided, Conformal Coated (Silicone)
- Heat Sink: Aluminum Extrusion (Internal), Natural Convection Fins
- Terminals: Screw Terminals (5.08 mm Pitch), 4 mm² Maximum Wire Size
- Input Connector: IEC 60320 C14 (Detachable Power Cord)
- Output Connector: Screw Terminal Block (2-Pole, 10 mm² Maximum)
Working Principle:
The BM5030-SW20-00 is a switch-mode power supply (SMPS) using high-frequency PWM (Pulse Width Modulation) topology. AC input is rectified and filtered, then switched at 65 kHz by MOSFET transistors through a high-frequency transformer. The secondary side is rectified and filtered to produce stable 24 V DC output. Active PFC (Boost Converter Stage) shapes the input current to follow the input voltage waveform, achieving PF ≥ 0.99. The output voltage is regulated by a feedback loop controlling the PWM duty cycle. Protection circuits continuously monitor output current, voltage, and internal temperature, shutting down the converter if any parameter exceeds safe limits.
Applicable Industries:
- Servo Drive Power Supply (BM4/BM5 Series Drives)
- PLC and Control Cabinet Power
- HMI and Operator Panel Power
- Sensor and Actuator Power
- General Industrial Automation
- Machine Vision Systems
- Robotics Controller Power
Installation Requirements:
- Mounting: DIN Rail 35 mm (EN 60715), Vertical or Horizontal (Vertical Preferred for Cooling)
- Input Wiring: 2.5 mm² Minimum, Fuse Rating: 10 A (Time-Delay, gG)
- Output Wiring: 4 mm² Minimum for 20 A Load, 6 mm² for Peak Load
- Clearance: 50 mm Above, 30 mm Below, 20 mm Sides (for Convection Cooling)
- Ambient Temperature: -25°C to +50°C at Full Load; Derate 2% per °C from 50°C to 70°C
- Earthing: Protective Earth (PE) Must Be Connected, Resistance < 0.1 Ω
Usage Precautions:
- Do not exceed 20 A continuous output current — triggers overcurrent protection
- Input fuse must be installed on the line side (L1) before the power supply
- Do not operate without a load at full input voltage — minimum 10% load required for regulation
- Do not block ventilation openings — overheating will trigger thermal shutdown
- For parallel operation: use Schottky diodes (minimum 40 V, 30 A) on each output
- Do not adjust output voltage above 28 V DC — will damage connected equipment
- Storage temperature: -40°C to +85°C (non-operating)
