Description
Mean Well PID-250B Industrial Grade 250W Dual-Output Open Frame Switching Power Supply engineered for process control, robotics, and industrial automation environments. Equipped with built-in active Power Factor Correction (PFC) and dual galvanically isolated output rails (24V DC / 5V DC), this unit provides multi-channel power distribution while handling dynamic peak current surges required by electromechanical systems.
Model Reverse-Engineering Logic:
Series Identifier: PID (Isolated Dual-Output Industrial Power Supply with Active PFC)
Continuous Power Rating: 250W continuous forced-air envelope (180W free air convection)
Voltage Output Code: B (Primary Rail: 24V DC, Secondary Rail: 5V DC)
Electrical Input Specifications:
AC Input Voltage Range: 90 to 264 VAC
DC Input Voltage Range: 127 to 370 VDC
Input Frequency: 47 to 63 Hz
Power Factor: PF > 0.95 at 230 VAC full load, PF > 0.98 at 115 VAC full load
AC Inrush Current: 33A at 115 VAC, 65A at 230 VAC (Cold start at 25°C)
Input Leakage Current: < 2.0 mA at 240 VAC
Efficiency: 83% typical at nominal load
Electrical Output Specifications:
Channel 1 (V1 Primary Rail): 24V DC
Channel 1 Rated Current (Convection): 6.3A
Channel 1 Rated Current (25 CFM Forced Air): 9.4A
Channel 1 Peak Output Current: 14.5A (Duration: max 3 seconds)
Channel 1 Voltage Adjustment Range: 23.0V to 26.0V DC
Channel 1 Ripple and Noise: 150 mVp-p
Channel 2 (V2 Secondary Rail): 5.0V DC
Channel 2 Rated Current (Convection): 5.0A
Channel 2 Rated Current (25 CFM Forced Air): 5.0A
Channel 2 Ripple and Noise: 80 mVp-p
Total Output Power: 178.6W convection cooled, 250.6W with 25 CFM forced air cooling
Line Regulation: ±0.5% (CH1), ±1.0% (CH2)
Load Regulation: ±1.0% (CH1), ±3.0% (CH2)
Setup, Rise, Hold-up Time: 1000 ms, 30 ms, 16 ms at full load
Protections & Diagnostics:
Overload Protection: 105% to 135% rated output power; constant current limiting with auto-recovery
Overvoltage Protection: 27.6V to 32.4V on CH1; output shutdown, cycle AC input to reset
Overtemperature Protection: Thermal shutdown triggered by internal heatsink sensor; auto-recovery upon cooling
Short Circuit Protection: Hiccup mode, continuous, automatic recovery upon fault clearance
Mechanical & Environmental Specifications:
Form Factor: Open Frame U-Bracket Mounting Chassis
Dimensions: 222 mm x 106 mm x 35 mm (L x W x H)
Weight: 0.68 kg
Cooling System: Free air convection up to 180W / 25 CFM external airflow for 250W continuous
Operating Temperature: -20°C to +70°C (Output derating applies above 50°C)
Operating Humidity: 20% to 90% RH non-condensing
Storage Temperature: -40°C to +85°C
Storage Humidity: 10% to 95% RH
Temperature Coefficient: ±0.03%/°C (0 to 50°C)
Vibration Resistance: 10 to 500 Hz, 2G 10 min/1 cycle, 60 min each along X, Y, Z axes
Safety, Isolation & EMC Compliance:
Safety Approvals: UL62368-1, TUV EN62368-1, EAC TP TC 004 approved
Dielectric Withstand Voltage: Input to Output: 3.0 kVAC; Input to Frame Ground: 2.0 kVAC; Output to Frame Ground: 0.5 kVAC
Isolation Resistance: Input-Output, Input-FG, Output-FG: > 100M Ω / 500 VDC / 25°C / 70% RH
EMC Emission: EN55032 (CISPR32) Class B, EN61000-3-2 Class D (Harmonics), EN61000-3-3
EMC Immunity: EN61000-4-2, 3, 4, 5, 6, 8, 11 (Heavy Industry Level)
Industrial Application Profile:
The Mean Well PID-250B resolves multi-voltage integration challenges in industrial control cabinets, CNC controller backplanes, and automated pick-and-place machinery. Channel 1 (24V) delivers steady-state power with a 14.5A peak threshold to drive inductive actuators, solenoid valves, braking coils, and 24V stepper motors without triggering false overload trips. Simultaneously, the isolated Channel 2 (5V) provides clean, low-noise DC power directly to sensitive embedded logic, DSP boards, optical encoder interfaces, and PLCs. The galvanic isolation between channels eliminates ground loop interference and shields microcontrollers from the back-EMF transients of motor switching.
Procurement & Engineering Lifecycle:
Original Engineering: Manufactured to authentic Mean Well component-level standards with verified MTBF exceeding 205,000 hours per MIL-HDBK-217F (25°C).
Technical Compatibility: Standardized footprint for seamless drop-in integration into legacy industrial sub-assemblies, DIN enclosures, and modular racks.
Lead Time: Inquire for volume-dependent factory lead time and enterprise logistics scheduling.
Key Attributes
Input Voltage: 85 ~ 264VAC or 120 ~ 370VDC
Output Voltage: 5V/24V
Place of Origin: Jiangsu, China
Model Number: PID-250B
Brand Name: MEANWELL
Application: Industry, CCTV, Led Lighting, Smart Home, Laboratory, 3D Printer, Industrial Equipment
Output Frequency: 47 ~ 63Hz
Output Type: Other
Protection: Short Circuit Protection, Overcurrent Protection, Overvoltage Protection, Over Temperature Protection, Overloading Protection
Type: AC-DC
Packaging and Delivery
Selling Units: Single item
Single package size: 22.2X9.5X4 cm
Single gross weight: 0.740 kg
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