Bel Fuse / Power-One MAP55-4003 AC-DC Power Supply

The Bel Fuse/Power-One MAP55-4003 is a 55W AC-DC power supply designed for industrial and commercial applications, offering reliable and tightly regulated DC power. It features a wide AC input voltage range and comprehensive international safety, EMI, and ESD compliance. The power supply utilizes a thermally efficient U-channel chassis design, enabling full power operation in convection-cooled environments. Mechanical innovations include metric and SAE mounting inserts for integration flexibility, and dual-mode connectors that support both traditional terminal block connections and Molex connector mating. The MAP55-4003 is noted as being obsolete by the manufacturer.

### Technical Specifications

**General:**
* **Manufacturer:** Bel Fuse / Power-One
* **Model:** MAP55-4003
* **Type:** AC-DC Power Supply Module
* **Power Rating:** 55 W
* **Lifecycle Status:** Obsolete (discontinued by manufacturer)
* **Approvals:** CE, CSA, TUV, UL
* **RoHS Compliant:** Yes
* **MTBF:** Greater than 225,000 Hours (also cited as >311,000 Hours in a different context)

**Electrical:**
* **Input Voltage Range:** 90 VAC to 264 VAC; Universal input 85-264 VAC
* **Nominal Input Voltage:** 110 VAC / 220 VAC applications
* **Input Current:** 2 Amps (nominal)
* **Frequency:** 50/60 Hz
* **Output Power (Total):** 55 W
* **Output Voltage/Current Configurations:**
* +5 VDC / 6 A
* +15 VDC / 2.5 A
* -5 VDC / 0.5 A
* -15 VDC / 0.5 A
* (Note: Some sources list different current values for -5V and -15V outputs, e.g., 1A)
* **Number of Outputs:** 4
* **Line Regulation:** 0.2% (typically for +5V and +/-15V outputs)
* **Load Regulation:** ±1.5% (typically for +5V output), ±1% (typically for +/-15V outputs)
* **Ripple & Noise:** 1% (typically)
* **Initial Setting Accuracy:** ±1% (typically)
* **Efficiency:** 73%
* **Isolation Voltage:** 2.6 kV
* **Overload Protection:** Fully protected against output overload and short circuit with automatic recovery
* **Overvoltage Protection:** Available on main output (5.5V for +5V output)

**Interfaces:**
* **Connectors:** Dual-mode connectors (terminal block and Molex single row mating)
* **Number of Pins:** 11

**Physical:**
* **Mounting Type:** Chassis Mount, Panel Mount, Screw Mount
* **Chassis Design:** U-Channel
* **Dimensions (approximate):**
* Length: 152 mm (6 inches)
* Width: 83.1 mm (3.27 inches)
* Height: 40.64 mm (1.6 inches)
* **Weight:** 499 g (1.1 lbs), 1.30 lbs

**Compatibility:**
* **Designed for:** Telecommunications, industrial control systems, and other power-sensitive equipment [cite: Short Description]
* **Meets Standards:** EN55022 Conducted Class B Limits, EMC product standard EN 61204-3, EN 55032, EN 61000-3-2, EN 61000-3-3

Why Choose Aumictech for the Bel Fuse/Power-One MAP55-4003?
At Aumictech, we specialize in supplying high-end power supply equipment. Whether you need reliable AC-DC conversion for telecommunications infrastructure, robust power for industrial control systems, or compact, efficient power solutions for other sensitive applications, our team ensures that legacy and specialized equipment like the Bel Fuse/Power-One MAP55-4003 delivers maximum performance for your application. We understand the critical nature of stable power delivery and are committed to providing verified, quality components to support your engineering and procurement needs.