EMPARRO POWER SUPPLY 1-PHASE,100-240VAC OUT: 24-28VDC/5A MURR ELEKTRONIK
Product Overview
The EMPARRO 85440 is a robust single-phase DC power supply designed for industrial control cabinets. It delivers a regulated 24 V DC output at 5 A (≈ 120 W), and is engineered to provide reliable, high-efficiency power with overload capability for peak loads. Thanks to its wide AC/DC input voltage range and sturdy mechanical design, it is suitable for global applications and harsh environments.
Key Technical Specifications
| Feature | Specification |
|---|---|
| Input Voltage | Approximately 85-265 V AC / ~90-250 V DC (one-phase) |
| Output Voltage / Current | 24 V DC at 5 A |
| Power Rating | ~ 120 W nominal output |
| Over-load / “Power Boost” | Capable of delivering short-term higher current (≈ 150 % overload) for startup or inrush demands |
| Efficiency | High efficiency (~ 92-93 %) under typical load conditions |
| Protection Features | Over-current, short-circuit, over-temperature protections; likely current limit behavior; LED status indication |
| Dimensions & Mounting | DIN-rail compatible (35 mm TS-35), standard enclosure dimensions for control-cabinet mounting |
| Operating Temperature | From sub-zero (around -25 °C) up to elevated ambient (≈ +60 °C), with derating above certain temperature thresholds |
| Certifications & Compliance | CE mark; likely RoHS-compliant; built for compliance with relevant IEC/EN standards for power supplies used in industrial applications |
Engineering Insights
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Wide Input Range: Allows use across different supply grids or in installations where line voltage variation is significant (e.g. 110 V vs 230 V zones), or where a backup DC source may be used.
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High Overload Capacity: The built-in “power-boost” or short overload capacity helps during startup of large loads (e.g. motors or large capacitive loads), preventing unnecessary size overspecification.
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Good Thermal Management: Given the 5 A output at 24 V (~120 W), efficient heat dissipation and possibly ventilated mounting will help maintain performance and reliability.
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Regulation & Stability: Stable regulated output with low ripple is expected, to ensure sensitive downstream electronics or control units (PLCs, sensors) perform correctly.
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Reliability & Lifecycle: Emparro line is known for solid reliability; LED status indicators aid diagnostics; protection features help extend service life.
Suggested Product Page Description
Murrelektronik Emparro 85440 – 24 V DC / 5 A Single-Phase Industrial Power Supply
Reliable, efficient, and built for industrial control environments, the Emparro 85440 delivers 24 V DC at 5 A with ~120 W output. It supports a wide 85-265 V AC or ~90-250 V DC input range, features overload protection for startup surges, and provides high efficiency to minimize heat buildup. Encased in a rugged enclosure for DIN-rail mounting, it’s ideal for control cabinets powering sensors, PLCs, or other 24 V DC equipment.
Key Features At A Glance
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24 V DC, 5 A nominal output (~120 W)
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Wide single-phase input (85-265 V AC / 90-250 V DC)
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Short-term overload capability (~150 %) for inrush/peak demands
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Built-in protections: overcurrent, thermal, short-circuit
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LED status indicators for diagnostics
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Compact, DIN-rail mountable, designed for reliability
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Suitable for operating temperatures from -25 °C up to +60 °C (derating above ambient thresholds)
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