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ML50.111

Product catalog summary

Specifications:
The PULS MiniLine power supply offers a 24-28 V DC output with a power capacity of 50 W. It supports a wide input voltage range from 100-240 V AC, with permissible limits from 85-264 V AC and 85-375 V DC. The unit features a DCok output and utilizes PULS Overload Design™, allowing it to deliver up to 1.5 times the nominal current without switching off during overloads. It is designed for reliable parallel operation with load sharing and is classified as an NEC Class 2 Power Supply.

Input and Efficiency:
The input current is less than 1.0A at 100 V AC and less than 0.6A at 196 V AC for a 50 W output. The power supply does not require external fusing due to its internal fuse. It has transient immunity according to VDE 0160 / W2 standards. The efficiency is typically 88.5% at 230 V AC with a 24 V / 2.1 A output, and the unit has a mean time between failures (MTBF) of approximately 600,000 hours.

Construction and Installation:
The power supply is housed in a robust plastic casing with a fine ventilation grid, ensuring IP20 protection. It measures 45mm x 75mm x 91mm and weighs 240g. The unit is designed for easy snap-on mounting onto a DIN rail and requires no tools for removal. It features plug connectors for input and output, with specific wire size ranges and recommended strip lengths.

Output Characteristics:
The output voltage is adjustable between 24-28 V, with a preset of 24 V ±0.5% at 2.1 A. It includes overvoltage protection and noise suppression, maintaining radiated EMI values below EN 61000-6-3 standards. The unit supports continuous loading up to 2.1 A at 24 V and 1.8 A at 28 V, with overload behavior allowing up to 1.5 times the rated current.

Environmental and Safety Standards:
The operating temperature range is from -10°C to +70°C, with a storage and transport range of -25°C to +85°C. The unit complies with various electromagnetic emission and immunity standards, including EN 61000-6-3 and EN 61000-6-2. It meets safety approvals for EU, USA, and Canada, including EN 60950 and UL 60950.

Additional Features:
The power supply includes a green LED operation indicator and a DC OK output for feeding a 24 V relay. It is designed with easy-to-reach terminals and distinct input/output wire access to prevent mix-ups.

Catalog excerpts

PULS MiniLine: practical, versatile and reliable like the SilverLine – yet small like no other: Data sheet with plug-in screw terminals • 24-28 V DC/50 W output power • 100-240 V Wide Range Input (85-264 V AC permitted) • DCok output • PULS Overload Design™ (does not switch off at overload but delivers up to 1.5 times nominal current) • with load sharing for reliable parallel operation • NEC Class 2 Power Supply PULS GmbH, Arabellastrasse 15, D-81925 Munich Tel. +49.(0)89.9278-244, Fax: +49.(0)89.9278-199 [email protected], http://www.puls-power.com

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Technical Data ML50.111 Input Output (incl. Logic) Input voltage AC100-240V (Wide Range), 47...63 Hz Admiss. limits: AC 85...264V (DC 85...375V) Output voltage • preset Input current DV 24-28V, adj. by front panel potentiometer 24V ±0.5% @ 2.1A (25V at no load, see ’Parallel operation’) Voltage regulation External Fusing Not required, unit provides internal fuse (T3AH, not accessible) stat. ±2.5% Vout (see ’Parallel operation’) dyn. ±2% Vout overall Transient immunity Transient resistance acc. to VDE 0160 / W2 (750V / 1.3ms), over entire load range Hold-up time (see diagram below) Overvoltage...

Open the catalog to page 2

ML50.111

ML50.111

Catalog excerpts

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