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As a North American Authorized and ISO 9001:2008 Registered Distributor of ABSOPULSE Electronics Ltd., Power Sources Unlimited, Inc. brings you the best in product selection assistance and product pricing for your requirements. ABSOPULSE Electronics Ltd. specializes in the design and manufacture of high-reliability, heavy-duty switch-mode power conversion products for railway, industrial, airborne, military, marine, mining, utility and telecommunications applications.

Rugged designs for very harsh environments.Designed to ensure reliable operation under extreme field conditions, ABSOPULSE’s rugged lines of power supplies operate in extended ambient temperatures ranging from -55°C to +85°C. They are immune to shock, vibration, dust, moisture, humidity, salt, chemicals, oil and fog. Most designs are baseplate/conduction/convection cooled. They are typically designed to meet EN50155, EN50121-3-2 railway standards, UL508, EN60950 and equivalent standards for heavy industry, DO160 for airborne applications as well as MIL-STD-461 and MIL-STD-810 military standards.

Field-proven designs offer high efficiency and full protection against surges and transients, contributing to low lifecycle costs. With most designs meeting EN55022 Class B requirements, they can be safely used in EMI sensitive environments. A wide range of options include output fail alarms, redundancy, multiple inputs or outputs. Generous design headroom and the use of high quality components contribute to high MTBF ratings. All ABSOPULSE power supplies are designed for a minimum operating life of 20 to 30 years.