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Siemens SIMATIC 6ES5951-7LD21

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6ES5951-7LD21

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The Siemens 6ES5951-7LD21 power supply unit belongs to the SIMATIC series and operates effectively within the voltage range of 120 to 230 volts AC. It delivers a current rating between 7 and 15 amperes, supporting various electrical requirements without the need for battery backup.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for 6ES5951-7LD21

ManufacturerSiemens
Product TypePower Supply Unit
Product LineSIMATIC
Part Number6ES5951-7LD21
Min. Voltage Rating120 V
Max. Voltage Rating230 V
Voltage TypeAC
Min. Current Rating7 A
Max. Current Rating15 A
Battery BackupWithout
Min. Operating Temperature0 degrees Celsius
Max. Operating Temperature40 degrees Celsius
Operating Humidity90% (Non-Condensing)
Storage Humidity90% (Non-Condensing)
Maximum Operating Altitude Without Derating1000 m
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The 6ES5951-7LD21 by Siemens is categorized as a power supply unit within the SIMATIC series. This device operates at an input voltage range between 120 and 230 volts AC, which accommodates various system requirements. The current rating for this power supply unit spans from a minimum of 7 amperes to a maximum of 15 amperes, ensuring it can support different electrical loads effectively.

The unit does not include battery backup, making it suitable for environments where this feature is unnecessary. It is designed to operate within a specific temperature range, with a minimum of 0 degrees Celsius and a maximum of 40 degrees Celsius, allowing for versatile placement across different conditions.

In terms of humidity, the 6ES5951-7LD21 can function efficiently with an operational humidity of up to 90% that is non-condensing, crucial for maintaining system integrity in humid environments. Storage conditions mirror these specifications, helping to prevent moisture-related issues when the unit is not in use. Additionally, it can be utilized safely at altitudes reaching 1000 meters without suffering from performance drops. This adaptability makes the power supply unit reliable within various industrial applications.