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All About the Stamford S5L1D-E41 Alternator

What is the Stamford S5L1D-E41 Alternator?

The Stamford S5L1D-E41 Alternator is a mid range alternator from the S5 series. The alternator has been designed with the customer in mind and optimised for power density. The S5L1D-E41 includes the new enhanced thermal management cooling system which helps improve the alternators power density and increase its thermal capabilities.

The excitation system on this alternator is self exciting but it does also have the option of being excited separately by a PMG excitation system.

Where is the Stamford S5L1D-E41 Alternator currently manufactured?

As of January 2020, the S5L1D-E41 is made in Craiova (Romania) and Wuxi (China).

To learn more about where Stamford manufacture their products, click here.

What is the power rating of the Stamford S5L1D-E41 Alternator?

Running this alternator at 50 Hz will produce a maximum prime power output of 610 kVA and a maximum standby power output of 665 kVA. The voltage output range at 50 Hz is 380 to 440 volts.

Where can I find further information on the Stamford S5L1D-E41 Alternator?

The material insulation class for this 4 pole alternator is class H.

The total weight of the alternator is 1563 kg. The shipping weight is 1655 kg and the dimensions of the packing crate are 166 x 87 x 124 cm.

The IP rating of thus alternator is IP 23.

How is the quality of a Stamford S5L1D-E41 Alternator assured?

As with all Stamford alternators, this product is produced to the quality assurance standard BS EN ISO 9001. This means the production procedures of the alternator are continually monitored.