What is the Stamford S4L1D-G1 Alternator?

The S4L1D-G1 is from the Stamford S4 range of alternators. These alternators have been designed with power density in mind. They include a new enhanced thermal management system which improves the thermal performances of the alternators as well as increasing their power density.

The S4L1D-G1 ships with a self exciting excitation system as standard but it also comes with the option of a PMG excitation system.

Where is the Stamford S4L1D-G1 Alternator currently manufactured?

As of the start of 2020, the S4L1D-G1 is made in Ahmednagar (India), Wuxi (China), Stamford (UK) and Craiova (Romania).

To find out more about where Stamford manufacture their alternators, click here.

What is the power rating of the Stamford S4L1D-G1 Alternator?

The maximum prime power output of this alternator is 450 kVA and the maximum standby power output is 500 kVA (both at 50 Hz). The power factor for this alternator is 0.8.

Where can I find further information on the S4L1D-G1 Alternator?

The total weight of the alternator is 1190 kg. When shipping, the total weight is 1260 kg (including shipping crate). The size of the shipping crate is 155 x 87 x 107 cm.

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

The IP rating for the alternator is IP 23.

How is the quality for the S4L1D-G1 Alternator assured?

The S4L1D-G1 is manufactured to the quality assurance certification BS EN ISO 9001. Therefore all production procedures are continually monitored and maintained to a high standard.