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The Siemens DTF321R is a 3-pole, 30A, 240V double-throw transfer switch intended for load transfer between power sources. It is rated for continuous operation at 30A and 240V AC with a supply frequency of 50/60 Hz. The switch uses mechanical lugs for electrical connection and a double-throw actuating element. It is housed in a Type 3R steel enclosure suitable for outdoor use and can be surface mounted. The operating temperature range is -29°C to 85°C with a mechanical service life of 10,000 cycles. This switch is designed for reliable power source switching in commercial and industrial applications.
240 V
-29°C to 85°C
30 A
3 poles
Type 3R
Double Throw
10000 cycles