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This Siemens DTNF321 is a heavy-duty safety switch designed for low voltage circuit protection. It functions as a double throw switch, enabling load transfer between power sources.
Key electrical specifications include an ampacity of 30A and suitability for supply voltages up to 240V at 50/60 Hz. The switch has 3 poles and utilizes mechanical lugs for electrical connections.
Mechanically, the DTNF321 features a robust steel construction with a Type 1 housing, ensuring durability in demanding environments. Its actuating element is a double throw type. The switch is designed for surface mounting.
With a typical mechanical service life of 10,000 switching cycles, this Siemens switch is built for reliability. It carries a UL98 certificate of suitability.
30 A.
3.
Double throw.
Surface mount.
10,000 switching cycles.
Steel.
Load transfer between power sources.
