The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications requiring single or multiple switch functions. Two - and three-way switch versions provide multiple outputs for alarm and shutdown,

Early warning and alarm, upper/lower limit or horizontal subsection function.

A variety of micro switch and process connection options as well as weatherproof housing make the 400 Series ideal for most ordinary positioning applications. To ensure its use within the scope of certification and certification by proxy standards.

Widely used throughout the process industry, the 400 Series provides threshold protection and control for many critical functions. Typical units are for industrial gas production, energy production including pumps, turbines and compressors, pulp and paper, and water and wastewater treatment.

Rugged, NEMA 4X, epoxy-coated case

SPDT or DPDT switch output

Easy access wiring

Single switch volume output

Internal reference ruler and adjustable dead zone available

Adjustable range: 30 "Mercury VAC to 5000 lb

1 bar Vac to 344 bar

0.2 "wcd to 500 psid

0.5 mbar to 34.5 bar d

-180 to 650F

-117 to 340C

Certification: UL, CSA, CE, TUV

UL certification and cUL certification.

CE complies with low voltage instruction and pressure equipment instruction.

Optional ATEX or GOST intrinsic security standards

Single switch (SPDT or DPDT) output

Welded stainless steel diaphragm type

Ultra-low pressure, "WC model

Optional sensor material against corrosive media

Polished stainless steel group for recessed mounting connections

The pump switch mode has a wide range of adjustable dead zones