Primary Diaphragm N4 SOR Pressure Switches with SPDT Switching Element

6 NN- K 5 - M4 -C2A- YY

Basic SOR pressure switches with standard wetted parts are normally suitable for air, oil, water

and non-corrosive processes. Corrosive service and particular customer requirements may require

optional components. Refer to How to Order on page 3 to locate optional components, such as,

housing, switching elements, diaphragm systems, pressure ports and accessories. Each position in

the model number, except Accessories, must have a designator.

Weatherproof Model Number	Adjustable Range (increasing pressure) psi (in. wc.)
12NN - N66 - N4 - B1A	(0.6 to 2.5)
12NN - K614 - N4 - B1A	(2.5 to 45.0)
12NN - K2 - N4 - B1A	0.4 to 2.0
12NN - K4 - N4 - B1A	0.5 to 6.0
12NN - K5 - N4 - B1A	0.75 to 12
12NN - K45 - N4 - B1A	1 to 16

Weatherproof Model Number	Adjustable Range (increasing pressure) psi
4NN - K2 - N4 - B1A	2 to 8
4NN - K4 - N4 - B1A	2 to 25
4NN - K5 - N4 - B1A	3 to 50
4NN - K45 - N4 - B1A	4 to 75

Standard Construction

• Housing: NN - aluminum; L - cast iron

• Switching Element: SPDT; N - 10 amps @

250 VAC; K - 15 amps @ 250 VAC

• Diaphragm & O-ring: N4 - primary (wetted)

diaphragm, TCP; o-ring (wetted) Buna-N

• Pressure Port: 1/4” NPT(F); B1A - aluminum;

F1A - carbon steel

Product Tags:

N4 SOR Pressure Switches

      

Primary Diaphragm Pressure Switches

      

SPDT Switching Element Pressure Switches

      

Primary Diaphragm N4 SOR Pressure Switches with SPDT Switching Element Images