Dwyer Instruments SERIES FSW2 Catalog Page

[131.00]

1-41/64 [41.50]

[105.00]

3-3/16 [81.00]

[110.83]

[212.50]

[16.00]

SERIES FSW2 | MERCOID® BY DWYER

FREE-FLOATING LEVEL SWITCH

Designed for Industrial Applications, Mercury-Free, Self Counter-Weighted

Level Switches,

Float

8-23/6

5/8

The Series FSW2 Free-Floating Level Switch is a self-counterweighted, mechanically actuated oating switch intended to activate electrical components, such as pumps, to

start and stop automatically. Optional cables are available. Contact factory for cable

length options ranging from 10 to 70´ (3 to 21 m).

FEATURES/BENEFITS

• Body is free of any irregularities allowing substances to effortlessly glide off and consists of a double airtight chamber with high-pressure melted polypropylene re-injection sealing to ensure a perfect seal reducing maintenance events

• High reliability with mercury-free, magnetic, mechanical internal design

• Economical pricing with multiple option available for increased versatility

• Seamless installation with self-counterweighted body and cable hangers to suit a variety of mounting applications

APPLICATIONS

• Wastewater level monitoring

• Tank level control

• High or low level alarm

• Municipal wastewater control

• Industrial wastewater control

ACCESSORIES

Model Description A-459 Cable hanger

MODEL CHART

Model Switch Type Cable Length ft (m) Model Switch Type Cable Length ft (m) FSW2-ONPN-20

FSW2-ONPN-30 FSW2-ONPN-40 FSW2-ONPN-50 FSW2-CNPN-20 FSW2-CNPN-30 FSW2-CNPN-40 FSW2-CNPN-50

4-45/64 [119.50]

SPECIFICATIONS Service: Compatible liquids, slurries.

Wetted Materials: Enclosure: Polypropylene; Cable: PVC. Operating Temperature: 32 to 122°F (0 to 50°C). Pressure Limits: 29 psi (2 bar). Enclosure Rating: IP68. Switch Type: See model chart. Electrical Rating: 10 (3) A @ 250 VAC. Mounting Orientation: Vertical. Shipping Weight: Enclosure: 2.4 lb (1100 g); Cable: 0.77 oz (21.27 g) per ft. Agency Approvals: CE.

SPST NO SPST NO SPST NO SPST NO SPST NC SPST NC SPST NC SPST NC

20 (6.10) 30 (9.14) 40 (12.19) 50 (15.24) 20 (6.10) 30 (9.14) 40 (12.19) 50 (15.24)

FSW2-DNPN-10 FSW2-DNPN-15 FSW2-DNPN-20 FSW2-DNPN-30 FSW2-DNPN-40 FSW2-DNPN-50 FSW2-DNPN-60 FSW2-DNPN-80 FSW2-DNPN-100

SPDT SPDT SPDT SPDT SPDT SPDT SPDT SPDT SPDT

4-23/64

DWYER INSTRUMENTS, INC. |

10 (3.05) 15 (4.57) 20 (6.10) 30 (9.14) 40 (12.19) 50 (15.24) 60 (18.29) 80 (24.38) 100 (30.48)

319