AMC 2026 catalogue

Electrical

Pressure Switches

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ELECTRICAL

Pumptrol® Adjustable Differential Air Compressor and Water Pump Pressure Switch

▪10A @ 575VAC ▪(1) port, 1⁄4" FNPS port type ▪Rated NEMA 1 ▪-22° to 257° F temp. range ▪Actuated diaphragm ▪Standard action contacts designed to open

with rising pressure and rising action contacts designed to open with falling pressure

Pressure Switch Unloader Manual Switch Action HP @ 1-Phase - 120 V HP @ 1 Phase - 240 V

Pressure Switch Factory On/Off Setting

Item

No. No None 2 hp 3 hp 60/80 psi GUS2FH17

SQUARE D

Air Compressor Pressure Switches Designed for use with air compressors. Feature actuation-type diaphragms. NEMA 1 ratings and -22° to -257° F temp. range.

MDR11

▪4 kW/4 HP switching capacity, 11

bar/160 psi max. cut-out pressure ▪DPST contact form ▪UL listed and CSA Certified

MDR3 AND MDR3/OL

▪7.5 (11) kW switching capacity,

35 bar max. cut-out pressure ▪3PST contact form ▪UL Listed, CSA and CE Certified

WWG3FWP9 WWG3FWF6 WWG3EYP6

Pressure Switch Unloader Manual Switch Action HP @ 1-Phase - 120 V HP @ 1 Phase - 240 V

Pressure Switch Factory On/Off Setting Pressure Switch Range

Pressure Switch Differential

Item

No. MDR11 (1) Port, 1⁄4 in FNPT

1⁄4 in Compression Auto/Off 2 hp 3 hp 100/125 psi 25 to 160 psi 25 to 65 psi WWG3EYP6 1⁄4 in Compression Auto/Off 2 hp 3 hp 140/175 psi 40 to 175 psi 30 to 65 psi WWG3EYU6 1⁄4 in Compression Auto/Off 2 hp 3 hp 120/150 psi 25 to 160 psi 25 to 65 psi WWG3EYT4 (4) Port, 1⁄4 in FNPT

1⁄4 in Compression Auto/Off 2 hp 3 hp 100/125 psi 25 to 160 psi 25 to 65 psi WWG3EYR1 1⁄4 in Compression Auto/Off 2 hp 3 hp 105/135 psi 25 to 160 psi 25 to 65 psi WWG3EYR9 1⁄4 in Compression Auto/Off 2 hp 3 hp 120/150 psi 25 to 160 psi 25 to 65 psi WWG3EYT8 1⁄4 in Compression Auto/Off 2 hp 3 hp 140/175 psi 40 to 175 psi 30 to 65 psi WWG3FWC4 MDR3 (1) Port, 3⁄8 in FNPT

1⁄4 in Compression Auto/Off 2 hp 5 hp 100/125 psi 45 to 160 psi 15 to 70 psi WWG3FWF6 1⁄4 in Compression Auto/Off 2 hp 5 hp 120/150 psi 45 to 160 psi 15 to 70 psi WWG3FWG3 1⁄4 in Compression Auto/Off 2 hp 5 hp 140/175 psi 60 to 232 psi 30 to 110 psi WWG3FWG9 (4) Port, (1) 3⁄8 in FNPT, (3) 1⁄4 in FNPT

1⁄4 in Compression Auto/Off 2 hp 5 hp 100/125 psi 45 to 160 psi 15 to 70 psi WWG3FWF9 1⁄4 in Compression Auto/Off 2 hp 5 hp 120/150 psi 45 to 160 psi 15 to 70 psi WWG3FWG6 1⁄4 in Compression Auto/Off 2 hp 5 hp 140/175 psi 60 to 232 psi 30 to 110 psi WWG3FWH3 MDR3/OL (4) Port, (1) 3⁄8 in FNPT, (3) 1⁄4 in FNPT

1⁄4 in Compression Auto/Off/Reset 2 5 215/250 psi 40 to 360 psi 40 to 105 psi WWG3FWP9

CONDOR USA, INC

Piston Pressure Switch

▪1⁄4-18" FNPT ▪10A @ 480VAC ▪.22A @ 125VDC, .11A @ 250VDC ▪Durable, low mass components remain

stable and perform well under heavy duty vibration and shock conditions ▪Internal or external range adjustment ▪No drain line required ▪Dual numerical range scale (psi and kPa) ▪Adjustable or fixed differential ▪Single-stage, dual-stage, or

differential-pressure operation Designed for industrial applications. Used to inferface pneumatics or hydraulics with electrical control systems by opening or closing contacts in response to pressure changes. UL Listed and CSA Certified.

Range Differential Actuation Type NEMA Rating

Contact

Form

Item

No. 90 to 2,900 psi 170 to 560 psi Piston 4, 4X, 13 SPDT SQD9012GCW2

TELEMECANIQUE SENSORS

Pressure Switches

▪Extended-duty ▪1⁄8-27" MNPT Port ▪Direct blade differential ▪Glass-reinforced polyester enclosure ▪Screw terminal connection ▪Kapton diaphragm for compatibility

with a wide variety of fluids ▪Various terminations including a metri-

pack connector that forms a tight seal ▪Durable and compact with

enhanced set point integrity ▪Factory-set but field-adjustment capable

WWG23Z327

Range

Factory On/

Off Setting Contact Form NEMA Rating

Item

No. 1.1 to 3 psi ( ±0.5) 1.5/3 psi SPST-NO Not Rated WWG23Z327

8 to 13 psi ( ±2) 10 psi SPST-NO Not Rated WWG23Z343 14 to 24 psi ( ±3) 15/24 psi SPDT-NO/NC Not Rated WWG23Z341 51 to 90 psi ( ±7) 60 psi SPDT-NO/NC Not Rated WWG23Z342

HONEYWELL

▪Corrosion- and rust-resistant, environmentally

friendly, RoHS-compliant Chromate 3 plating ▪Includes protective black plastic hole plug Designed to control electrically driven air compressors and pumps. UL Listed and CSA Certified.