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22-17

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Machine Tool, Type G Pressure Switches

Class 9012 / Refer to Catalog 9012CT9701

Control Circuit Rated Type G Pressure Switches

9012GAW5

NEMA 4, 4X, 13

Class 9012 single stage pressure switches are control circuit rated devices used in pneumatic or hydraulic systems on a wide variety of machine

and process applications to protect the equipment and control or monitor the system pressure.

•

Type G machine tool switches are available with NEMA Type 4, 4X, and 13 (IEC IP66) enclosure ratings.

•

The NEMA 7 and 9 devices are UL listed for use in the following hazardous locations: Class I, Divisions 1 and 2, Groups C and D; and Class II,

Divisions 1 and 2, Groups E, F, and G.

•

Enclosure materials are cast aluminum.

•

To ensure repeatability and minimize setting drift, pressure settings should fall within the middle 80 percent of the pressure range.

Table 22.49: Fixed Differential [5]

NEMA 4, 4X, 13 Enclosure

UL Listed and CSA Certified As Industrial Control Equipment

Range on

Decreasing

Pressure

psig

[6]Approximate

Differential at

Mid-Range

psig

Maximum

Allowable

Pressure

psig

Single Pole

Double Throw

Double Pole

Double Throw

Catalog No. Catalog No.

Diaphragm Actuated—Nitrile (Buna-N) Diaphragm, Zinc Plated Steel Housing

.2–10 0.6 ±0.1 100 9012GDW1 9012GDW21

1–40 1.6 ±0.4 100 9012GDW2 9012GDW22

1.5–75 3.0 ±0.5 240 9012GDW4 9012GDW24

3–150 6.0 ±0.8 475 9012GDW5 9012GDW25

5–250 10.0 ±1.5 750 9012GDW6 9012GDW26

13–425 16 ±3.5 850 9012GEW1 9012GEW21

20–675 27 ±5 2000 9012GEW2 9012GEW22

Piston Actuated—#440 Stainless Steel Piston. #303 Stainless Steel Housing,

Viton

Fluorocarbon Diaphragm and O-ring, Teflon

Retaining Ring

20–1000 59 ±9 10000 9012GFW1 9012GFW21

90–2900 170 ±15 15000 9012GFW2 9012GFW22

170–5600 289 ±55 20000 9012GFW3 9012GFW23

270–9000 495 ±70 25000 9012GFW4 9012GFW24

Table 22.50: Adjustable Differential [5]

NEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As

Industrial Control Equipment

Range on

Decreasing

Pressure

psig

[6]Adjustable

Differential

Approximate

at Mid-Range

Maximum

Allowable

Pressure

psig

Single Pole

Double Throw

Double Pole

Double Throw

Catalog No. Catalog No.

Diaphragm Actuated—Nitrile (Buna-N) Diaphragm, Zinc Plated Steel Housing

.2–10 0.6–2 100 9012GAW1 9012GAW21

1–40 1.6–8 100 9012GAW2 9012GAW22

1.5–75 3.5–15 240 9012GAW4 9012GAW24

3–150 6.0–30 475 9012GAW5 9012GAW25

5–250 10.0–49 750 9012GAW6 9012GAW26

13–425 16–90 850 9012GBW1 9012GBW21

20–675 27–130 2000 9012GBW2 9012GBW22

Piston Actuated—#440 Stainless Steel Piston. #303 Stainless Steel Housing,

Viton Fluorocarbon Diaphragm and O-ring, Teflon

Retaining Ring

20–1000 59–200 10000 9012GCW1 9012GCW21

90–2900 170–560 15000 9012GCW2 9012GCW22

170–5600 289–1260 20000 9012GCW3 9012GCW23

270–9000 495–1900 25000 9012GCW4 9012GCW24

Table 22.51: Fixed Differential

NEMA 7 & 9 Enclosure

Class I & II, Division 1 & 2, Groups C, D, E, F, G

Range on

Decreasing

Pressure

psig

[6]Approximate

Differential at

Mid-Range

psig

Maximum

Allowable

Pressure

psig

Single Pole

Double Throw

Double Pole

Double Throw

Catalog No. Catalog No.

Diaphragm Actuated—Nitrile (Buna-N) Diaphragm, Zinc Plated Steel Housing

0.2–10 1.0 ±0.1 100 9012GDR1 —

1–40 2.4 ±0.8 100 9012GDR2 9012GDR22

1.5–75 4.5 ±1 240 9012GDR4 9012GDR24

3–150 9 ±1.5 475 9012GDR5 9012GDR25

5–250 15 ±3 750 9012GDR6 9012GDR26

13–425 25 ±7 850 9012GER1 9012GER21

Piston Actuated—#440 Stainless Steel Piston. #303 Stainless Steel Housing,

Viton Fluorocarbon Diaphragm and O-ring, Teflon

Retaining Ring

20–1000 89 ±18 10000 9012GFR1 9012GFR21

90–2900 255 ±30 15000 9012GFR2 9012GFR22

170–5600 578 ±110 20000 9012GFR3 —

Acceptable Wire Sizes: 12–22 AWG

Recommended Terminal Clamp Torque: 7 lb-in

Electrical Rating: see page 22-19

Temperature Rating: see page 22-19

Modifications: see page 22-21

Accessories: see page 22-21

Renewal Parts Kits: see page 22-34

Dimensions: see page 22-20

Table 22.52: Adjustable Differential

NEMA 7 & 9 Enclosure

Class I & II, Division 1 & 2, Groups C, D, E, F, G

Range on

Decreasing

Pressure

psig

[6]Adjustable

Differential

Approximate

at Mid-Range

Maximum

Allowable

Pressure

psig

Single Pole

Double Throw

Double Pole

Double Throw

Catalog No. Catalog No.

Diaphragm Actuated—Nitrile (Buna-N) Diaphragm, Zinc Plated Steel Housing

0.2–10 1.0–2 100 9012GAR1 9012GAR21

1–40 2.4–8 100 9012GAR2 9012GAR22

1.5–75 4.5–15 240 9012GAR4 9012GAR24

3–150 9–35 475 9012GAR5 9012GAR25

5–250 15–49 750 9012GAR6 9012GAR26

13–425 25–90 850 9012GBR1 9012GBR21

20–675 41–130 2000 9012GBR2 9012GBR22

Piston Actuated—#440 Stainless Steel Piston. #303 Stainless Steel Housing,

Viton Fluorocarbon Diaphragm and O-ring, Teflon

Retaining Ring

20–1000 89–200 10000 9012GCR1 9012GCR21

90–2900 255–560 15000 9012GCR2 —

170–5600 578–1260 20000 9012GCR3 9012GCR23

270–9000 788–1900 25000 9012GCR4 —

File: E12443

Haz. Loc.

CCN NOWT G•R

File:

LR25490

Class 3211-03

G•W, G•O, G•G

Complies with IEC 60957.5.1,

5C8.3.4 when protected with a

Bussmann CCKTK-R-10 fuse.

File: E12158 CCN NKPZ

G•O, G•G, G•W

File:

LR26817

Class 3218-02 G•R

File: E12158 CCN NTHT

Marine Use, G•W

PRESSURE, VACUUM, AND FLOAT

SWITCHES

[5] For metric threads, add M after the W on all types (offered at an additional cost).

To order a Pg13.5 electrical conduit entry and a 1/4”-19 BSP pressure connection, add M12 to the end of the catalog number, as well as adding “M” after “W” for metric threads. For example:

9012GAW1 = 1/2” NPT electrical conduit entry

9012GAWM1 = 20 x 1.5 mm electrical conduit entry

9012GAWM1M12 = Pg13.5 electrical conduit entry and 1/4-19 BSP pressure connection.

[6] The differential adds to the range setting and determines the operating point on rising pressure.