Machine Tool, Type G

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.

Fixed Differential ^[1]
NEMA 4, 4X, 13 Enclosure
UL Listed and CSA Certified As Industrial Control Equipment

Range on Decreasing Pressure psig	^[2]Approximate Differential at Mid-Range psig	Maximum Allowable Pressure psig	Single Pole Double Throw	Double Pole Double Throw
Range on Decreasing Pressure psig	^[2]Approximate Differential at Mid-Range psig	Maximum Allowable Pressure psig	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

Adjustable Differential ^[1]
NEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As Industrial Control Equipment

Range on Decreasing Pressure psig	^[2]Adjustable Differential Approximate at Mid-Range	Maximum Allowable Pressure psig	Single Pole Double Throw	Double Pole Double Throw
Range on Decreasing Pressure psig	^[2]Adjustable Differential Approximate at Mid-Range	Maximum Allowable Pressure psig	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

Fixed Differential
NEMA 7 & 9 Enclosure
Class I & II, Division 1 & 2, Groups C, D, E, F, G

Range on Decreasing Pressure psig	^[2]Approximate Differential at Mid-Range psig	Maximum Allowable Pressure psig	Single Pole Double Throw	Double Pole Double Throw
Range on Decreasing Pressure psig	^[2]Approximate Differential at Mid-Range psig	Maximum Allowable Pressure psig	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 Electrical Ratings Temperature Rating: see Electrical Ratings Modifications: see Factory Modifications and Accessories Accessories: see Factory Modifications and Accessories Renewal Parts Kits: see Renewal Parts for Class 9012–9038 Devices Dimensions: see Dimensions

Adjustable Differential
NEMA 7 & 9 Enclosure
Class I & II, Division 1 & 2, Groups C, D, E, F, G

Range on Decreasing Pressure psig	^[2]Adjustable Differential Approximate at Mid-Range	Maximum Allowable Pressure psig	Single Pole Double Throw	Double Pole Double Throw
Range on Decreasing Pressure psig	^[2]Adjustable Differential Approximate at Mid-Range	Maximum Allowable Pressure psig	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

Differential/Dual Stage, Type G

Differential-Pressure Operation


9012GGW1

Pressure switches for differential-pressure operation monitor the change in the difference between two pressures. Type G differential-pressure switches are used in applications to signal that a predetermined pressure difference has been reached as a result of a widening or increasing difference between the two pressures. They can also signal that a predetermined pressure difference has been reached as a result of a narrowing or decreasing difference between the two pressures.

Differential-Pressure Switches
NEMA 4, 4X, 13 Enclosures
UL Listed and CSA Certified As Industrial Control Equipment ^[3]

Working Pressure Range on Decreasing X (upper) Actuator	Adjustable Difference on Decreasing Pressure (adds to working pressure) Y (lower) Actuator	Adjustable Differential Actuates on Increasing Pressure (adds to adjustable difference)	Maximum Allowable Pressure psi	Single Pole Double Throw	Double Pole Double Throw
Working Pressure Range on Decreasing X (upper) Actuator			Maximum Allowable Pressure psi	Cat. No.	Cat. No.
Diaphragm Actuated—Nitrile (Buna-N) Diaphragm, Zinc Plated Steel Housing
0–75	0.25–10	0.8–2	100	GGW1	GGW21
0–175	0.5–36	5–15	240	GGW4	GGW24
0–500	3–175	22–90	850	GHW1	GHW21
Piston Actuated—#440 Stainless Steel Piston. #303 Stainless Steel Housing, Viton^® Fluorocarbon Diaphragm and O-ring, Teflon^® Retaining Ring
0–5000	15–825	80–200	7500	GJW1	GJW21

Dual-Stage Operation

Type G dual stage pressure switches are designed for use in applications where two separate pressure operations must be controlled by a single pressure monitoring device. These controls are most commonly used where dual functions are required or in sequencing applications such as alarm, followed by shutdown.

Dual-Stage Pressure Switch
NEMA 4, 4X, 13 Enclosure
UL Listed and CSA Certified As Industrial Control Equipment ^[3]

	Range Setting Limits of Pressure Between Which Stage 1 Can Be Adjusted to Operate on Decreasing Pressure	Add Adjustable Spread to Range Setting to Obtain Decreasing Operating Point of Stage 2	Fixed Differential—Add to Low (Decreasing) Operating Point to Obtain Approximate High (Rising) Operating Point of Each Stage		Maximum Allowable Pressure psi	SPDT Each Stage
			Stage 1	Stage 2	Maximum Allowable Pressure psi	Catalog No.
	Diaphragm Actuated—Nitrile (Buna-N) Diaphragm, Zinc Plated Steel Housing
9012GKW1	.2–10	1–5	1.0 ±0.2	1.5 ±0.4	100	9012GKW1
	1–40	4–20	4.0 ±1.0	6.0 ±1.5	100	9012GKW2
	1.5–75	6–30	5.0 ±1.5	8.0 ±2.0	240	9012GKW4
	3–150	12–75	8.0 ±2.0	12 ±3	475	9012GKW5
	5–250	22–110	14 ±3	21 ±5	750	9012GKW6
	13–425	40–180	20 ±4	30 ±7.5	850	9012GLW1
	20–675	45–250	30 ±6	45 ±11	2000	9012GLW2
	Piston Actuated—#400 Stainless Steel Piston. #300 Stainless Steel Housing, Viton^® Fluorocarbon Diaphragm and O-ring, Teflon^® Retaining Ring
	20–1000	50–300	50 ±10	75 ±19	10000	9012GMW1
	90–2900	140–800	140 ±30	210 ±52	15000	9012GMW2
	170–5600	300–1700	275 ±60	400 ±100	20000	9012GMW3
	270–9000	500–2500	400 ±80	800 ±150	25000	9012GMW4

Ordering Dual-Stage Pressure Switches
1.	Specify Class 9012 Type..., and indicate the high or low operating point for each stage within the limits shown in the above table.
	Example:
		Class 9012 Type GKW4
		Set:	Stage 1 at 30 psi decreasing pressure
			Stage 2 at 50 psi decreasing pressure
			(20 psi spread)
	Differential of each stage will be approximately as shown in the table above.

2.	For available modifications see Factory Modifications and Accessories. If one or more of these modifications are desired, add the appropriate Form to the Class and Type. Arrange form letters in alphabetical order when ordering more than one modification.
Acceptable Wire Sizes 12-22 AWG Recommended Terminal Clamp Torque 7 lb-in Electrical Rating Electrical Ratings Temperature Rating Electrical Ratings Modifications Factory Modifications and Accessories Accessories Factory Modifications and Accessories Renewal Parts Kits Renewal Parts for Class 9012–9038 Devices Dimensions Dimensions


File E12158	CCN NKPZ	File LR25490	Class 3211-03
File E12158	CCN NTHT - Marine Use

Section 22: Pressure, Vacuum, and Float Switches

Section 22: Pressure, Vacuum, and Float Switches

Machine Tool, Type G

Class 9012 / Refer to Catalog 9012CT9701

Control Circuit Rated Type G Pressure Switches

Fixed Differential ^[1]
NEMA 4, 4X, 13 Enclosure
UL Listed and CSA Certified As Industrial Control Equipment

Adjustable Differential ^[1]
NEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As Industrial Control Equipment

Fixed Differential
NEMA 7 & 9 Enclosure
Class I & II, Division 1 & 2, Groups C, D, E, F, G

Adjustable Differential
NEMA 7 & 9 Enclosure
Class I & II, Division 1 & 2, Groups C, D, E, F, G

Differential/Dual Stage, Type G

Differential-Pressure Operation

Differential-Pressure Switches
NEMA 4, 4X, 13 Enclosures
UL Listed and CSA Certified As Industrial Control Equipment ^[3]

Dual-Stage Operation

Dual-Stage Pressure Switch
NEMA 4, 4X, 13 Enclosure
UL Listed and CSA Certified As Industrial Control Equipment ^[3]

Footnotes

Section 22: Pressure, Vacuum, and Float Switches

Section 22: Pressure, Vacuum, and Float Switches

Machine Tool, Type G

Class 9012 / Refer to Catalog 9012CT9701

Control Circuit Rated Type G Pressure Switches

Fixed Differential [1]NEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As Industrial Control Equipment

Adjustable Differential [1]NEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As Industrial Control Equipment

Fixed DifferentialNEMA 7 & 9 EnclosureClass I & II, Division 1 & 2, Groups C, D, E, F, G

Adjustable DifferentialNEMA 7 & 9 EnclosureClass I & II, Division 1 & 2, Groups C, D, E, F, G

Differential/Dual Stage, Type G

Differential-Pressure Operation

Differential-Pressure SwitchesNEMA 4, 4X, 13 EnclosuresUL Listed and CSA Certified As Industrial Control Equipment [3]

Dual-Stage Operation

Dual-Stage Pressure SwitchNEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As Industrial Control Equipment [3]

Footnotes

Fixed Differential ^[1]
NEMA 4, 4X, 13 Enclosure
UL Listed and CSA Certified As Industrial Control Equipment

Adjustable Differential ^[1]
NEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As Industrial Control Equipment

Fixed Differential
NEMA 7 & 9 Enclosure
Class I & II, Division 1 & 2, Groups C, D, E, F, G

Adjustable Differential
NEMA 7 & 9 Enclosure
Class I & II, Division 1 & 2, Groups C, D, E, F, G

Differential-Pressure Switches
NEMA 4, 4X, 13 Enclosures
UL Listed and CSA Certified As Industrial Control Equipment ^[3]

Dual-Stage Pressure Switch
NEMA 4, 4X, 13 Enclosure
UL Listed and CSA Certified As Industrial Control Equipment ^[3]