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GX-M SERIES (Discontinued Products)

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  • Discontinued Products

  • Specifications

  • Dimensions

  • Circuit/ Wiring

  • Cautions For Use

Ⅾiscontinued

Last time buy (JST)

September 30, 2022

We are sorry, the products have been discontinued. 
Please refer to the details of the discontinued products and the recommended substitutes list below.

------------------------------ Tab1 showing ------------------------------

Discontinued Products

------------------------------ Tab2 showing ------------------------------

Specifications

DC 3-wire type

TypeShielded type
Model No.Normally openGX-M8A□GX-M12A□GX-18A□GX-M30A□
Normally closedGX-M8B□GX-M12B□GX-18B□GX-M30B□
CE marking directive complianceEMC Directive, RoHS Directive
Max. operation distance
(Note 2,3)		1.5 mm 0.06 in ±10 %2 mm 0.08 in ±10 %5 mm 0.20 in ±10 %10 mm 0.39 in ±10 %
Stable sensing range
(Note 2,3)		0 to 1.2 mm
0 to 0.05 in		0 to 1.6 mm
0 to 0.06 in		0 to 4 mm
0 to 0.16 in		0 to 8 mm
0 to 0.32 in
Standard sensing objectIron sheet 8 x 8 x t 1 mm
0.32 x 0.32 x t 0.04 in		Iron sheet 12 x 12 x t 1 mm
0.47 x 0.47 x t 0.04 in		Iron sheet 18 x 18 x t 1 mm
0.71 x 0.71 x t 0.04 in		Iron sheet 30 x 30 x t 1 mm
1.18 x 1.18 x t 0.04 in
Hysteresis (Note 2)15 % or less of operation distance (with standard sensing object)
Repeatability (Note 2)Along sensing axis: 5 % or less of operation distance
Supply voltage12 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption10 mA or less
Output<NPN output type>
NPN open-collector transistor
• Maximum sink current 200 mA
• Applied voltage: 24 V DC or less (between output and 0 V)
• Residual voltage 2 V or less
<PNP output type>
PNP open-collector transistor
• Maximum source current 200 mA
• Applied voltage: 24 V DC or less (between output and + V)
• Residual voltage 2 V or less
 Utilization categoryDC-12 or DC-13
Short-circuit protectionIncorporated
Max. response frequency5 kHz5 kHz2 kHz1 kHz
Operation indicatorYellow LED (lights up when the output is ON)
Pollution degree3 (industrial enviroment)
ProtectionIP67 (IEC)IP69K (DIN), IP68 (IEC) (2 m cable length type only),
IP67 (IEC) (M12 plug-in connector type only)
Ambient temperature–25 to +70 ℃ –13 to +158 ℉, Storage: –40 to +85 ℃ –40 to +185 ℉
Ambient humidity50 % RH or less (at +70 ℃ +158 ℉)
Voltage withstandability500 V AC for one min. between all supply terminals connected together and enclosure
Vibration resistance10 to 55 Hz frequency, 0.5 mm 0.02 in double amplitude in X, Y and Z directions for 1.5 hours each
Shock resistance294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Sensing range variation
(Note 2)		Within ±10 % fluctuation of sensing range at +23 ℃ +73 ℉ and rated voltage in the range of allowable temperature and supply voltage
MaterialEnclosure: Brass (Nickel plated), Sensing part: PPS
Cable
(except for M12 plug-in connector type)		0.44 mm2 (0.15 mm2 for GX-M8□) 3-core cabtyre cable, 2 m 6.56 ft long
Cable extensionExtension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable.
Net weight
(Note 4)		2 m cable length type40 g approx.70 g approx.90 g approx.150 g approx.
M12 plug-in connector type15 g approx.20 g approx.45 g approx.110 g approx.
AccessoriesNut: 2 pcs.
TypeNon-shielded type
Model No.Normally openGX-MK12A□GX-MK18A□GX-MK30A□
Normally closedGX-MK12B□GX-MK18B□GX-MK30B□
CE marking directive complianceEMC Directive, RoHS Directive
Max. operation distance
(Note 2,3)		7 mm 0.28 in ±10 %12 mm 0.47 in ±10 %22 mm 0.87 in ±10 %
Stable sensing range
(Note 2,3)		0 to 5.6 mm
0 to 0.22 in		0 to 9.6 mm
0 to 0.38 in		0 to 17.6 mm
0 to 0.69 in
Standard sensing objectIron sheet 24 x 24 x t 1 mm
0.94 x 0.94 x t 0.04 in		Iron sheet 24 x 24 x t 1 mm
0.94 x 0.94 x t 0.04 in		Iron sheet 45 x 45 x t 1 mm
1.77 x 1.77 x t 0.04 in
Hysteresis (Note 2)15 % or less of operation distance (with standard sensing object)
Repeatability (Note 2)Along sensing axis: 5 % or less of operation distance
Supply voltage12 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption10 mA or less
Output<NPN output type>
NPN open-collector transistor
• Maximum sink current 200 mA
• Applied voltage: 24 V DC or less (between output and 0 V)
• Residual voltage 2 V or less
<PNP output type>
PNP open-collector transistor
• Maximum source current 200 mA
• Applied voltage: 24 V DC or less (between output and + V)
• Residual voltage 2 V or less
 Utilization categoryDC-12 or DC-13
Short-circuit protectionIncorporated
Max. response frequency2.5 kHz1 kHz0.5 kHz
Operation indicatorYellow LED (lights up when the output is ON)
Pollution degree3 (industrial enviroment)
ProtectionIP69K (DIN), IP68 (IEC) (2 m cable length type only),
IP67 (IEC) (M12 plug-in connector type only)
Ambient temperature–25 to +70 ℃ –13 to +158 ℉, Storage: –40 to +85 ℃ –40 to +185 ℉
Ambient humidity50 % RH or less (at +70 ℃ +158 ℉)
Voltage withstandability500 V AC for one min. between all supply terminals connected together and enclosure
Vibration resistance10 to 55 Hz frequency, 0.5 mm 0.02 in double amplitude in X, Y and Z directions for 1.5 hours each
Shock resistance294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Sensing range variation
(Note 2)		Within ±10 % fluctuation of sensing range at +23 ℃ +73 ℉ and rated voltage in the range of allowable temperature and supply voltage
MaterialEnclosure: Brass (Nickel plated), Sensing part: PPS
Cable
(except for M12 plug-in connector type)		0.44 mm2 (0.15 mm2 for GX-M8□) 3-core cabtyre cable, 2 m 6.56 ft long
Cable extensionExtension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable.
Net weight
(Note 4)		2 m cable length type75 g approx.100 g approx.180 g approx.
M12 plug-in connector type25 g approx.55 g approx.140 g approx.
AccessoriesNut: 2 pcs.

Notes:
1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +23 ℃ +73.4 ℉.
2) It is the value in state where the circumference of a detection side has a metal object.
3) The maximum operation distance stands for the maximum distance for which the sensor can detect the standard sensing object.
The stable sensing range stands for the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation.
4)The weight includes the weight of two nuts.

DC 2-wire type

TypeStandard type
Model No.Normally openGX-M8A-U(-J)GX-M12A-U(-Z)GX-M18A-U(-Z)GX-M30A-U(-Z)
Normally closedGX-M8B-U(-J)GX-M12B-U(-Z)GX-M18B-U(-Z)GX-M30B-U(-Z)
CE marking directive complianceEMC Directive, RoHS Directive
Max. operation distance
(Note 2,3)		1.5 mm 0.06 in ±10 %2 mm 0.08 in ±10 %5 mm 0.20 in ±10 %10 mm 0.39 in ±10 %
Stable sensing range
(Note 2,3)		0 to 1.2 mm
0 to 0.05 in		0 to 1.6 mm
0 to 0.06 in		0 to 4 mm
0 to 0.09 in		0 to 8 mm
0 to 0.22 in
Standard sensing objectIron sheet 8 x 8 x t 1 mm
0.32 x 0.32 x t 0.04 in		Iron sheet 12 x 12 x t 1 mm
0.47 x 0.47 x t 0.04 in		Iron sheet 18 x 18 x t 1 mm
0.71 x 0.71 x t 0.04 in		Iron sheet 30 x 30 x t 1 mm
1.18 x 1.18 x t 0.04 in
Hysteresis (Note 2)15 % or less of operation distance (with standard sensing object)
Repeatability (Note 2)Along sensing axis: 5 % or less of operation distance
Supply voltage12 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption (Note 4)0.5 mA or less
OutputNon-contact DC 2-wire type
• Load current: 1.5 to 100 mA
• Residual voltage: 4.2 V or less (Note 5)
 Utilization categoryDC-12 or DC-13
Short-circuit protectionIncorporated
Max. response frequency1 kHz1 kHz1.2 kHz1.3 kHz
Operation indicatorYellow LED (lights up when the output is ON)
Pollution degree3 (industrial enviroment)
ProtectionIP67 (IEC)IP69K (DIN), IP68 (IEC) (2 m cable length type only) , IP67 (IEC) (M12 plug-in connector type only)
Ambient temperature–25 to +70 ℃ –13 to +158 ℉, Storage: –40 to +85 ℃ –40 to +185 ℉
Ambient humidity50 % RH or less (at +70 ℃ +158 ℉)
Voltage withstandability500 V AC for one min. between all supply terminals connected together and enclosure
Vibration resistance10 to 55 Hz frequency, 0.5 mm 0.02 in double amplitude in X, Y and Z directions for 1.5 hours each
Shock resistance294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Sensing range variation
(Note 2)		Within ±10 % fluctuation of sensing range at +23 ℃ +73 ℉ and rated voltage in the range of allowable temperature and supply voltage
MaterialEnclosure: Brass (Nickel plated), Sensing part: PPS
Cable
(except for M12 plug-in connector type)		0.44 mm2 [0.15 mm2 for GX-M(L)8□-U] 2-core cabtyre cable, 2 m 6.56 ft long
Cable extensionExtension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable.
Net weight
(Note 6)		2 m cable length type40 g approx.70 g approx.90 g approx.150 g approx.
M12 pigtailed(-J type) /
M12 plug-in connector type		20 g approx.20 g approx.45 g approx.110 g approx.
AccessoriesNut: 2 pcs.
TypeLong range type
Model No.Normally openGX-ML8A-U(-J)GX-ML12A-U(-Z)GX-ML18A-U(-Z)GX-ML30A-U(-Z)
Normally closedGX-ML8B-U(-J)GX-ML12B-U(-Z)GX-ML18B-U(-Z)GX-ML30B-U(-Z)
CE marking directive complianceEMC Directive, RoHS Directive
Max. operation distance
(Note 2,3)		2.5 mm 0.10 in ±10 %4 mm 0.16 in ±10 %8 mm 0.32 in ±10 %15 mm 0.59 in ±10 %
Stable sensing range
(Note 2,3)		0 to 2 mm
0 to 0.08 in		0 to 3.2 mm
0 to 0.13 in		0 to 6.4 mm
0 to 0.25 in		0 to 12 mm
0 to 0.47 in
Standard sensing objectIron sheet 8 x 8 x t 1 mm
0.32 x 0.32 x t 0.04 in		Iron sheet 12 x 12 x t 1 mm
0.47 x 0.47 x t 0.04 in		Iron sheet 18 x 18 x t 1 mm
0.71 x 0.71 x t 0.04 in		Iron sheet 30 x 30 x t 1 mm
1.18 x 1.18 x t 0.04 in
Hysteresis (Note 2)15 % or less of operation distance (with standard sensing object)
Repeatability (Note 2)Along sensing axis: 5 % or less of operation distance
Supply voltage12 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption (Note 4)0.5 mA or less
OutputNon-contact DC 2-wire type
• Load current: 1.5 to 100 mA
• Residual voltage: 4.2 V or less (Note 5)
 Utilization categoryDC-12 or DC-13
Short-circuit protectionIncorporated
Max. response frequency1.1 kHz1.3 kHz1.5 kHz0.8 kHz
Operation indicatorYellow LED (lights up when the output is ON)
Pollution degree3 (industrial enviroment)
ProtectionIP69K (DIN), IP68 (IEC) (2 m cable length type only) , IP67 (IEC) (M12 plug-in connector type only)
Ambient temperature–25 to +70 ℃ –13 to +158 ℉, Storage: –40 to +85 ℃ –40 to +185 ℉
Ambient humidity50 % RH or less (at +70 ℃ +158 ℉)
Voltage withstandability500 V AC for one min. between all supply terminals connected together and enclosure
Vibration resistance10 to 55 Hz frequency, 0.5 mm 0.02 in double amplitude in X, Y and Z directions for 1.5 hours each
Shock resistance294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Sensing range variation
(Note 2)		Within ±10 % fluctuation of sensing range at +23 ℃ +73 ℉ and rated voltage in the range of allowable temperature and supply voltage
MaterialEnclosure: Brass (Nickel plated), Sensing part: PPS
Cable
(except for M12 plug-in connector type)		0.44 mm2 [0.15 mm2 for GX-M(L)8□-U] 2-core cabtyre cable, 2 m 6.56 ft long
Cable extensionExtension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable.
Net weight
(Note 6)		2 m cable length type40 g approx.70 g approx.90 g approx.150 g approx.
M12 pigtailed(-J type) /
M12 plug-in connector type		20 g approx.20 g approx.45 g approx.110 g approx.
AccessoriesNut: 2 pcs.

Notes:
1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +23 ℃ +73.4 ℉.
2) It is the value in state where the circumference of a detection side has a metal object.
3) The maximum operation distance stands for the maximum distance for which the sensor can detect the standard sensing object.
The stable sensing range stands for the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation.
4) It is the leakage current when the output is in the OFF state.
5) When the cable is extended, the residual voltage becomes larger.
6) The weight includes the weight of two nuts.

------------------------------ Tab3 showing ------------------------------

Dimensions

  • Unit: mm in

DC 3-wire type

Shielded type

DC 3-wire type

Sensors2 m cable length type (mm in)M12 plug-in connector type (mm in)
Shielded typeabab
M8GX-M8□33 1.3025 0.9845 1.7724 0.94
M12GX-M12□35 1.3825 0.9850 1.9730 1.18
M18GX-M18□39 1.5428 1.1050 1.9728 1.10
M30GX-M30□43 1.6932 1.2655 2.1732 1.26

Non-shielded type

Non-shielded type

Sensors2 m cable length type (mm in)M12 plug-in connector type (mm in)
Non-shielded typeabCabC
M12GX-MK12□55 2.1742 1.655 0.2066 2.6042 1.655 0.20
M18GX-MK18□60 2.3644 1.738 0.3272 2.8344 1.738 0.32
M30GX-MK30□63 2.4841 1.6113 0.5174 2.9141 1.6113 0.51

DC 2-wire type

Standard type, Long range type

Sensors2 m cable length type (mm in)M12 plug-in connector type (mm in)
(M8 size: M12 pigtailed type)
Standard type
Long range type		abab
M8GX-M(L)8□-U(-J)33 1.3025 0.98-24 0.94
M12GX-M(L)12□-U(-Z)35 1.3825 0.9850 1.9730 1.18
M18GX-M(L)18□-U(-Z)39 1.5428 1.1050 1.9728 1.10
M30GX-M(L)30□-U(-Z)43 1.6932 1.2655 2.1732 1.26

------------------------------ Tab4 showing ------------------------------

I/O Circuit and Wiring diagrams

DC 3-wire type

Wiring diagrams

NPN output type

NPN output type

PNP output type

PNP output type

Connector pin position

M12 connector

M12 connector

•Normally Open
1 : +V
2 : Not connected
3 : 0 V
4 : Output

•Normally Closed
1 : +V
2 : Output
3 : 0 V
4 : Not connected

DC 2-wire type

Wiring diagrams

Wiring diagrams

Connector pin position

M12 connector

M12 connector

•Normally Open
(except for GX-M8□-U-J and GX-ML8□-U-J)
1 : Not connected
2 : Not connected
3 : +V
4 : 0 V

•Normally Closed
1 : +V
2 : 0 V
3 : Not connected
4 : Not connected

•Normally Open
(GX-M8□-U-J and GX-ML8□-U-J only)
1 : +V
2 : Not connected
3 : Not connected
4 : 0 V

------------------------------ Tab5 showing ------------------------------

Cautions For Use

  • Never use this product as a sensing device for personnel protection.
  • In case of using sensing devices for personnel protection, use products which meet laws and standards, such as OSHA, ANSI or IEC etc., for personnel protection applicable in each region or country.

Mounting

  • The tightening torque should be under the value given below.

Mounting

Model No.Tightening torque
 Sensor sizeSensorConnector
(Note)
GX-M□M85 N·m2 N·m
M126 N·m2 N·m
M1815 N·m2 N·m
M3040 N·m2 N·m
GX-M(L)8□-U-JM85 N·m1.5 N·m

Note: Connector is equipped with "-Z" type or "-J" type.

Distance from surrounding metal

  • As metal around the sensor may affect the sensing　performance, pay attention to the following points.

Influence of surrounding metal

  • The surrounding metal will affect the sensing performance.
    Keep the minimum distance specified in the table below.

Influence of surrounding metal

TypeA (mm in)
M8M12M18M30
DC 3-wire shielded type3
0.12		4
0.16		10
0.39		20
0.79
DC 3-wire non-shielded type-21
0.83		36
1.42		66
2.60
DC 2-wire standard type4.5
0.18		6
0.23		15
0.59		30
1.18
DC 2-wire long range type8
0.32		12
0.47		25
0.98		45
1.77

Embedding of the sensor in metal

  • Sensing range may decrease if the sensor is completely embedded in metal. Especially for the non-shielded type, keep the minimum distance specified in the right table.

Embedding of the sensor in metal

Sensor
size		B
(mm in)		C
(mm in)
M1212
0.47		12
0.47
M1818
0.71		18
0.71
M3030
1.18		30
1.18

Note: With the non-shielded type, the sensing range may vary depending on the position of the nuts.

Mutual interference

  • When two or more sensors are installed in parallel or face to face, keep the minimum separation distance specified below to avoid mutual interference.

Face to face mounting

Face to face mounting

Parallel mounting

Parallel mounting

TypeD (mm in)E (mm in)
M8M12M18M30M8M12M18M30
DC 3-wire
shielded type		18
0.71		24
0.94		60
2.36		120
4.72		3
0.12		4
0.16		10
0.39		20
0.77
DC 3-wire
non-shielded type		-84
3.30		144
5.67		264
10.39		-48
1.89		72
2.83		120
4.72
DC 2-wire
standard type		18
0.71		24
0.94		60
2.36		120
4.72		3
0.12		4
0.16		10
0.39		20
0.77
DC 2-wire long
range type		30
1.18		50
1.97		100
3.93		180
7.09		5
0.20		8
0.32		16
0.63		30
1.18

Wiring

  • Make sure that the power supply is off while wiring.
  • Verify that the supply voltage variation is within the rating.
  • Ensure that an isolation transformer is utilized for the DC power supply. If an autotransformer is utilized, the main body or power supply may be damaged.
  • If the used power supply generates a surge, connect a surge absorber to the power supply to absorb the surge.
  • In case noise generating equipment (switching regulator, inverter motor, etc.) is used in the vicinity of this product, connect the frame ground (F.G.) terminal of the equipment to an actual ground.
  • Do not run the wires together with high-voltage lines or power lines or put them in the same raceway. This can cause malfunction due to induction.
  • Damage or burnout may result in case of short circuit of load or miswiring.
  • Make a cable length as short as possible to lessen noise pickup.

Others

  • Our products have been developed / produced for industrial use only.
  • Avoid using a product where there is excessive vapor, dust or corrosive gas, or in a place where it could be exposed directly to water or chemicals.
  • Take care that the sensor does not come in direct contact with water, oil, grease or organic solvents, such as, thinner, etc.
  • Do not use in an environment containing inflammable or explosive gases.
  • Never disassemble or modify the product.

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