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GX-M12A-Z Equivalent & Substitute Parts
Part Overview
The GX-M12A-Z is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales, designed for non-contact detection applications with a sensing distance of 1.6mm. This cylindrical, threaded M12 sensor features NPN-NO output configuration and operates across a 12V to 24V supply range. The product is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system maintenance and new installations.
Substiute Parts
Key Parameters
| Parameter | GX-M12A-Z |
|---|---|
| Sensor Type | Inductive |
| Sensing Distance | 0.063" (1.6mm) |
| Output Type | NPN-NO, 3-Wire |
| Response Frequency | 5kHz |
| Shielding | Shielded |
| Material - Body | Nickel-Plated Brass |
| Voltage - Supply | 12V ~ 24V |
| Termination Style | Connector |
| Operating Temperature | -25°C ~ 70°C |
| Ingress Protection | IP67, IP69K |
| Indicator | LED |
| Package / Case | Cylinder, Threaded - M12 |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
The GX-312M-A-N-Z qualifies as a direct substitute for the GX-M12A-Z based on the following critical parameters:
Matching Core Specifications:
- Sensor Type: Inductive (identical detection principle)
- Sensing Distance: 0.063" (1.6mm) (identical detection range)
- Output Type: NPN-NO, 3-Wire (identical signal configuration)
- Shielding: Shielded (identical electromagnetic interference protection)
- Material - Body: Nickel-Plated Brass (identical material composition)
- Termination Style: Connector (identical connection method)
- Package / Case: Cylinder, Threaded - M12 (identical mechanical form factor)
- Ingress Protection: IP67, IP69K (identical environmental sealing)
- Indicator: LED (identical status indication)
- RoHS Status: RoHS Compliant (identical regulatory compliance)
The GX-312M-A-N-Z represents an active product from the GX-300 series, providing continued availability and support for applications previously served by the obsolete GX-M12A-Z.
Parameter Comparison
| Parameter | GX-M12A-Z | GX-312M-A-N-Z | Compatibility Note |
|---|---|---|---|
| Sensor Type | Inductive | Inductive | Identical |
| Sensing Distance | 0.063" (1.6mm) | 0.063" (1.6mm) | Identical |
| Output Type | NPN-NO, 3-Wire | NPN-NO, 3-Wire | Identical |
| Response Frequency | 5kHz | 1.5kHz | GX-312M-A-N-Z operates at lower frequency |
| Shielding | Shielded | Shielded | Identical |
| Material - Body | Nickel-Plated Brass | Nickel-Plated Brass | Identical |
| Voltage - Supply | 12V ~ 24V | 10V ~ 30V | GX-312M-A-N-Z accepts wider voltage range |
| Termination Style | Connector | Connector | Identical |
| Operating Temperature | -25°C ~ 70°C | -40°C ~ 85°C (TA) | GX-312M-A-N-Z supports extended temperature range |
| Ingress Protection | IP67, IP69K | IP67, IP67G, IP69K | GX-312M-A-N-Z includes additional IP67G rating |
| Indicator | LED | LED | Identical |
| Package / Case | Cylinder, Threaded - M12 | Cylinder, Threaded - M12 | Identical |
| RoHS Status | RoHS Compliant | RoHS Compliant | Identical |
Engineering Selection Recommendations
The GX-312M-A-N-Z is the designated substitute for the obsolete GX-M12A-Z. Both sensors maintain identical core functional parameters across sensor type, sensing distance, output configuration, mechanical form factor, and environmental protection ratings. The GX-312M-A-N-Z is classified as an active product, ensuring ongoing availability and manufacturer support.
The GX-312M-A-N-Z provides operational advantages including an expanded supply voltage range (10V ~ 30V versus 12V ~ 24V) and an extended operating temperature range (-40°C ~ 85°C versus -25°C ~ 70°C). The response frequency difference (1.5kHz versus 5kHz) reflects design optimization in the newer GX-300 series and does not affect substitution validity for standard inductive proximity sensing applications.
Both components maintain RoHS compliance and identical regulatory certifications (ECCN: EAR99; HTSUS: 8543.70.9860).
Frequently Asked Questions (FAQ)
Q: Can the GX-312M-A-N-Z directly replace the GX-M12A-Z in existing installations?
A: Yes. Both sensors share identical sensing distance (1.6mm), output type (NPN-NO, 3-Wire), mechanical package (M12 threaded cylinder), and environmental protection ratings (IP67, IP69K). The M12 connector interface ensures mechanical and electrical compatibility.
Q: What is the significance of the response frequency difference between these sensors?
A: The GX-M12A-Z operates at 5kHz while the GX-312M-A-N-Z operates at 1.5kHz. Response frequency defines the maximum switching speed. For applications requiring detection of rapidly moving objects, the original 5kHz specification should be verified against actual application requirements. Standard inductive proximity sensing applications typically operate well within the 1.5kHz capability of the substitute part.
Q: Does the expanded voltage range of the GX-312M-A-N-Z affect compatibility?
A: No. The GX-312M-A-N-Z accepts 10V ~ 30V, which encompasses the original 12V ~ 24V operating range. Systems powered within the original specification will operate identically with the substitute part.
Q: Are there any differences in environmental protection between these sensors?
A: Both sensors provide IP67 and IP69K protection. The GX-312M-A-N-Z additionally carries an IP67G rating. This represents an enhancement in the substitute part and does not affect compatibility.
Q: What is the impact of the extended operating temperature range in the GX-312M-A-N-Z?
A: The GX-312M-A-N-Z operates from -40°C ~ 85°C compared to the original -25°C ~ 70°C. This extended range provides greater flexibility for applications in extreme temperature environments. Systems operating within the original temperature specification will function identically with the substitute part.
Q: Are both sensors RoHS compliant?
A: Yes. Both the GX-M12A-Z and GX-312M-A-N-Z are RoHS compliant and carry identical regulatory classifications (ECCN: EAR99; HTSUS: 8543.70.9860).
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