Request Quote
(Ships tomorrow)
GX-M30A-Z Inductive Proximity Sensor - Equivalent & Substitute Parts
Part Overview
The GX-M30A-Z is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales, designed for non-contact detection in industrial automation applications. This sensor features an 8mm sensing distance, NPN-NO output configuration, and operates across a 12V to 24V supply range. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and component sourcing in legacy installations.
Substiute Parts
Key Parameters
| Parameter | GX-M30A-Z |
|---|---|
| Sensor Type | Inductive |
| Sensing Distance | 0.315" (8mm) |
| Output Type | NPN-NO, 3-Wire |
| Voltage Supply Range | 12V ~ 24V |
| Response Frequency | 1kHz |
| Shielding | Shielded |
| Package / Case | Cylinder, Threaded - M30 |
| Ingress Protection | IP67, IP69K |
| Operating Temperature | -25°C ~ 70°C |
| Material - Body | Nickel-Plated Brass |
| Termination Style | Connector |
| Product Status | Obsolete |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
The GX-330MLK-A-N-Z is identified as a functional substitute for the GX-M30A-Z based on the following substitution criteria:
Common Parameters (Substitution Basis):
- Sensor Type: Both are inductive proximity sensors
- Output Type: Both provide NPN-NO, 3-Wire configuration
- Package / Case: Both use Cylinder, Threaded - M30 form factor
- Ingress Protection: Both meet IP67 and IP69K ratings
- Material - Body: Both feature Nickel-Plated Brass construction
- Termination Style: Both use Connector termination
- Compliance: Both are RoHS compliant
Differing Parameters (Application Considerations):
- Sensing Distance: GX-M30A-Z operates at 8mm; GX-330MLK-A-N-Z operates at 24mm
- Voltage Supply Range: GX-M30A-Z requires 12V ~ 24V; GX-330MLK-A-N-Z accepts 10V ~ 30V
- Response Frequency: GX-M30A-Z operates at 1kHz; GX-330MLK-A-N-Z operates at 400Hz
- Shielding: GX-M30A-Z is shielded; GX-330MLK-A-N-Z is unshielded
- Operating Temperature: GX-M30A-Z range is -25°C ~ 70°C; GX-330MLK-A-N-Z range is -40°C ~ 85°C
- Product Status: GX-M30A-Z is obsolete; GX-330MLK-A-N-Z is active
Parameter Comparison
| Parameter | GX-M30A-Z | GX-330MLK-A-N-Z | Notes |
|---|---|---|---|
| Sensor Type | Inductive | Inductive | Identical |
| Output Type | NPN-NO, 3-Wire | NPN-NO, 3-Wire | Identical |
| Package / Case | Cylinder, Threaded - M30 | Cylinder, Threaded - M30 | Identical mechanical interface |
| Ingress Protection | IP67, IP69K | IP67, IP69K | Identical environmental rating |
| Material - Body | Nickel-Plated Brass | Nickel-Plated Brass | Identical |
| Termination Style | Connector | Connector | Identical |
| Sensing Distance | 0.315" (8mm) | 0.945" (24mm) | Substitute has 3x greater sensing range |
| Voltage Supply Range | 12V ~ 24V | 10V ~ 30V | Substitute has wider voltage tolerance |
| Response Frequency | 1kHz | 400Hz | Original has faster response |
| Shielding | Shielded | Unshielded | Different electromagnetic characteristics |
| Operating Temperature | -25°C ~ 70°C | -40°C ~ 85°C | Substitute has extended temperature range |
| Product Status | Obsolete | Active | Substitute is currently manufactured |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Both meet RoHS requirements |
Engineering Selection Recommendations
The GX-330MLK-A-N-Z serves as an active-production substitute for the obsolete GX-M30A-Z. Both sensors share identical electrical output characteristics (NPN-NO, 3-Wire), mechanical form factor (M30 threaded cylinder), and environmental protection ratings (IP67, IP69K). Both maintain RoHS compliance, with the substitute meeting the more recent ROHS3 standard.
Selection of the GX-330MLK-A-N-Z requires evaluation of application-specific requirements:
Sensing Distance Compatibility: The substitute operates at 24mm versus the original 8mm. Applications requiring detection at the original 8mm distance must confirm that the extended sensing range of the substitute does not create false triggers or interference in the target installation environment.
Response Frequency: The substitute operates at 400Hz compared to the original 1kHz. Applications with high-speed object detection or rapid switching requirements must verify that the reduced response frequency meets cycle-time specifications.
Shielding Configuration: The original GX-M30A-Z is shielded; the substitute GX-330MLK-A-N-Z is unshielded. Installations in electromagnetically noisy environments must assess whether the unshielded design introduces susceptibility to external interference.
Voltage Supply Range: The substitute accepts 10V to 30V, providing broader compatibility than the original 12V to 24V specification. Existing power supplies within the original range remain fully compatible.
Operating Temperature: The substitute extends the operating range to -40°C to 85°C, exceeding the original -25°C to 70°C specification. This provides enhanced capability for extreme-temperature applications.
Frequently Asked Questions (FAQ)
Q: Can the GX-330MLK-A-N-Z directly replace the GX-M30A-Z in an existing installation?
A: Mechanical and electrical interfaces are compatible. The M30 threaded form factor and NPN-NO, 3-Wire output configuration are identical. However, the 24mm sensing distance differs from the original 8mm specification. Physical installation location and detection target positioning must be re-evaluated to ensure the extended sensing range does not cause unintended detections or missed targets.
Q: What is the impact of the reduced response frequency on system performance?
A: The substitute operates at 400Hz versus the original 1kHz. For applications with object detection cycles exceeding 2.5 milliseconds, this difference is negligible. High-speed conveyor systems, rapid sorting applications, or other processes requiring sub-millisecond response times must be evaluated against the substitute's 2.5ms response window.
Q: Does the unshielded design of the substitute affect electromagnetic compatibility?
A: The GX-330MLK-A-N-Z is unshielded, whereas the original GX-M30A-Z is shielded. Installations adjacent to high-frequency switching equipment, variable-frequency drives, or other sources of electromagnetic interference may experience performance degradation. Environmental electromagnetic field strength assessment is recommended before substitution in such installations.
Q: Are both sensors compatible with the same power supply specifications?
A: The original GX-M30A-Z requires 12V to 24V; the substitute GX-330MLK-A-N-Z accepts 10V to 30V. Existing power supplies rated within the original 12V to 24V range are fully compatible with the substitute. The substitute provides additional tolerance margin for voltage fluctuations.
Q: What is the significance of the different RoHS compliance levels?
A: The original GX-M30A-Z meets RoHS Compliant status; the substitute GX-330MLK-A-N-Z meets ROHS3 Compliant status. ROHS3 represents a more recent regulatory iteration with stricter material restrictions. Both sensors meet current environmental compliance requirements for industrial automation applications.
Q: How does the extended operating temperature range of the substitute affect long-term reliability?
A: The substitute GX-330MLK-A-N-Z operates from -40°C to 85°C, compared to the original -25°C to 70°C. The extended range indicates enhanced thermal design and material selection. For applications within the original temperature specification, both sensors provide equivalent reliability. Applications requiring operation below -25°C or above 70°C benefit from the substitute's extended capability.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts

