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GX-MK30A-P Inductive Proximity Sensor - Equivalent & Substitute Parts
Part Overview
The GX-MK30A-P is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales, designed for non-contact detection in industrial automation applications. This M30 cylindrical threaded sensor operates with PNP-NO output configuration and features a 17.6mm sensing distance. The product is currently classified as obsolete, making identification of compatible substitute parts essential for system maintenance and component procurement.
Substiute Parts
Key Parameters
| Parameter | GX-MK30A-P |
|---|---|
| Sensor Type | Inductive |
| Sensing Distance | 0.693" (17.6mm) |
| Output Type | PNP-NO, 3-Wire |
| Response Frequency | 500Hz |
| Voltage Supply | 12V ~ 24V |
| Operating Temperature | -25°C ~ 70°C |
| Ingress Protection | IP68, IP69K |
| Package / Case | Cylinder, Threaded - M30 |
| Material - Body | Nickel-Plated Brass |
| Termination Style | Cable Leads |
| Product Status | Obsolete |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
Substitution of the GX-MK30A-P is determined by the following critical parameters:
Mandatory Compatibility Criteria:
- Sensor Type: Inductive
- Output Type: PNP-NO, 3-Wire configuration
- Package / Case: Cylinder, Threaded - M30 form factor
- Termination Style: Cable Leads
- Material - Body: Nickel-Plated Brass
Allowable Parameter Variations:
- Sensing Distance: The substitute may exceed the original 17.6mm specification, provided the application does not require the shorter detection range
- Response Frequency: Substitute frequency may be lower than 500Hz if application timing requirements permit
- Voltage Supply: The substitute range (10V ~ 30V) encompasses the original 12V ~ 24V specification
- Operating Temperature: The substitute range (-40°C ~ 85°C) extends beyond the original (-25°C ~ 70°C), providing broader environmental compatibility
- Ingress Protection: The substitute maintains IP69K rating with additional IP67G certification
The GX-330MLK-A-P qualifies as a substitute based on matching core functional parameters while offering extended operational specifications and active product status.
Parameter Comparison
| Parameter | GX-MK30A-P | GX-330MLK-A-P | Compatibility Notes |
|---|---|---|---|
| Sensor Type | Inductive | Inductive | Identical |
| Output Type | PNP-NO, 3-Wire | PNP-NO, 3-Wire | Identical |
| Sensing Distance | 0.693" (17.6mm) | 0.945" (24mm) | Substitute has extended range |
| Response Frequency | 500Hz | 400Hz | Substitute frequency is lower |
| Voltage Supply | 12V ~ 24V | 10V ~ 30V | Substitute range is broader |
| Operating Temperature | -25°C ~ 70°C | -40°C ~ 85°C | Substitute range is extended |
| Ingress Protection | IP68, IP69K | IP67, IP67G, IP69K | Substitute includes additional IP67G |
| Package / Case | Cylinder, Threaded - M30 | Cylinder, Threaded - M30 | Identical |
| Material - Body | Nickel-Plated Brass | Nickel-Plated Brass | Identical |
| Termination Style | Cable Leads | Cable Leads | Identical |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Substitute meets current standard |
Engineering Selection Recommendations
The GX-330MLK-A-P is suitable as a substitute for the obsolete GX-MK30A-P based on the following factors:
Product Status: The GX-330MLK-A-P maintains active product status with current manufacturing support, ensuring long-term availability and supply chain continuity.
Regulatory Compliance: The substitute meets ROHS3 compliance, representing the current regulatory standard and providing assurance of ongoing compliance with environmental directives.
Functional Equivalence: Both sensors share identical core specifications: inductive sensing technology, PNP-NO 3-wire output configuration, M30 threaded cylindrical package, nickel-plated brass construction, and cable lead termination.
Extended Operational Range: The substitute provides broader voltage supply tolerance (10V ~ 30V versus 12V ~ 24V) and extended operating temperature range (-40°C ~ 85°C versus -25°C ~ 70°C), offering greater flexibility in diverse industrial environments.
Application Considerations: The increased sensing distance (24mm versus 17.6mm) and reduced response frequency (400Hz versus 500Hz) must be evaluated against specific application requirements. If the original 17.6mm sensing distance is critical to system operation, alternative substitutes should be considered.
Frequently Asked Questions (FAQ)
Q: Can the GX-330MLK-A-P directly replace the GX-MK30A-P in existing installations?
A: Direct mechanical and electrical replacement is possible due to identical M30 threaded package, cable lead termination, and PNP-NO 3-wire output configuration. However, the increased sensing distance (24mm versus 17.6mm) may affect detection performance in applications requiring the shorter 17.6mm range. System validation is necessary to confirm functional compatibility.
Q: What is the significance of the extended voltage supply range in the substitute?
A: The GX-330MLK-A-P operates across 10V ~ 30V, compared to the original 12V ~ 24V specification. This broader range provides compatibility with a wider variety of industrial power supplies and control systems, reducing potential compatibility issues in retrofit applications.
Q: How do the response frequency differences impact sensor performance?
A: The GX-330MLK-A-P operates at 400Hz versus the original 500Hz. This 100Hz reduction affects the maximum switching speed. Applications requiring detection of rapidly moving objects or high-frequency switching cycles should verify that 400Hz response meets timing requirements.
Q: Are there differences in environmental protection ratings?
A: Both sensors maintain IP69K rating. The GX-330MLK-A-P additionally carries IP67 and IP67G certifications, providing enhanced documentation of environmental protection across multiple standards. Both are suitable for high-pressure wash and submersion environments.
Q: What does ROHS3 compliance mean compared to RoHS Compliant?
A: ROHS3 represents the current iteration of the Restriction of Hazardous Substances directive, incorporating the most recent regulatory requirements. The substitute's ROHS3 compliance ensures alignment with current environmental and safety standards, whereas the original RoHS Compliant designation reflects an earlier regulatory framework.
Q: Is the increased sensing distance a limitation for all applications?
A: The 24mm sensing distance of the GX-330MLK-A-P exceeds the original 17.6mm specification. For applications where detection must occur within the shorter 17.6mm range, this increased distance may result in false triggers or detection of unintended objects. Application-specific validation is required.
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