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GX-MK18A-P-Z Equivalent & Substitute Parts
Part Overview
The GX-MK18A-P-Z is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales. This cylindrical M18-threaded sensor operates with PNP-NO output configuration and provides a sensing distance of 0.378" (9.6mm). The product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and component procurement.
Substiute Parts
Key Parameters
| Parameter | GX-MK18A-P-Z |
|---|---|
| Sensor Type | Inductive |
| Sensing Distance | 0.378" (9.6mm) |
| Output Type | PNP-NO, 3-Wire |
| Voltage Supply | 12V ~ 24V |
| Response Frequency | 1kHz |
| Package / Case | Cylinder, Threaded - M18 |
| Ingress Protection | IP67, IP69K |
| Operating Temperature | -25°C ~ 70°C |
| Material - Body | Nickel-Plated Brass |
| Termination Style | Connector |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
The GX-318MLK-A-P-Z qualifies as a functional substitute based on the following critical parameters:
Matching Parameters:
- Sensor Type: Inductive (identical technology)
- Output Type: PNP-NO, 3-Wire (identical signal configuration)
- Package / Case: Cylinder, Threaded - M18 (identical mechanical form factor)
- Ingress Protection: IP67, IP69K (identical environmental rating)
- Material - Body: Nickel-Plated Brass (identical construction)
- Termination Style: Connector (identical connection method)
Differing Parameters:
- Sensing Distance: 0.504" (12.8mm) versus 0.378" (9.6mm)
- Voltage Supply: 10V ~ 30V versus 12V ~ 24V
- Response Frequency: 600Hz versus 1kHz
- Operating Temperature: -40°C ~ 85°C versus -25°C ~ 70°C
The substitute part maintains mechanical and electrical interface compatibility while offering extended voltage range and operating temperature specifications.
Parameter Comparison
| Parameter | GX-MK18A-P-Z | GX-318MLK-A-P-Z |
|---|---|---|
| Manufacturer | Panasonic Industrial Automation Sales | Panasonic Industrial Automation Sales |
| Sensor Type | Inductive | Inductive |
| Sensing Distance | 0.378" (9.6mm) | 0.504" (12.8mm) |
| Output Type | PNP-NO, 3-Wire | PNP-NO, 3-Wire |
| Response Frequency | 1kHz | 600Hz |
| Voltage Supply | 12V ~ 24V | 10V ~ 30V |
| Operating Temperature | -25°C ~ 70°C | -40°C ~ 85°C |
| Package / Case | Cylinder, Threaded - M18 | Cylinder, Threaded - M18 |
| Ingress Protection | IP67, IP69K | IP67, IP69K |
| Material - Body | Nickel-Plated Brass | Nickel-Plated Brass |
| Termination Style | Connector | Connector |
| RoHS Status | RoHS Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The GX-318MLK-A-P-Z is an active product with current manufacturing status, whereas the GX-MK18A-P-Z is obsolete. Both sensors maintain identical mechanical form factors (M18 threaded cylinder) and electrical interfaces (PNP-NO, 3-Wire connector termination), ensuring direct mechanical and electrical compatibility in system installations.
The substitute part provides enhanced compliance through ROHS3 certification and extended operational specifications. The increased sensing distance (12.8mm versus 9.6mm) and lower response frequency (600Hz versus 1kHz) represent the primary technical differences. The expanded voltage supply range (10V ~ 30V) and wider operating temperature window (-40°C ~ 85°C) offer greater system flexibility.
Selection of the GX-318MLK-A-P-Z is appropriate for applications where the extended sensing distance and lower response frequency are compatible with system requirements.
Frequently Asked Questions (FAQ)
Q: Can the GX-318MLK-A-P-Z directly replace the GX-MK18A-P-Z in existing installations?
A: Mechanical and electrical interfaces are identical. Both sensors use M18 threaded cylinder packaging with connector termination and PNP-NO output configuration. Physical mounting and wiring connections are compatible. Application-specific validation is required to confirm that the increased sensing distance (12.8mm versus 9.6mm) and reduced response frequency (600Hz versus 1kHz) meet system performance requirements.
Q: What are the key differences between these two sensors?
A: The primary differences are sensing distance, response frequency, voltage supply range, and operating temperature range. The GX-318MLK-A-P-Z offers a longer sensing distance, lower response frequency, broader voltage compatibility, and extended temperature operation. Both maintain identical sensor type, output configuration, packaging, and ingress protection ratings.
Q: Is the GX-318MLK-A-P-Z suitable for applications requiring the original 0.378" (9.6mm) sensing distance?
A: The substitute part provides 0.504" (12.8mm) sensing distance. Applications requiring the shorter 9.6mm distance must evaluate whether the increased 12.8mm distance is compatible with target object positioning and system geometry.
Q: What compliance certifications apply to each part?
A: The GX-MK18A-P-Z carries RoHS Compliant certification. The GX-318MLK-A-P-Z carries ROHS3 Compliant certification, representing a more recent compliance standard.
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