GX-M8A-Z Inductive Proximity Sensor - Equivalent & Substitute Parts

Part Overview

The GX-M8A-Z is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales, designed for non-contact detection of metallic objects at a sensing distance of 1.5mm. This cylindrical M8-threaded sensor operates with NPN-NO output configuration and is rated for industrial environments with IP67 ingress protection.

The GX-M8A-Z is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain system continuity, ensure procurement availability, and support ongoing maintenance and replacement requirements for existing installations.

Substiute Parts

GX-M8A-Z

Panasonic Industrial Automation SalesIn Stock: 760GX-M8A-Z Datasheet

Current PartRFQ

GX-308M-A-N-J

Panasonic Industrial Automation SalesIn Stock: 979GX-308M-A-N-J Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the GX-M8A-Z is evaluated based on the following critical parameters that define functional compatibility:

Core Compatibility Criteria:

• Sensor Type: Inductive (required match)
• Output Type: NPN-NO, 3-Wire (required match)
• Package / Case: Cylinder, Threaded - M8 (required match)
• Shielding: Shielded (required match)
• Ingress Protection: IP67 minimum (required match)

Allowable Parameter Variations:

• Sensing Distance: Substitute may differ within application tolerance
• Response Frequency: Substitute may differ based on application speed requirements
• Voltage - Supply: Substitute range must encompass or overlap the original operating range
• Operating Temperature: Substitute range should meet or exceed the original range
• Material - Body: May vary (Nickel-Plated Brass to Stainless Steel acceptable)
• Termination Style: May vary (Connector to Cable with Connector acceptable)
• RoHS Status: Substitute must maintain compliance or upgrade to higher standard

The GX-308M-A-N-J meets all core compatibility criteria and is identified as a direct substitute for the obsolete GX-M8A-Z.

Parameter Comparison

Engineering Selection Recommendations

The GX-308M-A-N-J is qualified as a direct substitute for the obsolete GX-M8A-Z based on the following engineering factors:

Product Status & Availability: The GX-M8A-Z is obsolete with no ongoing manufacturing. The GX-308M-A-N-J is active production with 898 units in stock, ensuring procurement continuity.

Compliance & Certifications: Both parts maintain RoHS compliance. The GX-308M-A-N-J achieves ROHS3 compliance, representing an upgrade in environmental and regulatory standards.

Functional Compatibility: Core electrical and mechanical parameters align: identical sensor type, output configuration, M8 threaded package, and shielded design. Both operate within industrial IP67 ingress protection requirements.

Parameter Variations: The GX-308M-A-N-J exhibits a reduced sensing distance (1.2mm versus 1.5mm) and lower response frequency (2kHz versus 5kHz). These variations are acceptable provided the application tolerates the shorter detection range and lower switching speed. The substitute's expanded voltage range (10V ~ 30V) and extended operating temperature (-40°C ~ 85°C) provide operational advantages over the original specification.

Material & Environmental Enhancement: Stainless steel body construction in the substitute offers superior corrosion resistance compared to nickel-plated brass, beneficial for harsh or chemically aggressive environments.

Selection of the GX-308M-A-N-J is recommended for new procurements and replacement applications where the specified parameter variations are compatible with system requirements.

Frequently Asked Questions (FAQ)

Q: Can the GX-308M-A-N-J directly replace the GX-M8A-Z without circuit modifications?

A: Yes, for applications within the specified parameter tolerances. Both sensors share identical output type (NPN-NO, 3-Wire), voltage compatibility (10V ~ 30V range encompasses 12V ~ 24V), and M8 threaded mechanical interface. Verify that the application tolerates the reduced sensing distance (1.2mm versus 1.5mm) and lower response frequency (2kHz versus 5kHz).

Q: What is the primary difference in sensing distance between these two sensors?

A: The GX-M8A-Z provides 1.5mm sensing distance, while the GX-308M-A-N-J provides 1.2mm. The substitute detects metallic objects at a shorter range. Confirm that your application's target object positioning accommodates this 0.3mm reduction in detection distance.

Q: Does the GX-308M-A-N-J meet the same environmental protection standards?

A: The GX-308M-A-N-J exceeds the original specification. It is rated IP67, IP67G, and IP69K, compared to the GX-M8A-Z IP67 rating. This provides enhanced protection in high-pressure wash and submersion environments.

Q: What is the difference in termination style between these sensors?

A: The GX-M8A-Z uses a connector termination, while the GX-308M-A-N-J includes a cable with connector. The substitute's integrated cable may simplify installation in some applications but requires verification of cable length and routing compatibility with your system design.

Q: Are both sensors RoHS compliant?

A: Yes. The GX-M8A-Z is RoHS Compliant, and the GX-308M-A-N-J is ROHS3 Compliant. The substitute meets a higher environmental compliance standard.

Q: What is the response frequency difference, and does it matter for my application?

A: The GX-M8A-Z operates at 5kHz response frequency, while the GX-308M-A-N-J operates at 2kHz. Response frequency determines the maximum switching speed. If your application requires detection of rapidly moving objects or high-speed switching cycles, verify that 2kHz meets your timing requirements.

Q: Can the GX-308M-A-N-J operate in the same temperature range as the GX-M8A-Z?

A: Yes. The GX-M8A-Z operates -25°C ~ 70°C, while the GX-308M-A-N-J operates -40°C ~ 85°C. The substitute supports the original temperature range and extends operation to lower and higher extremes, providing greater environmental flexibility.